Ultra-thin silicon/electro-optic polymer hybrid waveguide modulators Reviewed International journal

Qiu Feng, Hiromu Sato, Andrew M. Spring, Daisuke Maeda, Masa-aki Ozawa, Keisuke Ozawa, Isao Aoki, Akira Otomo, Shiyoshi Yokoyama

Appl. Phys. Lett.   107   123302-1 - 123302-5   2015.9

Athermal and high-Q hybrid TiO2–Si3N4 ring resonator via an etching-free fabrication technique Reviewed International journal

2   405 - 409   2015.4

A hybrid electro-optic polymer and TiO2 double-slot waveguide modulator Reviewed International journal

Qiu Feng, Andrew M. Spring, Disuke Maeda, Masaaki Ozawa, Keisuke Odoi, Isao Aoki, Akira Otomo, Shiyoshi Yokoyama

Scientific Reports   5   8561-1 - 8561-6   2015.3

An Analysis of the Structural, Thermal and Optical Characteristics as well as the Electrical Resistivity of tert-butyldiphenylsilyl Substi-tuted Poly(norbornene-dicarboximide)s Reviewed International journal

Andrew M. Spring, Daisuke Maeda, Masaaki Ozawa, Keisuke Odoi, Qiu Feng, Kazuhiro Yamamoto, Shiyoshi Yokoyama

Polymer   56   189 - 198   2014.12

Glass Transition Temperature Control by Poly(norbornene-dicarboximide) Copolymers Reviewed International journal

Andrew M. Spring, Daisuke Maeda, Masaaki Ozawa, Keisuke Odoi, Qiu Feng, Kazuhiro Yamamoto, Shiyoshi Yokoyama

Polymer Bulletin   2014.11

A Straightforward Electro-optic Polymer Covered Titanium Dioxide Strip Line Modulator with a Low Driving Voltage Reviewed International journal

QIU FENG, SPRING ANDREW, Daisuke Maeda, Masaaki Ozawa, Keisuke Odoi, Akira Otomo, Shiyoshi Yokoyama

Applied Physics Letters   105   073305-1 - 073305-4   2014.8

TiO2 ring-resonator-based EO polymer modulator Reviewed International journal

Qiu Feng, Andrew M. Spring, D. Maeda, M. Ozawa, K. Odoi, I. Aoki, A. Otomo, Shiyoshi Yokoyama

Optics Express   22   14101 - 14107   2014.6

Electro-optic polymer / titanium dioxide hybrid core ring resonator modulators Reviewed International journal

Qiu Feng, Andrew Spring, Yu Feng, Isao Aoki, Akira Otomo, Shiyoshi Yokoyama

Laser Photoncis Revew   7   84 - 88   2013.11

An Enhanced Host-guest Optical Polymer System using Poly(norbornene-dicarboximide) via ROMP Reviewed

Feng Yu, A. M. Spring, Lu Li, Feng Qiu, Kazuhiro Yamamoto, Daisuke Maeda, Masaaki Ozawa, Keisuke Oodoi, Shiyoshi Yokoyama

J. Polym. Scie. A   51   1278 - 2184   2012.12

Ferroelectric spin-on-film based Mach-Zehnder interferometer modulator for 252 Gbit/s PAM4 transmission Reviewed International journal

Shiyoshi Yokoyama, Jiawei Mao, Futa Uemura, Hiromu Sato, G-W Lu

IEEEE Xplore ECOC   28   2024.3

152 Gbaud Transmision using Strong Ferroelectric Mach-Zhender Interferometer Modulator Invited Reviewed International journal

Shiyoshi Yokoyama, Jiawei Mao, Futa Uemura, Hiromu Sato, Guo-Wei Lu

IEEE Xplore IPC   25   2023.12

High-Performance Optical Convolutional Neural Network Accelerator with High-Speed Optical Modulator and Carrier-Injection-Type Attenuator Reviewed International journal

Akito Shinya, Koji Kida, Hiromu Sato, Guo-Wei Lu, Shiyoshi Yokoyama, Junichi Fujikata

IEEE Xplore MOC   2023.10

Silicon-Polymer Hybrid Modulators with High-Temperature Resistance for Energy-Efficient Data Centers Invited Reviewed International journal

Guo-Wei Lu, Hiromu Sato, Jiawei Mao, Shiyoshi Yokoyama

IEEE Explore OECC   14   2023.8

High-Speed Optical Convolutional Neural Network Accelerator with 100 Gbaud EO-polymer/Si Hybrid Optical Modulator Reviewed International journal

Akito Shinya, Koji Kida, Hiromu Sato, Guo-Wei Lu, Shiyoshi Yokoyama, Junichi Fujikata

IEEE Xplore   14   2023.8

Reliable High-speed Transmitter of Spin-on Electro-optic Waveguide Modulators Invited Reviewed International journal

S Yokoyama, Jiawei Mao, F Uemura, H Sato, GW Lu

IEEE Explore Si Photoncis   7   2023.7

Ultrafast EO Polymer Modulator: Realization of 100 Gbit/s OOK Transmission and Beyond Invited Reviewed International journal

Shiyoshi Yokoyama

Photonics Review   230204   2023.4

High-Performance EO Polymer/Si and InP Nano-Hybrid Optical Modulators in O-band and C-band Wavelengths Invited Reviewed International journal

Junichi Fujikata, Hiromu Sato, Alisa Bannaron, Guo-Wei Lu, Shiyoshi Yokoyama

IEEE Xplore OFC   19   2023.3

200 Gbit/s Transmitter Based on a Spin-on Ferroelectric Waveguide Modulator Reviewed International journal

Shiyoshi Yokoyama, Jiawei Mao, Futa Uemura, Hiromu Sato, Guo-Wei Lu

IEEE Explore OFC   Tu3C. 2   2023.3

Efficient four-wave mixing wavelength conversion in hybrid silicon and polymer microring resonator Invited Reviewed International journal

Jianxun Hong, Kenta Rokumyo, Jiawei Mao, Alisa Bannaron, Hiromu Sato, and Shiyoshi Yokoyama

Optics Express   2022.11

Heterogeneous silicon-on-lithium niobate electro-optic modulator for 100-Gbaud modulation, Jiawei Mao, Invited Reviewed International journal

Hiromu Sato, Guo-Wei Lu, and Shiyoshi Yokoyama

APL Photonics   2022.11

Control of emission diffraction angles and laser threshold in mixed-order sampled distributed feedback laser with organic gain media Reviewed International journal

HyunSuk Park, Sahar Alasvand Yazdani, Fatima Bencheikh, Ryutaro Komatsu, Shiyoshi Yokoyama, Takuro Kamiya, Chihaya Adachi

J. Appl. Phys.   2022.11

Design and Fabrication of MZI EO Modulator Based on Spin-on Epitaxial Photonic Materials Platform Invited Reviewed International journal

Jiawei Mao, Futa Uemura, Shiyoshi Yokoyama

IEEE Xplore OECC   17   TuD1-3   2022.6

Highly Reliable Organic Polymer Optical Modulators Invited Reviewed International journal

Shiyoshi Yokoyama, Guo-Wei Lu, Hiromu Sato, Jiawei Mao, Alisa Bannaron

IEEE Xplore Optical Fiber Communicaions   Th1J. 4-1 - Th1J. 4-3   2022.6

Organic Electro-optic (EO) Modulator for O-band Intra-datacenter Reviewed International journal

Alisa Bannaron, Hiromu Sato, Shiyoshi Yokoyama

IEEE Xplore OECC   17   TuP-D-2   2022.6

Epitaxial Electro-optical Thin Film and Waveguide on SiO2/Si Substrate Reviewed International journal

Futa Uemura, Jiawei Mao, Shiyoshi Yokoyama

IEEE Xplore OECC   17 ( TuP-D-5 )   2022.6

High Performance Si Photonics Devices and InP/EO Polymer Hybrid Optical Modulator for Data Communication and Computing Reviewed International journal

Junichi Fujikata, Masataka Noguchi, Tomoki Sakuma, Daisuke Okamoto, Yasuhiko Ishikawa, Shiyoshi Yokoyama

IEEE Xplore OECC   17 ( TuD-13 )   2022.6

Efficient silicon and side-cladding waveguide modulator with electro-optic polymer Reviewed International journal

Jiawei Mao, Hiromu Sato, Alisa Bannaron, Jianxun Hong, Guo-Wei Lu, and Shiyoshi Yokoyama

Optics Express   30 ( 2 )   1885 - 1895   2022.1

Fabrication of the electro-optic polymer modulator for O-band intra-datacenter communications Reviewed International journal

Alisa Bannaron, Hiromu Sato, Shiyoshi Yokoyama

IEEE Xplore CPMT   192 - 195   2021.12

A 100 Gbaud On-off-keying Silicon-Polymer Hybrid Modulator Operating at up to 110°C Reviewed International journal

33 ( 24 )   1507 - 1510   2021.11

O-Band Silicon-Organic Hybrid EO Modulator Reviewed International journal

Hiromu Sato, Alisa Bannaron, Shiyoshi Yokoyama

IEEE Xplore IEEE CMPT   196 - 199   2021.11

Mode-Confined Ultra Thin Silicon/Polymer Hybrid Electro-Optic Modulator Invited Reviewed International journal

Jiawei Mao, Alisa Bannaron, Hiromu Sato, Shiyoshi Yokoyama

IEEE Xplore CMPT   112 - 115   2021.11

110 Gbit/s On-Off keying transmitter based on a single-drive polymer modulator Invited Reviewed International journal

Shiyoshi Yokoyama, Guo-Wei Lu, Xiaoyang Cheng, Feng Qiu, Andrew M Spring

IEEE Xplore Optical Fiber Communications   Tu2H.5-1 - Tu2H.5-3   2021.3

Frequency correlated photon generation at telecom band using silicon nitride ring cavities Reviewed International journal

Zhenghao Yin, Kenta Sugiura, Hideaki Takashima, Ryo Okamoto, Feng Qiu, Shiyoshi Yokoyama, and Shigeki Takeuchi

Optics Express   29 ( 4 )   4821 - 4829   2021.3

Power-efficient O-band 40 Gbit/s PAM4 Transmitter based on Dual-drive Cascaded Carrier-depletion and Carrier-injection Silicon Mach-Zehnder Modulator with Binary Driving Electronics at CMOS Voltages Reviewed International journal

Guo-Wei Lu, Member, IEEE, Hong-Bo Zhang, Satoshi Shinada, Member, IEEE, Jianxun Hong, Yongpeng Cheng, and Shiyoshi Yokoyama

IEEE Journal of Selected Topics in Quantum Electronics   27 ( 3 )   1 - 8   2021.3

Electro-optic Modulators Further than 100 Gbps Reviewed International journal

Feng Qiu, and Shiyoshi Yokoyama

CLEO Pacific RIM   2020.10

Ultra high speed silicon and polymer hybrid modulator 100 G baud transmission Invited Reviewed International journal

Shiyoshi Yokoyama, Guo-Wei Lu, Feng Qiu, and Hiromu Sato

Proceedings of IEEE Photonics Conference (IPC 2020)   MH.3   2020.9

Ultra High Speed Silicon and Polymer Hybrid Modulator 100 Gbaud Transmission Invited Reviewed International journal

Shiyoshi Yokoyama, Guo-Wei Lu, Feng Qiu, Hiromu Sato

IEEE Xplore IPC   1 - 3   2020.9

Single 120Gbit/s Operation of Silicon-Polymer Hybrid Modulator Invited Reviewed International journal

Shiyoshi Yokoyama, Guo-Wei Lu, Feng Qiu, and Hiromu Sato

Solid State Devices and Materials (SSDM 2020)   2020.9

High-temperature-resistant silicon-polymer hybrid modulator operating at up to 200 Gbit s−1 for energy-efficient datacentres and harsh-environment applications Reviewed International journal

11   4224-1 - 4224-7   2020.8

Ultra high speed silicon and polymer hybrid modulator 100 Gbaud transmission Invited Reviewed International journal

Shiyoshi Yokoyama, Guo-Wei Lu, Feng Qiu, and Hiromu Sato

2020 IEEE Optical Interconnect Conference   2020.6

A verified equivalent-circuit model for slotwaveguide modulators Reviewed International journal

Heiner Zwickel, Stefan Singer, Clemens Kinnger, Yasar Kutuvantavida, Nark Muradyan, Thorsten Wahlbrink, Shiyoshi Yokoyama, Sebastian Randel, Wolfgang Freude, and Christian Koos

Optics Express   28   12951 - 12976   2020.3

High-thermal stable poly (norbornene-dicarboximide) for electro-optic polymer modulator Invited Reviewed International journal

Alisa Bannaron, Andrew Spring, Shiyoshi Yokoyama

Organic Photonic Materials and Devices XXII   11277   1127101   2020.3

A high efficiency silicon nitride waveguide grating coupler with multilayer bottom reflector Reviewed International journal

Jianxun Hong, Andrew M. Spring, Feng Qiu, and Shiyoshi Yokoyama

Scientific Reports   9   12988   2019.9

Design and fabrication of a silicon nitride ring resonator for on-chip broadband entangled photon sources Reviewed International journal

Zhenghao Yin, Kenta Sugiura, Xiaoyang Cheng, Hideaki Takashima, Ryo Okamoto, Shiyoshi Yokoyama, Shigeki Takeuchi

Proceedings of JSAP-OSA Joint Symposia   21a_E214_7   2019.9

Efficient 110 Gbit/s OOK transmitter using silicon hybrid popymer modulator Invited Reviewed International journal

Shiyoshi Yokoyama, Guo-Wei Lu, Xiaoyang Cheng, Feng Qiu, Andrew M Spring, Tsubasa Kashino, Juro Ohshima, M-A Ozawa, Hideyuki Nawata

Proceedings of ECOC   2019.9

Efficient 110 Gbit/s OOK transmitter using silicon hybrid polymer modulator Reviewed International journal

Shiyoshi Yokoyama, Xiaoyang Cheng, Feng Qiu, Andrew M. Spring, Guo-wei Lu, Ysubasa Kashino, Juro Ooshima, Masaaki Ozawa, and Hideyuki Nawata

45th Europian Conference on Optical Communication (ECOC2019))   2019.9

DAC-less PAM4 transmitter using electro-optic polymer dual-drive Mach-Zehnder modulator with imbalanced binary driving electronics Reviewed International journal

Guo-Wei Ly, Jianxun Hong, Hongbo Zhang, Feng Qiu, and Shiyoshi Yokoyama

CLEO2019   2019.5

DAC-less PAM4 Transmitter using Electro-optic Polymer Dual-drive Mach-Zehnder Modulator with Imbalanced Binary Driving Electronics Invited Reviewed International journal

Guo-Wei Lu, Jianxun Hong, Hongbo Zhang, Feng Qiu, Shiyoshi Yokoyama

IEEE Xplore CLEO   STh1N. 7   2019.5

Adamantyl and carbazole containing trans-poly(norbornene-dicarboximide)s as electro-optic chromophore hosts Reviewed International journal

Andrew M. Spring, Feng Qiu, Jianxun Hong, Alisa Bannaron, Xiaoyang Cheng, Shiyoshi Yokoyama

Polymer   ( 172 )   382 - 390   2019.4

Long-term Stable Electro-optic Polymers for Hybrid Integration Invited Reviewed International journal

Shiyoshi Yokoyama, Guo-Wei Lu, Xiaoyang Cheng, Feng Qiu

2019 Optical Fiber Communication Conference and Exhibition (OFC)   2019.3

Long-term Stable Electro-optic Polymer for Hybrid Integration Invited Reviewed International journal

S Yokoyama, GW Lu, X Cheng, F Qiu

Proceedings of Optical Fiber Communications   M3D.4-1 - M3D4-3   2019.3

110 Gbit/s On-off Keying Transmission Based on a Single-drive Polymer Modulator Reviewed International journal

Shiyoshi Yokoyama, Guo-Wei Lu, Xiaoyang Cheng, Feng Qiu, Andrew M. Spring

2019 Optical Fiber Communication Conference and Exhibition (OFC)   2019.3

Camera Sensor Platform for High Speed Video Data Transmission Using a Wideband Electro-Optic Polymer Modulator Reviewed International journal

X. Cheng, F. Qiu, A. M. Spring, M. Sasaki, T. Kashino, M. Ozawa, H. Nawata, T. Kita, O. Sugihara, and S. Yokoyama

Optics Express   27 ( 3 )   1877 - 1883   2019.1

Electro-optic (EO) polymer with highly thermal stable norbornene-based polymer backbone Invited Reviewed International journal

Alisa Bannaron, Andrew Mark Spring, Shiyoshi Yokoyama

Organic Photonic Materials and Devices XXI   10915   109150K   2019.1

Demonstration of long-term thermally stable Silicon-Organic Hybrid Modulators at 85 °C Reviewed International journal

２６   27955 - 27964   2018.11

Demonstration of long-term thermally stable Silicon-Organic Hybrid Modulators at 85 °C Reviewed International journal

1807.00774   2018.9

Demonstration of Long-Term Thermal Stability of a Silicon-Organic Hybrid (SOH) Modulator at 85°C Reviewed International journal

2018.8

High Temperature Resistant 112 Gbit/s PAM4 Modulator Based on Electro-optic Polymer Modulator Reviewed International journal

S. Yokoyama, G. -W Lu, H. Miura, Q. Feng, and A. M. Spring

44th Europian COnference on Optical Communication (ECOC)   2018.8

96 Gbit/s PAM-4 Generation using an Electro-Optic Polymer Modulator with High Thermal Stability Invited Reviewed International journal

Shiyoshi Yokoyama, G. W. Lu, H. Miura, Q. Feng, Andrew Mark Spring

2018 Conference on Lasers and Electro-Optics, CLEO 2018   2018.8

A High Efficiency and Wide Bandwidth Segmented Silicon Grating Coupler Reviewed International journal

Jianxun Hong, Feng Qiu, Andrew. M. Spring, and Shiyoshi Yokoyama

Applied Optics   57   3301 - 3305   2018.4

Plate-slot Polymer Waveguide Modulator on Silicon-on-insulator Reviewed International journal

Feng Qiu, Andrew. M. Spring, Jianxun Hong, and Shiyoshi Yokoyama

Optics Express   26   11213 - 11221   2018.4

Electro-optic Polymer Ring Resonator Modulator on a Flat Silicon-on-Insulator Reviewed International journal

Feng Qiu, Andrew. M. Spring, Jianxun Hong, Hiroki Miura, Tsubasa Kashino, Takamasa Kikuchi, Masaaki Ozawa, Hideyuki Nawata, Keisuke Odoi, and Shiyoshi Yokoyama

Laser & Photonics Review   １１   1700061 1 - 6   2017.11

Crosslinked poly(norbornene-dicarboximide)s as electro-optic chromophore hosts Invited Reviewed International journal

Andrew Mark Spring, QIU FENG, Crosslinked poly(norbornene-dicarboximide)s as electro-optic chromophore hosts, Alisa Bannaron, Tsubasa Kashino, Kikuchi, Masaaki, Hideyuki Nawata, Keisuke Odoi, Shiyoshi Yokoyama

European Polymer Journal   97   263 - 271   2017.10

High thermal stability 40 GHz electro-optic polymer modulators Invited Reviewed International journal

Hiroki Miura, QIU FENG, Andrew Mark Spring, Tsubasa Kashino, Takamasa Kikuchi, Masaaki Ozawa, Hideyuki Nawata, Keisuke Odoi, Shiyoshi Yokoyama

Optics Express   25   28643 - 28649   2017.10

A high-speed electro-optic triple-microring resonator modulator Invited Reviewed International journal

Jianxun Hong, QIU FENG, Xiaoyang Chen, Andrew Mark Spring, Shiyoshi Yokoyama

Scientific Reports   7   4682 - 4682-6   2017.7

Fabrication of a high-Q factor ring resonator using LSCVD deposited Si3N4 film Invited Reviewed International journal

Xiaoyan Cheng, Jianxun Hong, Andrew Mark Spring, Shiyoshi Yokoyama

OPTICAL MATERIALS EXPRESS   7 ( 7 )   2182 - 2187   2017.7

Electro-optic properties of a side chain poly(norbornenedicarboximide) system with an appended phenylvinylene thiophene chromophore Invited Reviewed International journal

Andrew Mark Spring, QIU FENG, Jianxun Hong, Alisa Bannaron, Shiyoshi Yokoyama

Polymer   119   13 - 27   2017.5

The preparation of well-controlled poly(N-cyclohexyl-exo-norbornene-5,6-dicarboximide) polymers Reviewed International journal

Andrew M. Spring, Feng Yu, Qiu Feng, Kazuhiro Yamamoto, Shiyoshi Yokoyama

Polymer J.   2014.5

A Norbornene polymer brush for electro-optic applications Reviewed International journal

Yue Jya, Andrew Spring, Kazuhiro Yamamoto, Isao Aoki, Akira Otomo, Shiyoshi Yokoyama

Thin Solid Films   554   175 - 179   2014.2

Electro-optic properties of a bi-chromophore norbornene polymer brush system Reviewed International journal

Yue Jia, Andrew M. Spring, Qiu Feng, Yu Feng, Kazuhiro Yamamoto, Isao Aoki, Akira Otomo, Shiyoshi Yokoyama

Japn. J. Appl. Phys.   53   01AF04-1 - 01AF04-5   2014.1

Thin TiO2 core and electro-optic polymer cladding waveguide modulators Reviewed International journal

Qiu Feng, Andrew Spring, Yu Feng, Isao Aoki, Akira Otomo, Shiyoshi Yokoyama

Appl. Phys. Lett   102   233504-1 - -3   2013.7

On-chip superfocusing of surface plasmon using metal-coat tapered optical fiber pairs with nano-gap structures Reviewed International journal

Kazuhiro Yamamoto, Shiyoshi Yokoyama, Akira Otomo

Proc SPIE   8632   863228-1 - 863228-8   2013.2

Electro-optic waveguide with conductive chromophore contained polymer cladding Reviewed International journal

Kazuhiro Yamamoto, Feng Yu, Lu Li, Shiyoshi Yokoyama, Akira Otomo, Kei Yasui, Masaaki Ozawa

Proc SPIE   8622   86221K-1 - 86221K-6   2013.2

CMOS-compatible Athermal Silicon Nitride/Titaniumu Dioxide Hybrid Micro-ring Resonators Reviewed International journal

F. Qiu, A. M. Spring, F. Yu, and S. Yokoyama

Appl. Phys. Lett.   102   2013.1

Thermal-sensitive wavelength filter based on polymer waveguide and polarization-maintaining fiber Reviewed International journal

Feng Qiu, Feng Yu, Andrew M. Spring, and Shiyoshi Yokoyama

J. Opt. Soc. Am. B   29   2012.11

An Athermal Silicon Nitride Ring Resonator by Photobreaching DR1/PMMA Polymer Reviewed International journal

F. Qui, F. Yu, A. M. Spring, and S. Yokoyama

Opt. Lett.   37,   2012.9

Large Electro-Optic Activity and Enhanced Temporal Stability of Methacrylate-Based Crosslinking Hyperbranched Nonlinear Optical Polymer Reviewed International journal

Yuichi Mori, Kosei Nakaya, Xianqing Piao, Kazuhiro Yamamoto, Akira Otomo, and Shiyoshi Yokoyama

J. Polym. Sci. A   50   2012.2

Nonlinear behavior of photoluminescence from silicon particles under two-photon excitation Reviewed International journal

Xingsheng Xu and Shiyoshi Yokoyama

Appl. Phys. Lett.   99   2011.12

Enhancement of Electro-Optic Activity by Introduction of a Benzyloxy Group to Conventional Donor-p-acceptor Molecules Reviewed International journal

X. Piao, X. Zhang, S. Inoue, S. Yokoyama, I. Aoki, H. Miki, A. Otomo, and H. Tazawa

Organic Electronics   12   2011.5

Nonlinear Optical Side-chain Polymers Postfunctionalized with High-β Chromophores Exhibiting Large Electro-optic Property Reviewed International journal

49   2011.1

Effect of Modified Donor Units on Molecular Hyperpolarizability of Thienyl-Vinylene Nonlinear Optical Chromophores Reviewed International journal

X. Zhang, I. Aoki, X. Piao, S. Inoue, H. Tazawa, S. Yokoyama, and A. Otomo

Tetrahedron Lett.   51   2010.9

Enhanced electro-optic response of a poled polymer in a reflective microcavity Reviewed International journal

Azusa Inoue, Shin-ichiro Inoue, Shiyoshi Yokoyama

Optics Communications   283   2010.7

Modification of two-photon excited fluorescence from quantum dots on SiN photonic crystals Reviewed International journal

Xingsheng Xu, Toshiki Yamada, and Shiyoshi Yokoyama

Optics Letters   35 ( 3 )   2010.2

Polymer Micro-structure Embedded in Two-Dimensional Photonic Crystals Reviewed International journal

K. Sasaki, S. Inoue, K. Nishio, H. Masuda, A. Otomo, and S. Yokoyama

Opt. Mater.   32   2010.1

Hyper-branched Polymer for Electro-optic Applicaitons Invited Reviewed International journal

X. Piao, Y. Mori, X. Piao, S. Inoue, and S. Yokoyama

Proc SPIE   7599   2010.1

Correlation between Antibunching and Blinking of Photoluminescence from a CdSe/ZnS Quantum Dot Reviewed International journal

X. Xu, T. Yamada, and S. Yokoyama

Eur. Phys. J. D   55   2009.11

Numerical Simulation of an Ultra-compact Electro-optic Modulator Based on Nanoscale Plasmon Metal Gap Waveguides Reviewed International journal

S. Inoue and S. Yokoyama

Elec. Lett.   45   2009.11

Photochemical and Photophysical Reactions of Poly(propylene imine) Dendrimers Tethering Cinnamamide Groups Reviewed International journal

S. Furumi, A. Otomo, S. Yokoyama, and S. Mashiko

Polymer   50   2009.5

Nonlinear Optical Responses in Two-Dimensional Photonic Crystals Reviewed International journal

S. Inoue and S. Yokoyama

Thin Solid Films   518   2009.2

One dimensional polymeric photonic crystal doped with second-order nonlinear optical chromophore Reviewed International journal

A. Inoue,S. Inoue,S. Yokoyama,K. Kojima,K. Yasui,M. Ozawa, and O. Masaaki

Proc. SPIE Int. Soc. Opt. Eng.   2009.2

Enhancing the two-photon excited fluorescence by two-dimensional nonlinear optical-polymer photonic crystals Reviewed International journal

S. Inoue and S. Yokoyama

Proc. SPIE Int. Soc. Opt. Eng.   2009.2

Synthesis and Characterization of Binary Chromophore Polymers for Eelectro-optic Application Reviewed International journal

X. Piao, S. Inoue, S. Yokoyama, H. Miki, I.. Aoki, A. Otomo, H. Tazawa

Thin Solid Films   518   2009.2

Enhancement of two-photon excited fluorescence in two-dimensional nonlinear optical polymer photonic crystal waveguides Reviewed International journal

S. Inoue and S. Yokoyama

Appl. Phys. Lett.   2008.9

Two-photon polymer laser writing in the photonic crystal Reviewed International journal

S. Yokoyama, S. Inoue, and K. Sasaki

Proc. SPIE   2008.8

Observation of negative differential resistance and single-electron tunneling in electromigrated break junctions Reviewed International journal

Y. Noguchi, R. Ueda, T. Kubota, T. Kamikado, S. Yokoyama, and T. Nagase

Thin Solid Films   2008.3

Control of Multiphoton Process within Diffraction Limit Space in Polymer Microstructures Reviewed International journal

T. Nakahama, S. Yokoyama, H. Miki, and S. Mashiko

Thin Solid Films   2008.3

The fluorescence behavior from SAM of dendron with rhodamine B as a center Reviewed International journal

Y. Naitoh, A. Otomo, H. Miki, I. Aoki, and S. Yokoyama

Thin Solid Films   2008.3

Nanosecond and femtosecond mass spectroscopic analysis of a molecular beam produced by the spray-jet technique Reviewed International journal

T. Yamada, H. Shinohara, T. Kamikado, Y. Okuno, H. Suzuki, S. Mashiko, and S.Yokoyama

Thin Solid Films   2008.3

Theoretical study of molecular rectificafion in porphyrin dimer Reviewed International journal

Y. Okuno and S. Yokoyama

Thin Solid Films   2008.3

Superfocusing modes of surface plasmon polaritons in conical geometry based on the quasi-separation of variables approach Reviewed International journal

K. Kurihara, A. Otomo, A. Syouji, J. Takahara, K. Suzuki, and S. Yokoyama

J. Phy. A, MAT. THEO.   2007.8

Analysis of a molecular beam produced by the spray-jet technique with femtosecond laser mass spectroscopy Reviewed International journal

T. Yamada, H. Shinohara, S. Mashiko, and S. Yokoyama

Mol. Crys. Liq. Crys   2007.6

Interstitial accommodation of C-60 in a surface-supported supramolecular network Reviewed International journal

F. Nishiyama, T. Yokoyama, T. Kamikado, S. Yokoyama, S. Mashiko, K. Sakaguchi, K. Kikuchi

Adv. Mater.   2007.3

Control of Single Supramolecular Chain of Porphyrin ona Copper Surface Reviewed International journal

T. Kamikado, T. Sekiguchi, S. Yokoyama. and S. Mashiko

Thin Solid Films   2007.3

Single-mode polymer DBR lasers with two-dimensional microcavity structures Reviewed International journal

S. Yokoyama

IEICE TRANS. ELECT.   2007.1

Interstitial Accomodation of C-60 in a Surface-supported Supramolecular Network Reviewed International journal

F. Nishiyama, T. Yokoyama, T. Kamikado, S. Yokoyama, and S. Mashiko

Adv. Mater.   2007.1

Single-mode Polymer DFB Lasers with Two-dimensional Microcavity Structures Reviewed International journal

S. Yokoyama

IEICE Transactions on Electronics   2007.1

Two-photon-photopolymeric Micro-nano Fabrication fot Polymer Device Applications Reviewed International journal

S. Yokoyama, T. Nakahama, and S. Mashiko

Proc. SPIE   2007.1

Layer-by-Layer Growth of Porphyrin Supermolecular Thin Films Reviewed International journal

F. Nishiyama, T. Yokoyama, T. Kamikado, S. Yokoyama, and S. Mashiko

Appl. Phys. Lett   2006.6

Structure of Thin Films of Tertiary-phenyl-porphyrin Derivatives on Gold Surface Reviewed International journal

T. Terui, S. Yokoyama, H. Suzuki, S. Mashiko, M. Sakurai, and T. Moriwaki

Thin Solid Films   2006.3

Synthesis and Luminescence Properties of Benzylthioether Dendrons Bearing Rhodamine B at the Focal Point Reviewed International journal

H. Miki, A. Otomo, S. Yokoyama, and S. Mashiko

Thin Solid Films   2006.3

Two-phoron-Induced Polymerization in a Photonic Crystal Template for Optical Device Application Reviewed International journal

S. Yokoyama, T. Nakahama, H. Miki, and S. Mashiko

Abst. Paper of the Am. Chem. Soc.   2006.3

Structure of Thin Films of Tertiary-phenyl-porphyrin Derivatives on Gold Surface Reviewed International journal

T. Terui, S. Yokoyama, H. Suzuki, and S. Mashiko

Thin Solid Films   2006.3

Control of Photonic bandgap in Chiral Liquid Crystals for Distributed Feedback Effect Reviewed International journal

S. Furumi, S. Yokoyama. A. Otomo, and S. Mashiko

Thin Solid FIlms   2006.3

Lasing from Two-dimensional Photonic Crystals Using Anodic Porous Alumina Reviewed International journal

H. Masuda, M. Yamada, F. Matsumoto, S. Yokoyama, S. Mashiko, M. Nakao, and K. Nishio

Adv. Mater.   2006.2

Laser Emission from a Polymer-Stabilized Liquid Crystaline Bule Phase International journal

S. Yokoyama, S. Mashiko, H. Kikuchi, K. Uchida, and T. Nagamura

Adv. Mater.   2006.1

Photonic Crystal Templates for Organic Solid-state Laser Reviewed International journal

S. Yokoyama, T. Nakahama, S. Mashiko, M. Nakao, M. Yamada, K. Nishio, and H. Masuda

Appl. Phys. Lett.   2005.11

Amplified Spontaneous Emission and Laser Emission from a High Optical-gain medium of Dye-doped Dendrimer Reviewed International journal

S. Yokoyama, T. Nakahama, and S. Mashiko

J. Luminescence   2005.4

Phototunable Photonic Band-gap in a Chiral Liquid Crystal Laser Device Reviewed International journal

S. Furumi, S. Yokoyama, A. Otomo, and S. Mashiko

Appl. Phys. Lett   2005.4

Nanoscale Organic Electroluminescence from Tunnel Junctions Reviewed International journal

X. L. Guo, Z. C. Dong, A. S. Trifonov, K. Miki, Y. Wakayama, K. Kimura, S.Yokoyama, and S. Mashiko

Phys. Rev. B   1900

Suprafluorescence Action from Rhodamine-cored Dendrimer Reviewed International journal

S. Yokoyama, T. Nakahama, A. Otomo, and S. Mashiko,

Coll. Surf. A   1900

Laser Emission from High-gain media of Dye-doped Dendrimer Reviewed International journal

S. Yokoyama, A. Otomo, and S. Mashiko

Appl. Phys. Lett   1900

Tunneling Electron Induced Photon Emission from Monolayered H2TBPP porphyrin on Cu (100) Reviewed International journal

Z. C. Dong, A. Trifonov, X. ?L. Guo K. Amemiya, S. Yokoyama, T. Kamikado, T. Yamada, S. Mashiko, and T. Okamoto

Surface Science   1900

Light Emission from Organic Molecules on Metal Substrate Induced by Tunneling Reviewed International journal

X. L. Guo, Z. ?C. Dong, A. Trifonov, S. Yokoyama, S. Mashiko, and T. Okamoto

Jpn, J. Appl. Phys   1900

Tunneling Electron Induced Luminescence from Monolayered Cu-TBP Porphyrin molecules adsorbed on Cu (100) Reviewed International journal

Z. C. Dong, A. Kar, R. Dorozhkin, K. Amemiya, T. Uchihashi, S. Yokoyama, K. Kamikado, S. Mashiko, and T. Okamoto

Thin Solid Films   1900

Molecule Isomers by Using a Scanning Tunneling Microscope Reviewed International journal

H. Suzuki, H. Miki, S. Yokoyama, and S. Mashiko

J. Phys. Chem. B   1900

Determining the Conformation of a Phenyene-linked porphyrin Dimer by NMR Spectroscopy and Quantum Chemical Calculations International journal

Y. Okuno, T. Kamikado, S. Yokoyama, S. Mashiko

J. Mol. Structure-Theochem   1900

Segregation of Molecular Overlayers with Different Structures on a Metal Surface Reviewed International journal

H. Suzuki, H. Miki, S. Yokoyama, and S. Mashiko

Thin Solid Films   1900

Study on Laser Action from UV-curable Chiral Nematic Liquid Crystals Reviewed International journal

S. Furumi, S. Yokoyama, A. Otomo, and S. Mashiko

Thin Sold Films   1900

Effective Photocrosslinking Reaction of Dendrimers through Triplet Energy Transfer Reviewed International journal

S. Furumi, A. Otomo, S. Yokoyama, and S. Mashiko

Thin Solid Films   1900

Electrical Control of the Structure and Lasing in Chiral Photonic Band-gap Liquid Crystals Reviewed International journal

S. Furumi, S. Yokoyama, A. Otomo, and S. Mashiko

Appl. Phys. Lett   1900

Fabrication of Three-dimensional Microstructure in an Optical Gain Medium Using Two-photon-induced Photopolymerization Technique Reviewed International journal

S. Yokoyama, T. Nakahama, H. Miki, and S. Mashiko

Thin Solid Films   1900

Tuning of Laser Frequency in Random Media of Dye-doped Polymer and Glass Particle Hybrid Reviewed International journal

S. Yokoyama and S. Mahsiko

Jpn. J. Appl. Phys   1900

Two-photon-induced Polymerization in a Laser Gain Medium for Optical Microstructure Reviewed International journal

S. Yokoyama, T. Nakahama, H. Miki, and S. Mashiko

Appl. Phys. Lett   1900

Tunneling-electron-induced Molecular Luminescence from a Nanoscale Layer of Organic Molecules on Metal Substrates Reviewed International journal

X. L. Guo, Z. C. Dong, A. S. Trifonov, S. Yokoyama, S. Mahsiko, and T. Okamoto

Appl. Phys. Lett   1900

Vibrationally Resolved Fluorescence from Organic Molecules Near Metal Surface in a Scanning Tunneling Microscope Reviewed International journal

Z. C. Dong, X. L. Guo, A. S. Trifonov, P. S. Dorozhkin, K. Miki, K. Kimura, S. Yokoyama, and S. Mashiko

Phys. Rev. Let.   1900

Adsorption-induced Conformation Changes of Phorphyrin Derivatives and Formation of Twin Superstructures on a Copper Surface Reviewed International journal

T. Sekiguchi, Y. Wakayama, S. Yokoyama, T. Kamikado, and S. Mashiko

Thin Solid Films   1900

Conformation Selective Assembly of Carboxyphenyl Substituted Porphyrins on Au (111) Reviewed International journal

T. Yokoyama, T. Kamikado, S. Yokoyama, and S. Mashiko

J. Chem. Phys.   1900

Photochemical Stability of Encapsulated Laser Dyes in Dendritic Nanoboxes Against Singlet Oxygen Reviewed International journal

A. Otomo, S. Otomo, S. Yokoyama, and S. Mashiko

Opt. Lett.   1900

Control of Single Supramolecular Chain of Porphyrin on a Copper Surface Reviewed International journal

T. Kamikado, T. Sekiguchi, S. Yokoyama, Y. Wakayama, and S. Mashiko

Thin Solid Films   1900

Control of Photonic Bandgaps in Chiral Liquid Crystals for Distributed Feedback Effect Reviewed International journal

S. Furumi, S. Yokoyama, A. Otomo, and S. Mashiko

Thin Solid Films   1900

STM Induced Photon Emission from Adsorbed Porphyrin Molecules on a Cu(100) Surface in Ultrahigh Vacuum Reviewed International journal

D. Fujita, T. Ohgi, W. ?L. Deng, H. Hejo, T. Okamoto, S. Yokoyama, K. Kamikado, and S. Mashiko

Surface Science,   1900

Molecular Design of Novel Azobenzene Dendrimers Reviewed International journal

Y. Yamaguchi, Y. Yokomichi, S. Yokoyama, and S. Mashiko

Polym. Adv. Tech.   1900

Ab. Initio Calculations of First Hyperpolarizability for Donor-Acceptor Azobenzene and their Dimers Reviewed International journal

Y. Okuno, S. Yokoyama, and S. Mashiko

Nonlinear Optics   1900

Super-narrowing Mirrorless Laser Emission in Dendrimer-doped Polymer Waveguide Reviewed International journal

A. Otomo, S. Yokoyama, T. Nakahama, and S. Mashiko

Appl. Phys. Lett.   1900

Computational and Experimental Studies of Azobenzene Dendrons for Nonlinear Optical Applications Reviewed International journal

S. Yokoyama, S. Mashiko, Y. Yamaguchi, and Y. Yokomichi

Polym. Adv. Tech.   1900

Intermolecular Coupling Enhancement of the Molecular Hyperpolarizability in NLO Dendrimers Reviewed International journal

S. Yokoyama and S. Mashiko

Nonlinear Optics   1900

Intermolecular Coupling Enhancement of the Molecular Hyperpolarizability in Multi-choromophoric Dipolar Dendrons Reviewed International journal

S. Yokoyama, T. Nakahama, A. Otomo, and S. Mashiko

J. Am. Chem. Soc.   1900

Selective Assembly on a Surface of Supramolecular Aggregates with Controlled Size and Shape Reviewed International journal

T. Yokoyama, S. Yokoyama, T. Kamikado, Y. Okuno, and S. Mashiko

Nature   1900

Photon Emission Induced by Tunneling Electrons from a Cu(100) Surface Covered with Porphyrin Molecules Reviewed International journal

D. Fujita, T. Ohgi, W. Deng, K. Ishige, T. Okamoto, S. Yokoyama, and S. Mashiko

Surface Science   1900

Effect of the Metal/organic Interface Phenomena on the Current-voltage Characteristics of Organic Single Electron Tunneling Device, Reviewed International journal

T. Kubota, S. Yokoyama, T. Nakahama, S. Mashiko, Y. Noguchi, Y. Majima, and M. Iwamoto

Thin Solid Films   1900

Nonplanar Adsorption and Orientational Ordering of Porphyrin Molecules on Au (111) Reviewed International journal

T. Yokoyama, S. Yokoyama, T. Kamikado, and S. Mashiko

J. Chem. Phys.   1900

Time-dependent Density Functional Calculations of the Q-like Bands of Phenylene-linked Free-base and Zinc Porphyrin Dimers Reviewed International journal

Y. Yamaguchi, Y. Yokomichi, S. Yokoyama, and S. Mashiko

Int. J. Quantum Chem.   1900

Theoretical Prediction of First-order Hyperpolarizabilities of Azobenzene Dendrimers, International journal

Y. Yamaguchi, Y. Yokomichi, S. Yokoyama, and S. Mashiko

J. Mol. Structure-Theochem.   1900

Interaction between Monomeric Units of Donor-Acceptor Functionalized Azobenzene Dendrimers: Effects on Macroscopic Configuration and First Hyperpolarizability Reviewed International journal

Y. Okuno, S. Yokoyama, and S. Mashiko

J. Phys. Chem. B   1900

Stimulated Emission in Dendrimer-doped Polymer Waveguide Reviewed International journal

A. Otomo, S. Otomo, S. Yokoyama, and S. Mashiko

Thin Solid Films   1900

Estimation of Organic-molecular Film Structure using Surface-plasmon Resonance Spectroscopy Reviewed International journal

M. Zhou, A. Otomo, S. Yokoyama, and S. Mashiko

Thin Sold Films   1900

Strong Coupling of the Single Excitation in the Q-like Bands of Phenylene-linked Free-base and Zinc Bacteriochlorin Dimers: A Time-dependent Density Functional Theory Study Reviewed International journal

Y. Yamaguchi, S. Yokoyama, and S. Mashiko

J. Chem. Phys.   1900

STM-induced Photon Emission from Self-assembled Porphyrin Molecules on a Cu (100) surface Reviewed International journal

W. Deng, D. Fujita, T. Ohgi, S. Yokoyama, K. Kamikado, and S. Mashiko

J. Chem. Phys.   1900

Theoretical Study of Benzonitrile Clusters in the Gas Phase and Adsorption onto a Au(111)-surface Reviewed International journal

Y. Okuno, T. Yokoyama, S. Yokoyama, T. Kamikado, and S. Mashiko

J. Am. Chem. Soc.   1900

STM Induced Photon Emission from Adsorbed Porphyrin Molecules on a Cu(100) Surface in Ultrahigh Vacuum Reviewed International journal

D. Fujita, T. Ohgi, W. Deng, H. Nejo, T. Okamoto, S. Yokoyama, and S. Mashiko

Surface Science   1900

Molecularly Resolved Dynamics for Two-dimensional Nucleation of Supramolecular Assembly Reviewed International journal

H. Yanagi, H. Mukai, K. Ikuta, T. Shibutani, T. Kamikado, S. Yokoyama, and S. Mashiko

Nano Lett.   1900

Light Emission from Porphyrin Molecules Induced by a Scannin Tunneling Microspce Reviewed International journal

Z. C. Dong, A. Kar, Z. ?Q. Zou, T. Oghi, P. Dorozhkin, D. Fujita, S. Yokoyama, T. Terui, T. Yamada, T. Kamikado, M. Zhou, S. Mashiko, and T. Okamoto

Jpn. J. Appl. Phys.   1900

Theoretical Study of Aryl-ring Rotation in Arylphorphyrins Reviewed International journal

Y. Okuno, T. Kamikado, S. Yokoyama, and S. Mashiko

J. Mol. Structure-Theochem   1900

Novel Rigid-rod 2,6-Diphenylbenzo[1,2-d:4,5-d’]bisthiazole (DPBBT) Derivatives for Second-order Nonlinear Optical Chromophores Reviewed International journal

1900

Single Electron Tunneling Organic Devices

T. Kubota, S. Yokoyama, T. Nakahama, S. Mashiko, Y. Noguchi, and M. Iwamoto（ Role： Joint author）

2003.3 

Dendrimers for Optoelectronic Applications, In “Topic in Current Chemistry, Dendrimer V”

（ Role： Joint author）

2003.3 

Spatial Light Confinement and Laser Emission From a Gain Medium Containing Dendrimer, In “Nanotechnology and Nano-interface Controlled Electronic Devices”

（ Role： Joint author）

2003.3 

Control of Molecular Selective-assembling on Metal Surface, In “Nanotechnology and Nano-interface Controlled Electronic Devices”

（ Role： Joint author）

2003.3 

ナノ素材／光機能性デンドリマー,「光機能性有機・高分子材料の新局面」市村國宏監修

横山士吉（ Role： Joint author）

ｼｰ･ｴﾑ･ｼｰ社  2002.7 

デンドリマー, 「ナノマテリアルの最新技術」小泉光恵他編集

横山士吉（ Role： Joint author）

ｼｰ･ｴﾑ･ｼｰ社  2001.4 

Preparation and Asymmetric Orientation of Dipolar Dendrons in an Assembled Structure, In “Hyper-Structured Molecules II, Chemistry, Physics and Applications”

（ Role： Joint author）

2001.3 

光を制御する次世代高分子・超分子「非線形光学材料としてのデンドリマー」

横山士吉（ Role： Joint author）

高分子学会  2000.11 

電気光学光導波路による超高速光変調技術の開拓 Invited

横山 士吉

第５０回ポリマー光部品(POC)研究会  2023.11 

Ferroelectric spin-on-film based Mach-Zehnder interferometer modulator for 252 Gbit/s PAM4 transmission

S Yokoyama, J Mao, F Uemura, H Sato, GW Lu

ECOC 2023  2023.9 

Silicon-Polymer Hybrid Modulators with High-Temperature Resistance for Energy-Efficient Data Centers International conference

Guo-Wei Lu, Hiromu Sato, Jiawei Mao, Shiyoshi Yokoyama

ECOC 2023  2023.9 

High-Performance Optical Convolutional Neural Network Accelerator with High-Speed Optical Modulator and Carrier-Injection-Type Attenuator International conference

Akito Shinya, Koji Kida, Hiromu Sato, Guo-Wei Lu, Shiyoshi Yokoyama, Junichi Fujikata

28th Microoptics Conference (MOC)  2023.9 

Hybrid Polymer and Silicon Slot Modulators International conference

Ryuta Baba and Shiyoshi Yokoyama

KJF International Conference  2023.8 

Present and Future Spin-on Electro-optic Waveguide Modulator Invited International conference

Shyoshi Yokoyama, Hiromu Sato, Alisa Bannaron, Jiawei Mao, and Futa Uemura

KJF International Conference  2023.8 

Fabrication of a ferroelectric electro-optic modulator using a strong Pockels PLZT waveguide International conference

Futa Uemura, Tomoya Iwanaga, and Shiyoshi Yokoyama

KJF International Conference  2023.8 

Silicon-Polymer Hybrid Modulators with High-Temperature Resistance for Energy-Efficient Data Centers Invited International conference

Guo-Wei Lu, Hiromu Sato, Jiawei Mao, Shiyoshi Yokoyama

Opto-Electronics and Communications Conference (OECC)  2023.7 

Reliable High-speed Transmitter of Spin-on Electro-optic Waveguide Modulators Invited International conference

Shiyoshi Yokoyama, Jiawei Mao, Futa Uemura, Hiromu Sato, Guo-Wei Lu

2023 IEEE Silicon Photonics Conference  2023.5 

200 Gbit/s Transmitter Based on a Spin-on Ferroelectric Waveguide Modulator International conference

Shiyoshi Yokoyama, Jiawei Mao, Futa Uemura, Hiromu Sato, and Guo-Wei Lu

OFC 2023  2023.3 

100 Gbaud on-off-keying silicon polymer hybrid modulator Invited International conference

Shiyoshi Yokoyama, Hiromu Sato, Jiawei Mao, Alisa Bannaron, Guo-Wei Lu

Photonics West 2023  2023.1 

ポリマーハイブリッド変調器を使った光データ伝送 Invited

横山士吉

レーザー学会学術講演第43回年次大会  2023.1 

高効率電気光学変調器を用いた高速光変調技術の開発 Invited

横山士吉

光通信システム研究会  2023.1 

Present and future spin-on electro-optic waveguide modulator Invited International conference

Shiyoshi Yokoyama, Hiromu Sato, Alisa Bannaron, Jiawei Mao, Futa Uemura

ICNME2023  2022.12 

Efficient 100Gbaud OOK and PAM4 modulation using hybrid Si and electro-optic modulator Invited International conference

Shiyoshi Yokoyama, Guo-Wei Lu, Jiawei Mao, Hiromu Sato, Alisa Bannaron

ICONO13&ICOPE2022  2022.11 

A strong electro-optically active ferroelectric thin-film integrated on silicon

Mao Jiawei, Futa Uemura, Shiyoshi Yokoyama

JSAP-Optica-SPP Joint Symposia 2022  2022.9 

Epitaxial Electro-optical Thin Film and Fabrication of EO Waveguide Modulator International conference

Futa Uemura, Jiawei Mao, and, Shiyoshi Yokoyama

JSAP-Optica-SPP Joint Symposia 2022  2022.9 

B5Gに向けた超高速ポリマー光変調器の開発と現状 Invited

横山士吉

高分子学会　討論会  2022.9 

Organic Electro-optic (EO) Modulator for O-band Intra-datacenter International conference

Alisa Bannaron, Hiromu Sato, Shiyoshi Yokoyama

OECC/PSC 2022  2022.7 

Design and Fabrication of MZI EO Modulator Based on Spinon Epitaxial Photonic Materials Platforｍ International conference

2022.7 

B5Gに向けた超高速ポリマー光変調器の開発と現状 Invited

横山士吉、佐藤洸、Alisa Bannaron、Jiawei Mao

高分子討論会  2022.9 

Norbornene-dicarboximide (NDI) based Electro-optic (EO) polymer with a thiophene based chromophore for low driving voltage modulator International conference

Alisa Bannaron, Hiromu Sato, and Shiyoshi Yokoyama

KJF-ICOMEP 2022  2022.8 

High-speed organic EO modulator for O-band

Hiromu Sato, Alisa Bannaron, and Shiyoshi Yokoyama

KJF-ICOMEP 2022  2022.8 

200GEOポリマー光変調器の開発と超高速信号伝送 Invited

横山士吉

レーザ・量子エレクトロニクス研究会 (LQE)  2022.8 

Epitaxial Electro-optical Thin Film and Waveguide on SiO2/SiSubstrate International conference

Futa Uemura, Jiawei Mao, Shiyoshi Yokoyama

OECC/PSC 2022  2022.9 

EOポリマー変調器と超高速データ伝送

横山士吉

フォトニックデバイス・応用技術研究会  2022.6 

シリコン/ポリマーハイブリッド型の光変調器を用いいた高速信号伝送 Invited

横山士吉

第163回微小光学研究会  2022.5 

シリコンハイブリッド型ポリマー変調器を用いいた超高速データ伝送 Invited

横山士吉

電子情報通信学会  2022.3 

Highly Reliable Organic Polymer Optical Modulator Invited International conference

Shiyoshi Yokoyama

2022 Optical Fiber Communication Conference (OFC)  2022.3 

100 Gbaud on-off-keying silicon polymer hybrid modulator Invited International conference

Shiyoshi Yokoyama

Photonics West 2022  2022.2 

Efficient 100 Gbaud OOK and PAM4 modulation using hybrid Si and electro-optic polymer modulator Invited International conference

S. Yokoyama

ISPEC 2021  2021.12 

O-band silicon-organic hybrid EO modulator International conference

Hiromu Sato, Alisa Bannaron, and Shiyoshi Yokoyama

10th IEEE CPMT Symposium Japan  2021.11 

Mode-confined ultra thin silicon/polymer hybrid electro-optic modulator International conference

Jiawei Mao, Alisa Bannaron, Hiromu sato, and Shiyoshi Yokoyama

10th IEEE CPMT Symposium Japan  2021.11 

Fabrication of the electro-optic polymer modulator for O-band intra-datacenter communications International conference

Alisa Bannaron, Hiromu, Sato, and Shiyoshi Yokoyama

10th IEEE CPMT Symposium Japan  2021.11 

Nonlinear optical push-pull chromophores for the next generation datacenter International conference

Alisa Bannaron, Hiromu Sato, and Shiyoshi Yokoyama

KJF-ICOMP 2021  2021.8 

Silicon-Polymer Hybridリング共振器の作製と評価

小林 龍汰、田嶋 凛太郎、横山 士吉

第82回応用物理学会秋季学術講演会  2021.9 

Fabrication and Optical Properties of Silicon and Polymer Hybrid Ring Resonator International conference

Ryuta Kobayashi, Rintaro Tajima, Rokumyo Kenta, Hiromu Sato, and Shiyoshi Yokoyama

KJF-ICOMEP 2021  2021.8 

Overview and Future Challenges on Polymer and Photonics in High-speed Communications Invited

Shiyoshi Yokoyama, Hiromu Sato, Jawei Mao, Alissa Bannaron, Takuro Kamiya, Feng Qium, and Gue-Wei Lu

KJF-ICOMEP 2021  2021.8 

Efficient electro-optic modulation based on a mode-confined ultra-thin silicon/polymer hybrid modulator International conference

Jiawei Mao, Hiromu Sato, and Shiyoshi Yokoyama

KJF-ICOMEP 2021  2021.8 

The synthesis of nonlinear optical chromophores with short electro-optic wavelength International conference

Kenta Rokumyo, Alisa Bannaron, and Shiyoshi Yokoyama

KJF-ICOMEP 2021  2021.8 

High efficient polymer silicon hybrid EO modulator International conference

Hiromu Sato, Alisa Bannaron, and Shiyoshi Yokoyama

KJF-ICOMEP 2021  2021.8 

高速EOポリマー変調器の開発と200Gbit/sデータ伝送 Invited

横山士吉

第2回光集積及びシリコンフォトニクス(PICS)研究会  2021.7 

fficient 120 Gbit/s OOK and 200 Gbit/s PAM4 transmitter using integrated silicon and polymer hybrid modulator Invited International conference

Shiyoshi Yokoyama, Guo-Wei Lu, Feng Qiu

International conference on Nano-photonics and Nano^optoelectronics  2021.4 

SiLNOIハイブリッド型光変調器の作製と強度変調特性

神谷拓郎、佐藤洸、横山士吉

2021年　第68回応用物理学会春季学術講演会  2021.3 

EOポリマー変調器 Invited

横山士吉

産総研フレキシブルエネルギーデバイスコンソーシアム　第3回講演会  2020.12 

ポリマー変調器を用いた高温動作200Gbit/s変調の実現 Invited

横山士吉

自動車・モビリティフォトニクス研究会  2020.11 

電気光学ポリマーを用いた超高速光変調器 Invited

横山士吉

光通信技術展　セミナー「最先端光り材料技術の動向と今後の展望」  2020.10 

Ultra high speed silicon and polymer hybrid modulator 1-00 G baud transmission Invited International conference

Shiyoshi Yokoyama, Guo-Wei Lu, Feng Qiu, and Hiromu Sato

IEEE Photonics Conference (IPC 2020)  2020.9 

Single 120Gbit/s Operation of Silicon-Polymer Hybrid Modulator Invited International conference

Shiyoshi Yokoyama, Guo-Wei Lu, Feng Qiu, and Hiromu Sato

Solid State Devices and Materials (SSDM 2020)  2020.9 

Ultra high speed silicon and polymer hybrid modulator 100 Gbaud transmission Invited International conference

Shiyoshi Yokoyama, Guo-Wei Lu, Feng Qiu, and Hiromu Sato

2020 IEEE Optical Interconnect Conference  2020.6 

Efficient 120 Gbaud transmitter using integrated silicon hybrid polymer modulator Invited International conference

Shiyoshi Yokoyama

International COnference on Nanophotonics and Nano-optoelectronics (ICNN2020)  2020.4 

シリコンハイブリッド型ポリマー変調器を用いた高速送信器 Invited

横山士吉

２０２０年電子情報通信学会  2020.3 

Possible integrated Si and EO polymer modulator for efficient high-speed transmitter Invited International conference

Shiyoshi Yokoyama

2020 Optical Fiber Communication Conference (OFC)  2020.3 

Polymer based high-speed optical transmitter beyond 100 Gbit/s for telecommunications Invited International conference

Shiyoshi Yokoyama

The 13th MANA International Symposium 2020  2020.3 

High-thermal stable poly(norbornene-dicaboxyimide) for electro-optic polymer modulator International conference

Alisa Bannaron, Andrew M. Spring, and Shiyoshi Yokoyama

Photonics West 2020  2020.2 

Efficient 110 Gbit/s OOK transmitter using silicon hybrid polymer modulator International conference

Shiyoshi Yokoyama, Xiaoyang Cheng, Feng Qiu, Andrew M. Spring, Guo-wei Lu, Ysubasa Kashino, Juro Ooshima, Masaaki Ozawa, and Hideyuki Nawata

45th Europian Conference on Optical Communication (ECOC2019))  2019.9 

110Gbit/s on-off-keying transmitter based on an electro-optic polymer modulator Invited International conference

Shiyoshi Yokoyama, Gue-Wei Lu, and Feng Qiu

KJF-ICOMEP 2019  2019.9 

DAC-less PAM4 transmitter using electro-optic polymer dual-drive Mach-Zehnder modulator with imbalanced binary driving electronics International conference

Guo-Wei Ly, Jianxun Hong, Hongbo Zhang, Feng Qiu, and Shiyoshi Yokoyama

CLEO2019  2019.5 

110 Gbit/s On-Off-Keying based on High Temperature Resistant Polymer Modulator Invited International conference

Shiyohi Yokoyama

ECIO 2019 (24th Europian Conference on Integrated Optics)  2019.4 

Long-term Stable Electro-optic Polymers for Hybrid Integration Invited International conference

Shiyoshi Yokoyama, Guo-Wei Lu, Xiaoyang Cheng, Feng Qiu

2019 Optical Fiber Communication Conference and Exhibition (OFC)  2019.3 

110 Gbit/s On-off Keying Transmission Based on a Single-drive Polymer Modulator International conference

Shiyoshi Yokoyama, Guo-Wei Lu, Xiaoyang Cheng, Feng Qiu, Andrew M. Spring

2019 Optical Fiber Communication Conference and Exhibition (OFC)  2019.3 

１００Gbit/s光伝送を実現するEOポリマー変調器の開発 Invited

横山士吉

第７０回PST-net  2019.2 

Demonstration of video data transmittion using high-speed hybrid EO polymer modulator International conference

Xiaoyang Cheng, and Shiyoshi Yokoyama

2019 Photonics West  2019.2 

Electro-optic (EO) polymer with highly thermal stable norbornene-based polymer backbone International conference

Alisa Bannaron, Andrew M. Spring and Shiyoshi Yokoyama

2019 Photoncis West  2019.2 

Beyound 110Gbit/s OOK & PAM4 signaling using a single drive hybrid silicon and polymer modulator Invited International conference

Shiyoshi Yokoyama

The 8th International Symposium on Photonics and Electronics Convergence (ISPEC2018)  2018.12 

１００Gbit/s 光伝送を実現するEOポリマー変調器の開発 Invited

横山士吉

第４１回ポリマー光部品(POF)研究会  2018.11 

High temperature electro-optic polymer using norbornene-dicaboximide International conference

A. Bannaron, A. M. Spring, and S. Yokoyama

International Workshop on Photonics Polymer for Innovation (IWPPI)  2018.10 

Optimization of hybrid silicon and polymer EO modulator for wideband application International conference

x. Cheng and S. Yokoyama

Inernational WOrkshop on Photonics Polymer for Innovation  2018.10 

High Temperature Resistant 112 Gbit/s PAM4 Modulator Based on Electro-optic Polymer Modulator International conference

S. Yokoyama, G. -W Lu, H. Miura, Q. Feng, and A. M. Spring

44th Europian COnference on Optical Communication (ECOC)  2018.9 

Record high temperature stable electro-optic polymer modulator for 50 Gbps transmission Invited International conference

Shiyoshi Yokoyama

IUMRS-ICEM 2018  2018.8 

High-Q Si3N4 ring resonator fabrication with low temperature LSCVD method International conference

Xiaoyang Cheng and Shiyoshi Yokoyama

IUMRS-ICEM  2018.8 

Development of norbornene-dicarboximide based organic electro-optic polymers International conference

Alisa Bannaron, Andrew M. Spring, and Shiyoshi Yokoyama

IUMRS-ICEM 2018  2018.8 

Electro-optic Modulators Further than 100 Gbps International conference

Feng Qiu, and Shiyoshi Yokoyama

CLEO Pacific RIM  2018.8 

Temperature stable hybrid silicon and electro-optic polymer modulator International conference

Shiyoshi Yokoyama, Hiroki Miura, Qiu Feng, and Andrew M. Spring

Advanced Photonics Congress  2017.7 

EOポリマーを用いた100Gbit/s光変調器 Invited

横山士吉

電子情報通信学会　レーザ・量子エレクトロニクス研究会  2018.7 

96 Gbit/s PAM-4 Generation using an Electro-Optic Polymer Modulator with High Thermal Stability

Shiyoshi Yokoyama, G. W. Lu, H. Miura, Q. Feng, Andrew Mark Spring

2018 Conference on Lasers and Electro-Optics, CLEO 2018  2018.8 

Demonstration of long-term thermal stability of a Silicon-Organic Hybrid (SOH) Modulator at 85 °C International conference

2018.5 

96 Gbit/s PAM-4 generation using an electro-optic polymer modulator with high thermal stability International conference

S. Yokoyama, G.-W. Lu, H. Miura, Q. Feng, A. M. Spring

CLEO2018  2018.5 

Demonstration of Long-Term Thermal Stability of a Silicon-Organic Hybrid (SOH) Modulator at 85°C

2018.8 

熱安定性EOポリマーを用いた40 GHz ポリマー変調器の作製

#三浦 裕貴, 横山 士吉

第６５回応用物理学会春期学術講演会  2018.3 

Si/LiNbO3ハイブリッド導波路の作製と位相変調特性

#吉冨 健太, Qiu Feng, 横山 士吉

第６５回応用物理学会春期学術講演会  2018.3 

Bragg Grating Coupled High Q-Factor Ring Resonator　using Liquid Source CVD Deposited Si3N4 Film at 150°C

＃Xiaoyang Cheng, Shiyoshi Yokoyama

第６５回応用物理学会春期学術講演会  2018.3 

Temperature stable electro-optic polymer modulators using high Tg polymer matrix International conference

Hiroki Miura, Shiyoshi Yokoyama

Photonics West 2018  2018.1 

Temperature stable electro-optic polymer modular on hybrid silicon Mach-Zehnder interferometer International conference

Shiyoshi Yokoyama, Hiroki Miura, Feng Qiu, Andrew M. Spring

Photonics West 2018  2018.1 

Design and fabrication of Bragg-grating-coupled high Q-factor ring resonator using liquid-source CVD-deposited Si3N4 film at 150°C,

2018.1 

Efficient silicon nitride grating coupler with a dielectric multilayer reflector International conference

J. Hong, and S. Yokoyama

MOC2017  2017.11 

Bragg grating coupled high Q factor ring resonator using LSCVD deposited Si3N4 film International conference

X. Cheng and S. Yokoyama

MOC2017  2017.11 

Hybrid ultra thin silicon and electro-optic polymer waveguide modulator International conference

Y. Inoue, H. Miura, and S. Yokoyama

MOC2017  2017.11 

Enhanced thermal stability of electro-optic polymer modulator International conference

H. Miura and S. Yokoyama

MOC2017  2017.11 

Temperature stable electro-optic polymer modulator using ultra-thin silicon waveguide International conference

Shiyoshi Yokoyama, Hiroki Miura, QIU FENG, Andrew Mark Spring

CREO 2017  2017.5 

低電圧・広帯域動作のEOポリマー変調器の現状 Invited

横山　士吉, QIU FENG, Spring Andrew, 佐藤洸, 三浦裕貴, 井上千徳

2017電子情報通信学会  2017.3 

EOポリマーを用いた光変調器の作製と熱安定性(105C)試験

三浦裕貴, 横山　士吉

第64回応用物理学会  2017.3 

Fabrication of high Q-factor ring resonator using LSCVD Si3N4 film

Shiyoshi Yokoyama, Xiaoyang Chen

2017.3 

Si3N4/EOポリマー光変調器の作製と低電圧動作

佐藤洸, 横山　士吉

第64回応用物理学会  2017.3 

Preparation of temerature-stable electro-optic polymer waveguide modulators International conference

Hiroki Miura, Kazuhiro Yamamoto, Shiyoshi Yokoyama

Photonics West 2017  2017.2 

Broadband hybrid electro-optic polymer device o silicon Mach-Zhender modulator International conference

Shiyoshi Yokoyama, Hiroki Miura, Hiromu Sato, QIU FENG, Andrew Mark Spring

Photonics West 2017  2017.2 

Inproved thermal stability of electro-optic polymer waveguide by adamantyl poly(methyl methacrylate) International conference

Shiyoshi Yokoyama, Hiroki Miura

ICNME2016  2016.12 

Spiral shaped MZI modulator using EO polymer International conference

Hiromu Sato, Shiyoshi Yokoyama

ICNME2016  2016.12 

High Q-factor ring resonator realized in silicon nitride and oxynitride waveguides technology International conference

Xiaoyang Chen, Shiyoshi Yokoyama

ICNME2016  2016.12 

Electro-optic polymer modulator toward silicon photonics integration Invited International conference

Shiyoshi Yokoyama

ICFPAM2-16  2016.11 

Electro-optic polymer waveguide modulator using MMI coupler International conference

Hiromu Sato, Kazuhiro Yamamoto, Shiyoshi Yokoyama

ICFPAM2016  2016.11 

Preparation of high Tg EO polymer and evaluation of tempral stability International conference

Hiroki Miura, Kazuhiro Yamamoto, Shiyoshi Yokoyama

ICFPAMA2016  2016.11 

HIgh Q-factor Si3N4 ring resonator International conference

Xiaoyang Cheng, Shiyoshi Yokoyama

ICFPAMA2016  2016.11 

Single-mode optical device interconnection by using two-photon absorption light induced self-written waveguide International conference

Freddy Tan, Hidetaka Tarasawa, Okihito Sugihara, Akari Kawasaki, Tatsuya Yamashita, Daisuke Inoue, Manabu Kagami, Oliver Maury, Yann Bretonniere, Chantal Andraud, Shiyoshi Yokoyama

International Workshop on Photonics Polymer for Innovation  2016.10 

Preparation of highly refined high Tg EO polymer and waveguide International conference

Hiroki Miura, Kazuhiro Yamamoto, Shiyoshi Yokoyama

International Workship of Photonics Polyemer for Innovation  2016.10 

Bias-controlled electro-optic polymer waveguide modualtor International conference

Hiromu Sato, Kazuhiro Yamamoto, Shiyoshi Yokoyama

International Workshop of Photonics Polymer for Innovation  2016.10 

SUb-1-volt and 40 GHz modulator by hybrid EO polymer and Si waveguide International conference

Shiyoshi Yokoyama, Yukinori Inoue, Hiromu Sato, Hiroki Miura, QIU FENG, Tsubasa Kashino, Takamasa Kikuchi, Masaaki Ozawa, Hideyuki Nawata, Keisuke Odoi

International Workshop of Photonics Polymer for Innovation  2016.10 

Si3N4/EOポリマーハイブリッド型光変調器

佐藤 洸, 山本 和広, 横山　士吉

第７７回応用物理学会  2016.9 

Hybrid electro-optic polymer modulator compatible to silicon photonic waveguide Invited International conference

Shiyoshi Yokoyama

SPIE Optics+Photonics  2016.9 

Synthesis of temperature stable electro-optic polymer waveguide modulator application International conference

Hiroki Miura, Kazuhiro Yamamoto, Shiyoshi Yokoyama

SPIE Optics+Photonics  2016.8 

Hybrid SiN?EO polymer Mach-Zhender modulator International conference

Hiromu Sato, Kazuhiro Yamamoto, Hiroki Miura, Shiyoshi Yokoyama

SPIE Optics+Photonics  2016.9 

Hybrid Silicon and EO Polymer Waveguide Modulator for High Bandwidth Application International conference

Shiyoshi Yokoyama, QIU FENG, Andrew Mark Spring, Hiromu Sato, Hiroki Miura, Yukinori Inoue

OSA Advanced Photonics COngress  2016.7 

Preparation of the EO polymer containing adamantyl group and its thermal stability

Hiroki Miura, Kazuhiro Yamamoto, Shiyoshi Yokoyama

2016.5 

Electro-optic polymer waveguide modulator using MMI coupler International conference

Hiromu Sato, Kazuhiro Yamamoto, Shiyoshi Yokoyama

9th International Symposium on Organic Molecular Elactronis  2016.5 

Hybrid ultra-thin silicon and electro-optic polymer waveguide modulator International conference

Yukinori Inoue, Hiroki Miura, Shiyoshi Yokoyama

9th Inernational Symposium on Organic Molecular Electronics  2016.5 

Hybrid silicon and EO polymer waveguide modulaor for high bandwidth application Invited International conference

Shiyoshi Yokoyama, Andrew Mark Spring, Hiromu Sato, Hiroki Miura

9th Inernational Symposium on Organic Moelcualr Electronics  2016.5 

Highly refined high Tg EO polymer wavegide for thermal stabilization International conference

Hiroki Miura, Kazuhiro Yamamoto, Shiyoshi Yokoyama

9th International Symposium on Organic Moelecular Electronics  2016.5 

Si3N4 / EOポリマーMZI変調器

佐藤 洸, 石野　雅章, 山本 和広, 横山　士吉

第62回応用物理学会  2016.3 

ドナー電子増強型FTC系EOポリマー変調モジュールの信頼性評価

高野 真悟, 石川 佳澄, 伊藤 孝知, 本谷 将之, 日隈 薫, 市川 潤一郎, 横山　士吉, 前田 大輔, 小澤 雅昭, 大友 明

第62回応用物理学会  2016.3 

微小リング共振器と導波路間の結合状態評価

小野 裕介, 石野　雅章, 横山　士吉, 岡本 亮, 竹内 繁樹

第62回応用物理学会  2016.3 

Electro-optic polymer for ultra fast optical modulator Invited International conference

Shiyoshi Yokoyama

10th International COnference on Optics-photonics Design and Fabrication  2016.3 

Hybrid EO polymer modulator to CMOS compatible waveguides Invited International conference

Shiyoshi Yokoyama

SPIE Photonics West 2016  2016.2 

Low-loss hybrid ultra-thin silicon and polymer waveguide and modulator application International conference

Shiyoshi Yokoyama

SPIE Photonics West 2016  2016.2 

Fabrication of No-bias MMI-MZI Modulator Based on EO Polymer International conference

Hiromu Sato, Kazuhiro Yamamoto, Shiyoshi Yokoyama

The 15th Microoptics Coference  2015.10 

Hybrid Thin Slicon Nitride and Electro-optic polymer Waveguide Modulators International conference

Masaaki Ishino, Shiyoshi Yokoyama

The 15th Microoptics Coference  2015.10 

Electro-optic Side-chain Polymers Containing Adamantyl Groups and Hih-hyperpolar Chromophores vis the Huisgen Reaction and their Optical properties International conference

Shogo Takeuchi, Andrew Spring, Kazuhiro Yamamoto, Shiyoshi Yokoyama

The 15th Microoptics Coference  2015.10 

Electro-optic polymer modulatoer for low-driving voltage and large bandwidth application Invited International conference

Shiyoshi Yokoyama

2015 CRL Forum International  2015.10 

電気光学ポリマー：先端研究と実用化 Invited

横山士吉

東京工業大学繊維工学科創立60周年記念シンポジウム  2015.10 

シリコン導波路とポリマー融合による新しい光デバイスの作製 Invited

横山士吉

第64回高分子討論会  2015.9 

ハイブリッド有機・シリコン光導波路の応用 Invited

日本学術振興会「先端ナノデバイス・材料テクノロジー第１５１委員会」  2015.7 

FTCを主骨格とする電気光学色素/ポリマーの分散特性と光学評価

三浦裕喜, SPRING ANDREW, 山本 和広, 横山士吉

第64回高分子学会年次大会  2015.5 

全ポリマーEO導波路の作製

佐藤洸, 山本 和広, 横山士吉, 安井圭, 小澤雅昭, 大土井啓祐, 大友明

第64回高分子学会年次大会  2015.5 

クリック反応を用いたサイドチェーン型電気光学ポリマーの合成と光学特性

竹内将吾, SPRING ANDREW, 山本 和広, 横山士吉

第64回高分子学会年次大会  2015.5 

電気光学ポリマーを用いたハイブリッド導波路変調器の応用 Invited

電子情報通信学会　2015年総合大会  2015.3 

高屈折率光導波路を用いたハイブリッドEOポリマー変調器 Invited

第31回ポリマー光部品(POC)研究会  2015.3 

Hybrid TiO2 strip-line/electro-optic polymer waveguide optical modulator International conference

Shiyoshi Yokoyama

Photonic West 2015  2015.2 

電気光学ポリマー光デバイス－ハイブリッド型光導波路による高性能化に向け－ Invited

第２２回シリコンフォトニクス研究会  2015.1 

Electro-optic polymer for high-speed and low driving voltage modulator application Invited International conference

Shiyoshi Yokoyama

EMN Meeting on Polymer  2015.1 

電気光学ポリマー光変調器の新展開 Invited

応用物理学会九州支部  2014.12 

Recent Innovations in Electro-optic Polymeric Materials and Chromophore Design International conference

Andrew M. Spring, Shiyoshi Yokoyama

IPC2014  2014.12 

Preparation of the High-performance Electro-optic Polymer by the Highly soluble Chromophore

Hiroki Miura, Andrew M. Spring, Kazuhiro Yamamoto, Shiyoshi Yokoyama

IPC2014  2014.12 

Synthesis of End-cap EO Polymer by ATRP International conference

Naoyuki Hayashi, Andrew M. Spring, Kazuhiro Yamamoto, Shiyoshi Yokoyama

IPC2014  2014.12 

Electro-optic Polymer/Titanium Dioxide Hybrid Modulators International conference

Qiu Feng, Shiyoshi Yokoyama

IPC2014  2014.12 

Integration of EO Polymers and Silicon Nitride Waveguide for Optical Switching Applications International conference

Masaaki Ishino, Kazuhiro Yamamoto, Qiu Feng, Shiyoshi Yokoyama

IPC2014  2014.12 

Recent Progress of Electro-optic Polymers and Optical Modulators for Telecommunications Invited International conference

Shiyoshi Yokoyama

IPC2014  2014.12 

Electro-optic polymer modulator fro low-driving voltage and large bandwidth applicaions Invited International conference

Shiyoshi Yokoyama

The 14th International SYmposium on Advanced Organic Photonics  2014.11 

Electro-optic polymer modulator with low-driving voltage and high-bandwidth toward high-refractive index waveguide platform International conference

Shiyoshi Yokoyama

27 IEEE photonics conference, IPC 2014  2014.10 

Si3N4/EO ポリマー光導波路の作製と光変調特性

石野 雅章, QIU FENG, 山本 和広, 横山 士吉

第75回応用物理学会秋季学術講演会  2014.9 

Electro-optic Polymer / Titanium Dioxide Hybrid Modulators

2014.9 

TiO2／EO ポリマー細線光導波路の電気光学特性

QIU FENG, 横山 士吉, 前田大輔, 小澤雅昭, 大土井啓祐, 大友　明

第75回応用物理学会秋季学術講演会  2014.9 

ATRP法を用いた高性能電気光学ポリマーの合成制御と評価

林 直志, SPRING ANDREW, 山本 和広, 横山 士吉

第６３回高分子学会年次大会  2014.5 

Recent Innovations in Electro-optic Polymeric Materials and Chromophore Design

2014.5 

EOポリマーを用いた窒化シリコン光導波路スイッチへの応用

石野 雅章, 山本 和広, 横山 士吉

第６３回高分子学会年次大会  2014.5 

EOポリマー光変調器の開発と最新動向 Invited

Shiyoshi Yokoyama, QIU FENG, SPRING ANDREW, Kazuhiro Yamamoto, 石川佳澄, 細川洋一, 本谷将之, 及川哲, 市川潤一郎, 前田大輔, 安井圭, 小澤雅昭, 大友明

電子情報通信学会　2014年総合大会  2014.3 

EOポリマー光変調器の開発と最新動向 Invited

Shiyoshi Yokoyama, QIU FENG, SPRING ANDREW, Kazuhiro Yamamoto, 石川佳澄, 細川洋一, 本谷将之, 及川哲, 市川潤一郎, 前田大輔, 安井圭, 小澤雅昭, 大友明

電子情報通信学会　2014年総合大会  2014.3 

低駆動電圧動作のEOポリマー光導波路の作製

Shiyoshi Yokoyama, Kazuhiro Yamamoto, Feng Yu, SPRING ANDREW, 前田大輔, 安井圭, 小澤雅昭, 石川佳澄, 細川洋一, 本谷将之, 及川哲, 市川潤一郎, 大友明

第61回応用物理学会春季学術講演会  2014.3 

EOポリマー光導波路デバイスのミリ波動作

細川洋一, 本谷将之, 石川佳澄, 及川哲, 市川潤一郎, Kazuhiro Yamamoto, Shiyoshi Yokoyama, 前田大輔, 安井圭, 小澤雅昭, 大友明

電子情報通信学会　2014年総合大会  2014.3 

ドナー電子増強型FTC系EOポリマー光導波路デバイスの高周波動作

石川佳澄, 細川洋一, 本谷将之, 及川哲, 市川潤一郎, Kazuhiro Yamamoto, Shiyoshi Yokoyama, 前田大輔, 安井圭, 小澤雅昭, 大友 明

第61回応用物理学会春季学術講演会  2014.3 

High-refractive index core/EO polymer cladding waveguide for 100 pm/V modulator International conference

Shiyoshi Yokoyama, Qiu Feng, Andrew M. Spring, Yu Feng, Kazuhiro Yamamoto

Photonic West 2014  2014.2 

有機EOポリマーによる光通信用光速スイッチ Invited

第130回微小光学研究会  2013.12 

電気光学ポリマーを使った光導波路スイッチへの応用

電子情報通信学会　光通信システム研究会  2013.10 

Fabrication of EO polymer modulator with so-gel SiO2/carbon nanotube clad layer

YU FENG, Kazuhiro Yamamoto, Shiyoshi Yokoyama

2013.9 

TiO2/EO polymer waveguide modulator

Qiu Feng, Shiyoshi Yokoyama

2013.9 

A Novel TiO2/electro-optic polymer waveguide modulator International conference

Qiu Feng, Isao Aoki, Akira Otomo, Shiyoshi Yokoyama

JSAP-OSA Joint Symposia 2013  2013.9 

Organic electro-optical modulator with sol-gel SiO2/carbon nanotube clad layer International conference

Yu Feng, Kazuhiro Yamamoto, Shiyoshi Yokoyama

JSAP-OSA Joint Symposia 2013  2013.9 

Polymer electro-optic modulator with enhanced optical activity

Qiu Feng, Isao Aoki, Akiro Otomo, Shiyoshi Yokoyama

2013.9 

Fabrication of electro-optic modulator with sol-gel silica/carbon nanotube clad layer

Yu Feng, Qiu Feng, Shiyoshi Yokoyama

2013.9 

EO polymer waveguide for 100 pm/V odulator applications Invited International conference

Shiyoshi Yokoyama

The 13th International Symposium on Advanced Organic Photonics (ISAOP-13)  2013.9 

高性能電気光学ポリマーの現状と今後の展望 Invited

横山 士吉

光材料・応用技術研究会  2013.8 

Straightforward electro-optic polymer/TiO2 optical modulator Invited International conference

Qiu Feng, Shiyoshi Yokoyama

SPIE Optics+Photonics  2013.8 

Electro-optic polymer waveguide Invited International conference

Shiyoshi Yokoyama

The International Workshop on New Science and Technologies using Entangled Photons  2013.7 

Titanium Dioxide/electro-optic Polymer Hybride Rib-waveguide Modulator International conference

QIU FENG, Shiyoshi Yokoyama

CLEO-PR & OECC/PS 2013  2013.7 

Fabrication and Aplication of Structured Nanofiber on Chip International conference

Kazuhiro Yamamoto, Shiyoshi Yokoyama, Akira Otomo

CLEO-PR & OECC/PS 2013  2013.7 

0.018pm/C Athermal Silicon Nitride Ring Resonator by Polymer Cladding International conference

Shiyoshi Yokoyama, QIU FENG, YU FENG, SPRING ANDREW, Kazuhiro Yamamoto

CLEO-PR & OECC/PS 2013  2013.7 

インプレーン型電極を備えた電気光学ポリマー光導波路の作製

山本 和広, Lu Li, 横山 士吉

第60回応用物理学会春季学術講演会  2013.3 

Electro-optic waveguide with conductive chromophore containied polymer cladding International conference

2013 Photonics West  2013.2 

Polymer cladding silicon-nitride ring resonator for athermal waveguide application International conference

2013 Photonics West  2013.2 

On-chip superforcusing of surface plasmon using metal-coat tapered optical fiber pairs with nano-gap structure International conference

2013 Photonics West  2013.2 

ポリマー変調器の最前線および光インターコネクトへの応用 Invited

光産業技術振興協会　フォトニックデバイス・応用技術研究会  2013.1 

Norbornene Polymer Brush for Electro-optic Application International conference

ICNME 2013  2012.12 

Fabrication of optical waveguide structure with in-plane electrode for high performance electro-optic polymer International conference

ICNME 2012  2012.12 

Synthesis and Characterization of Chromophore Functionalized Electro-optical Malecimide Polymers for Optical Device Application International conference

The 9 the SPSJ Int. Poly. Conf.  2012.12 

Fabrication of 100 nm scale polymer/silicon nitride hybrid waveguides for silicon photonics application International conference

The 9 the SPSJ Int. Poly. Conf.  2012.12 

High Tg Living Polymers via ROMP as Hosts for Electro-optic Applications International conference

The 9 the SPSJ Int. Poly. Conf.  2012.12 

有機分子の材料化、機能化光導波路、非線形光学、及びSiフォトニクス融合への展開 Invited

横山士吉、山本和広、Feng Qui, Feng Qui, and A. M. Spring

2012年秋季応用物理学会学術講演会  2012.9 

Organic Material and Silicon Nitride Hybrid Nano-waveguides for Enhanched Optoelectric Application Invited International conference

Shiyoshi Yokoyama, Yu Feng, Qui Feng, and Kazuhiro Yamamoto

KJF International COnference on Organic Materilas for Electronic and Photonics  2012.8 

Mode Selection in Polymer Waveguide for Wavelength Filter Application International conference

Feng Qui, Feng Yu Kazuuro Yamamoto, and Shiyoshi Yokoyama

KJF International COnference on Organic Materilas for Electronic and Photonics  2012.8 

Athermal Resonant Controle of SIlicon Nitride Slot RIng Resonators by Overlaying a Polymer Cladding International conference

Feng Yu, Yue Jia, and Shiyoshi Yokoyama

KJF International COnference on Organic Materilas for Electronic and Photonics  2012.8 

Novel Optical Polymer Host via Ring Opening Metahesis Polymerization

A. Spring, Y. Jia, F. Yu, S. Yokoyama

2012.5 

Enhanced Electro-optic Properties of Binary Chromophore System Using Novel Polymer Brush as Host

U. Jia, S. Yokoyama

2012.5 

Nonlinear Optical Properties of Norbornene Polymer Brush containing Azobenzene Chromophore International conference

M&BE 2013  2013.3 

低抵抗率ポリマークラッドを用いた電気光学ポリマー導波路の評価

山本和広，於豊，横山士吉，大友明，安井圭，小澤雅昭

第59回応用物理学会  2012.3 

テーパーファイバ対によるナノギャップ構造の作製

山本和広，大友　明，横山士吉

第59回応用物理学会  2012.3 

Two-photon absorption of the nonlinear optical chromophore/polymer on SiN slot waveguide International conference

Shiyoshi Yokoyama, Feng Yu, Kazuhiro Yamamoto

SPIE Photonics West 2012  2012.1 

超高速光デバイスへの応用に向けた電気光学ポリマーの開発 Invited

横山士吉

電子情報通信学会　第21回ポリマー光回路研究会  2011.10 

超高速光通信用の高性能ポリマーとナノフォトニックデバイスへの応用 Invited

横山士吉

日本学術振興会　情報科学用有機材料第142委員会　C部会(有機エレクトロニクス）第46回研究会  2011.9 

Enhanced Molecular Hyperpolarizability of FTC-based Chromophore and EO Polymer Application Invited International conference

S. Yokoyama, I. Aoki, Y. Feng, Y. Mori, A. Otomo, and K. Yamamoto

ICONO12  2011.9 

Fabrication of Multimode Intererence-Mach Zender Modulators using Electro-optic Polymer International conference

F. Yu, K. Yamamoto, and S. Yokoyama

ICONO12  2011.9 

Synthesis of EO Hyperbrnached Polymer having HIgh Glass Transition Temperature and Temporal Stability International conference

Y. Mori, I Aoki, X. Piao, A. Otomo, K. Yamamot, and S. Yokoyama

ICONO12  2011.9 

超高速光変調のための電気光学ポリマーの開発 Invited

横山士吉

ポリマーフォトニクス研究会・高分子学会  2011.6 

光電気光学特性を有するポリマーコア・リッジ型光導波路の検討

山本和宏、小山佳祐、横山士吉、青木勲、井上振一郎、大友明、安井圭、小澤雅昭

第58回応用物理学会  2011.3 

Enhancement of Electro-optic Property in Hyperbranched Polymer Host International conference

Yuichi Mori, Xianquing Piao, Kazuhiro Yamamoto, Shiyoshi Yokoyama, and Akira Otomo

9th MBE  2011.3 

Design of Multimode Interference EO Polymer Switching Device International conference

Feng Yu, Kazuhiro Yamamoto, Xianquing Piao, and Shiyoshi Yokoyama

9th MBE  2011.3 

Fabrication of Metal Nano-gap Structures Consist of Tapered Fiber Pair for Optical Molecular Excitation International conference

Kazuhiro Yamamoto, Akira Otomo, and Shiyoshi Yokoyama

9th MBE  2011.3 

Nonlinear properties improvement for TFC-based chromophor by a donor modification route International conference

X. Piao, Y. Mori, F. Yu, K. Yamamoto, S. Yokoyama, H. Miki, I. Aoki, and A. Otomo

9th ICNME  2010.12 

Superfocusing of surface plasmons using waveguide-based SOI structures International conference

K. Yamamoto, S. Yokoyama, J. Takahara, and A. Otomo

9th ICNME  2010.12 

Design of multimode interference EO polymer switching device International conference

F. Yu, K. Yamamoto, X. Piao, and S. Yokoyama

9th ICNME  2010.12 

Donor strengthening strategy for FTC-based organic nonlinear chromophore International conference

X. Piao, X. Zhang, S. Yokoyama, and . Otomo

SPIE/COS, Photonics Asia  2010.10 

新規ドナー構造による有機色素の電気光学応答の増大効果

大友明、青木勲、X. Piao、井上振一郎、田沢英久、横山士吉

第７１回応用物理学会  2010.9 

Donor strengthening investigation for FTC-based organic nonlinear chromophore International conference

X. Piao, S. Yokoyama, H. Miki, I. Aoki, and A. Otomo

KJF International Conference on Organic Materials for Electronic and Photonics  2010.8 

Electro-optic property and thermal stability of non-near optical hyper-branched polymers International conference

Y. Mori, X. Piao, and S. Yokoyama

KJF International COnference on Organic Materials for Electronics and Photonics  2010.8 

Conventional MMA-based side-chain polymers with high electrooptic activity for device fabrication International conference

S. Yokoyama, X. Piao, X. Zhang, S. Inoue, and K. Keisuke

SPIE Optics+Photonics  2010.8 

超高速電気光学ポリマーを目指した光導波路作製 Invited

横山士吉

北九州産学学術推進機構講演会  2010.7 

電気光学ポリマーの進展と超高速変調IT技術への応用 Invited

横山士吉

第４７回化学関連支部合同九州大会  2010.7 

電気光学ハイパーブランチポリマーの光学特性と安定性の評価

森 裕一, 朴 賢卿, 井上 振一郎, 横山 士吉, 青木 勲, 大友 明

第59回高分子学会年次大会  2010.5 

超高速ポリマー光変調器を目指した光導波路中EOポリマーのポーリング効率の解析

小山 佳祐, 井上 梓, 朴 賢卿, 井上 振一郎, 横山 士吉, 青木 勲, 大友 明

第59回高分子学会年次大会  2010.5 

ハイパーブランチポリマーを用いた高効率EO材料の開発

中屋 晃成, 小山 佳祐, 朴 賢卿, 井上 振一郎, 横山 士吉, 青木 勲, 大友 明

第59回高分子学会年次大会  2010.5 

低電力・超高速光変調器を目指した高効率電気光学ポリマーの開発 Invited

横山士吉

日本化学会第90春年会  2010.3 

Hyperbranched Polymer for Electro-optic (EO) and Photonic Crystal Applications Invited International conference

S. Yokoyama, X. Piao, A. Inoue, X. Zhang, S. Inoue

SPIE, Photonic West  2010.1 

超高速ポリマー光スイッチング材料・デバイスの開発 Invited

横山士吉

平成21年度　九州大学総理工セミナー  2009.12 

Development of Electro-Optic Polymers for Ultra-Fast Optical Switching Applications in Information and Communications Technology International conference

S. Yokoyama

The 2nd International Symposium on Chemistry of Organic & Polymer Materials for Ubiquitus ICT -Optoelectronic Applications-  2009.11 

Electro-Optic (EO) Host-Guest Hyperbranched Polymer over 100 pm/V Invited International conference