空間モード多重度の飛躍的な増加のための空間単一次元モード合分波基礎技術の研究
キーワード:空間モード、合分波器、モード多重
2019.04~2019.06.



姜 海松(きよう かいしよう) | データ更新日:2022.07.20 |

主な研究テーマ
高速・3次元集積型光モードスイッチ
キーワード:3次元,モードスイッチ
2015.08~2016.07.
キーワード:3次元,モードスイッチ
2015.08~2016.07.
モード多重伝送に向けた導波路型高次モード合分波器の研究
キーワード:モード多重、導波路、合分波器
2015.04~2017.03.
キーワード:モード多重、導波路、合分波器
2015.04~2017.03.
高機能光電子融合型パケットルータ基盤技術の研究開発
キーワード:光通信、光電融合型パケットルータ、光スイッチ
2014.05.
キーワード:光通信、光電融合型パケットルータ、光スイッチ
2014.05.
革新的光通信インフラの研究開発
キーワード:光通信、マルチモード伝送、高次モード光源
2014.05.
キーワード:光通信、マルチモード伝送、高次モード光源
2014.05.
次世代光ルータ用光RAM素子の研究
キーワード:光通信、光ルータ、光RAM
2007.04~2011.03.
キーワード:光通信、光ルータ、光RAM
2007.04~2011.03.
従事しているプロジェクト研究
全光パケットルータ実現のための光RAMサブシステムの研究開発
2006.08~2011.08, 代表者:濱本貴一, 九州大学, 情報通信研究機構
将来のルータの主流になると期待される全光パケットルータを実現する上で不可欠である、非同期光信号で入出力可能な光RAMサブシステムを実現する基本技術を確立し、プロトタイプの作製により技術的可能性を検証する。.
2006.08~2011.08, 代表者:濱本貴一, 九州大学, 情報通信研究機構
将来のルータの主流になると期待される全光パケットルータを実現する上で不可欠である、非同期光信号で入出力可能な光RAMサブシステムを実現する基本技術を確立し、プロトタイプの作製により技術的可能性を検証する。.
高機能光電子融合型パケットルータ基盤技術の研究開発
2011.09, 代表者:濱本貴一, 九州大学, 情報通信研究機構.
2011.09, 代表者:濱本貴一, 九州大学, 情報通信研究機構.
革新的光通信インフラの研究開発
2011.09, 代表者:浜本 貴一, 九州大学, 情報通信研究機構
エクサビット級の光通信技術を目的とした高次モードデバイスの研究開発.
2011.09, 代表者:浜本 貴一, 九州大学, 情報通信研究機構
エクサビット級の光通信技術を目的とした高次モードデバイスの研究開発.
研究業績
主要原著論文
1. | Haisong Jiang, Yasuhiro Hinokuma, Sampad Ghosh, Ryota Kuwahata, and Kiichi Hamamoto, Concept Demonstration of 3D Waveguides Shuffle Converter for Multi-Core Fiber/Single-Mode Fiber Fan-in Fan-out Configuration Toward Over 1,000 Port Count, IEICE TRANSACTIONS ON ELECTRONICS, 10.1587/transele.2020ECS6002, E104C, 1, 34-36, 2021.01. |
2. | Kiichi Hamamoto, Haisong Jiang, Mode selective active multimode interferometer laser diode - Mode selection principle, and high speed modulation, IEICE Transactions on Electronics, 10.1587/transele.2018ODI0003, E102C, 4, 364-370, 2019.04, [URL], We have proposed and demonstrated a mode selective active-MMI (multimode interferometer) laser diode as a mode selective light source so far. This laser diode features; 1) lasing at a selected space mode, and 2) high modulation bandwidth. Based on these, it is expected to enable high speed interconnection into future personal and mobile devices. In this paper, we explain the mode selection, and the high speed modulation principles. Then, we present our recent results concerning high speed frequency response of the fundamental and first order space modes.. |
3. | Kiichi Hamamoto, and Haisong Jiang, Active-MMI laser diode toward high-speed direct modulation based on multiple photon-photon resonance, SPIE 10682, Semiconductor Lasers and Laser Dynamics VIII, 106820X, 10.1117/12.2306018, 2018.05. |
4. | B. Hong, T. Kitano, T. Mori, Haisong Jiang, K. Hamamoto, Bandwidth enhancement scheme demonstration on direct modulation active-MMI laser diode using multiple photon photon resonance, Applied Physics Letters, 10.1063/1.5005070, 111, 22, 2017.11, [URL], By introducing properly designed multiple photo photon resonances (PPRs) on an active-Multimode Interferometer Laser Diode, the confirmed direct modulation bandwidth was enhanced from less than 5 GHz to at least 34 GHz. Multiple oscillating cavities that have slightly different free space ranges (FSRs) are integrated within a single device. The overlap between such FSRs contributes to multiple wavelength differences that are directly related to the PPR frequencies. Evaluated PPR frequencies from experimental data match with designed frequencies. The potential of the 100 GHz level bandwidth of the device has been proved.. |
5. | Bingzhou Hong, Kitano Takuya, Haisong Jiang, Akio Tajima, and Kiichi Hamamoto, , First demonstration of mode selective active multimode interferometer laser diode, IEICE Transaction on Electronics, E100-C, 10, 775-781, 2017.10. |
6. | Haisong Jiang, Ryan Imansyah, Luke Himbele, Shota Oe, and Kiichi Hamamoto, Fast mode-switching (60 ns) by using 2 x 2 silicon optical mode switch, IEICE Transaction on Electronics, E100-C, 10, 782-788, 2017.10. |
7. | 浜本 貴一, 姜 海松, 空間1次元モード間多モード干渉現象(multi-mode interference)を利用したアクティブデバイス, 電子情報通信学会論文誌, J100-C, 2, 72-81, 2017.02. |
8. | A. S. Idris, Haisong Jiang, Kiichi Hamamoto, Accurate dry etching technique for germanium waveguide by using CHF3 based inductively coupled plasma, Electronics Letters, 10.1049/el.2016.2846, 52, 22, 1868-1869, 2016.10, [URL], A CHF3 inductively coupled plasma (ICP) based dry etching method is proposed for accurate etching of Ge waveguides. CHF3 ICP based dry etching produces excellent anisotropy along with good selectivity with regards to regular polymeric photoresist, which leads to the elimination of under-cut. As a result, an almost vertical sidewall angle of 85° with an etching rate of 190 nm/min was realised with a relatively high selectivity ratio of 5:1 against regular photoresist.. |
9. | Takuya Kitano, Mohammad Nasir Uddin, Bingzhou Hong, Akio Tajima, Haisong Jiang, Kiichi Hamamoto, Demonstration of photon-photon resonance peak enhancement by waveguide configuration modification on active multimode interferometer laser diode, Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes, 10.7567/JJAP.55.08RD04, 55, 8, 2016.08, [URL], The recent rapid growth of data traffic is leading to high-speed communication for local areas, such as the fiber-to-the-home service. A semiconductor laser is used for such a purpose; however, there is the difficulty that an even higher frequency response occurs in only carrierphoton resonance. For this reason, it is effective to use a second resonance, such as a photon-photon resonance (PPR), for enhancing the frequency response, and the active multimode interferometer laser diode (active-MMI LD) is one of the candidates for achieving a high PPR frequency. In order to obtain an even higher PPR frequency, we have investigated the control scheme of enhancing PPR. In this work, we compared two types of active-MMI waveguide structures to confirm the scheme. As a result, a 3.8GHz enhancement of the PPR peak, resulting in a 3 dB lower frequency response of 17 GHz, has been successfully achieved by waveguide geometry modification.. |
10. | Ryan Imansyah, Tatsushi Tanaka, Luke Himbele, Haisong Jiang, Kiichi Hamamoto, Electrically controlled optical-mode switch for fundamental mode and first order mode, Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes, 10.7567/JJAP.55.08RB06, 55, 8, 2016.08, [URL], We have proposed an optical mode switch, the principle of which is based on the partial phase shift of injected light; therefore, one important issue is to clarify the proper design criteria for the mode combiner section. We focused on the bending radius of the S-bend waveguide issue that is connected to the multi mode waveguide in the Y-junction section that acts as mode combiner. Long radius leads to undesired mode coupling before the Y-junction section, whereas a short radius causes radiation loss. Thus, we simulated this mode combiner by the beam-propagation method to obtain the proper radius. In addition, we used a trench pin structure to simplify the fabrication process into a single-step dry-etching process. As a result, we successfully fabricated an optical-mode switch with the bending radius R = 610 m. It showed the successful electrical mode switching and the achieved mode crosstalk was approximately %10 dB for 1550nm wavelength with the injection current of 60mA (5.7 V).. |
11. | Ryan Imansyah, Tatsushi Tanaka, Luke Himbele, Haisong Jiang, and Kiichi Hamamoto, Mode Crosstalk Evaluation on Optical Mode Switch by Using MMI Mode Filter, IEICE Transaction on Electonics, E99-C, 7月, 825-829, 2016.07. |
12. | Yutaka Chaen, Kazuhiro Kazuhiro, Haisong Jiang, Kiichi Hamamoto, Low wavelength dependency design for MMI (multi-mode interference) mode converter, IEICE ELECTRONICS EXPRESS, 10.1587/elex.12.20150727, 12, 20, 2015.10. |
13. | Kiichi Hamamoto, Haisong Jiang, Active MMI devices: concept, proof, and recent progress, JOURNAL OF PHYSICS D-APPLIED PHYSICS, 10.1088/0022-3727/48/38/383001, 48, 38, 2015.09. |
14. | Hirohito Hokazono, Wenying Li, Syota Enami, Haisong Jiang, Kiichi Hamamoto, Gas sensing demonstration by using silica high-mesa waveguide with amplified cavity ring down spectroscopy technique, IEICE ELECTRONICS EXPRESS, 10.1587/elex.12.20150574, 12, 15, 2015.08. |
15. | Yasuhiro Hinokuma, Yutaka Chaen, Haisong Jiang, Takuma Hagio, Seiki Nakamura, Akio Tajima, Kiichi Hamamoto, CW Single-Wavelength Emission by Using Novel Asymmetric Configuration for Active Multi-Mode Interferometer Laser Diodes, IEICE Electronics Express (ELEX), 9, 18, 1448-1453, 2012.09, We report CW single-wavelength emission at RT from non-grating active multi-mode interferometer laser diodes (MMI LDs) by using an asymmetric configuration. Fabricated devices showed side-mode suppression ratio (SMSR) of 31 dB (λ=1.56μm). We also present the modulation characteristics of this novel device at 1.25 Gbps for a 27−1 pseudorandom binary sequence.. |
16. | Haisong Jiang, Yutaka Chaen, Takuma Hagio, Kazuisao Tsuruda, Makoto Jizodo, Shinji Matsuo, Jing Xu, Christophe Peucheret, Kiichi Hamamoto, All-optical flip-flop operation based on asymmetric active-multimode interferometer bi-stable laser diodes, OPTICS EXPRESS, 10.1364/OE.19.00B119, 19, 26, B119-B124, 2011.12, We demonstrate fast and low energy all optical flip-flop devices based on asymmetric active-multimode interferometer using high-mesa waveguide structure. The implemented devices showed high speed all-optical flip-flop operation with 25ps long pulses. The rising and falling times of the output signal were 121 ps and 25 ps, respectively. The required set and reset pulse energies were only 7.1 fJ and 3.4 fJ, respectively.. |
17. | Haisong Jiang, Hany Ayad Bastawrous, Takuma Hagio, Shinji Matsuo, Kiichi Hamamoto, Low Hysteresis Threshold Current (39mA) Active Multi-Mode-Interferometer (MMI) Bi-stable Laser Diodes Using Lateral-Modes Bi-stability, IEEE Journal of Selected Topics in Quantum Electronics, 10.1109/JSTQE.2011.2156386, 17, 5, 1258-1263, 2011.09, We demonstrate low hysteresis threshold current (39 mA) bistable laser diodes (BLDs), with maintaining sufficient hysteresis window (7 mA, 18% of the hysteresis threshold), in active multimode-interferometer (MMI) using lateral-modes bistability.The sufficient cross-gain saturation effect, due to the lateral-modes bistability principle, enables wide hysteresis window. By using this principle, we could design the active-MMI BLDs with relatively saturable-absorber length that has been one of the main causes of high hysteresis threshold current. In the actual design, we reduce the saturable-absorber region length to 25μm, and thus,we could achieve a low hysteresis current of 39 mA in the active-MMI BLDs with maintaining sufficient hysteresis window for the first time.. |
18. | Haisong Jiang, Hany Ayad Bastawrous, Hirotaka Saikaku, Yuichiro Tahara, Shinji Matsuo, Kiichi Hamamoto, Optical Bit-Memory Element Based on Bi-Stability between Different Lateral Modes Using Novel Active Multi-Mode-Interferometer (MMI) for Random Access Memory (RAM) Application, Engineering Science Reports, Kyushu University, 31, 1, 1-6, 2009.06, A novel principle of active multi-mode-interferometer (MMI) bi-stable laser diode (BLD), utilizing different lateral modes, has been proposed and demonstrated for optical random access memory (RAM) application. The two different propagation modes realize two different identical paths in a single active MMI cavity simultaneously, with sharing exactly same port at one facet side. This novel concept contributes to realize relatively large cross-gain saturation region between the two identical paths, which result in stable bi-stability even in a relatively compact device size. Implemented devices showed relatively low operation current of 100mA and sufficient hysteresis window of 8mA with the cavity length of only 550µm. High optical ON/OFF ratio of more than 15dB was also confirmed successfully.. |
主要学会発表等
学会活動
学協会役員等への就任
2018.01~2019.12, The Institute of Electrical and Electronics Engineers Fukuoka Photonics (PHO) Society Chapter , 幹事.
学会大会・会議・シンポジウム等における役割
2022.07.31~2022.08.05, The 15th Pacific Rim Conference on Lasers and Electro-Optics (CLEO Pacific Rim, CLEO-PR 2022), TPC 委員.
2016.07.03~2016.07.07, 21st Optoelectronics and Communications Conference, TPC 幹事.
その他の研究活動
受賞
IEEE福岡支部 学生研究奨励賞(第9回), IEEE福岡支部, 2010.01.
研究資金


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