Yokoyama Shiyoshi

ヨコヤマシヨシ | Yokoyama Shiyoshi

Affiliation and department：
Job title： Professor
Homepage URL (2)： https://yokoyama-labo.cm.kyushu-u.ac.jp , https://yokoyama-labo.cm.kyushu-u.ac.jp/en/

Research field (1)： Electronic devices and equipment

Research keywords (18)：分子スペクトル , 分子合成 , 分子構造計算 , 通信素子 , 電子構造 , 高分子 , 有機分子 , デバイス , 非線形光学 , Molecular spectroscopy , Molecular synthesis , Molecular simulation , Communication device , Electronic structure , Polymer , Organic molecule , Device , Nonlinear optics

Research theme for competitive and other funds (6)：

2019 - 2023 ハイブリッド電気光学導波路による広帯域光変調器の作製
2014 - 2019 Realization and Application of Large-scale Quantum Entangled States Using Photonic Quantum Circuits
2014 - 2017 Hybrid electro-optical polymer waveguide modulator for low-driving voltage operation
2007 - 2011 Polymer Photonic Crystal for Active Optical Device Applications
1. 超構造分子の創成 2. 有機・高分子材料の光・非線形光学への応用 3. 分子分光

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Papers (215)：

Junichi Fujikata, Hiromu Sato, Alisa Bannaron, Guo Wei Lu, Shiyoshi Yokoyama. High-Performance EO Polymer/Si and InP Nano-Hybrid Optical Modulators in O-band and C-band Wavelengths. 2023 Optical Fiber Communications Conference and Exhibition, OFC 2023 - Proceedings. 2023
Akito Shinya, Koji Kida, Hiromu Sato, Guo Wei Lu, Shiyoshi Yokoyama, Junichi Fujikata. High-Speed Optical Convolutional Neural Network Accelerator with 100 Gbaud EO-polymer/Si Hybrid Optical Modulator. 2023 Opto-Electronics and Communications Conference, OECC 2023. 2023
Jiawei Mao, Hiromu Sato, Alisa Bannaron, Jianxun Hong, Guo Wei Lu, Shiyoshi Yokoyama. Efficient silicon and side-cladding waveguide modulator with electro-optic polymer. Optics Express. 2022. 30. 2. 1885-1895
Shiyoshi Yokoyama, Guo Wei Lu, Hiromu Sato, Jiawei Mao, Alisa Bannaron. Highly Reliable Organic Polymer Optical Modulators. Optical Fiber Communications Conference , OFC 2022 - Proceedings. 2022
Junichi Fujikata, Masataka Noguchi, Tomoki Sakuma, Daisuke Okamoto, Yasuhiko Ishikawa, Shiyoshi Yokoyama. High Performance Si Photonics Devices and InP/EO Polymer Hybrid Optical Modulator for Data Communication and Computing. OptoElectronics and Communications Conference/International Conference, OECC/PSC 2022 Proceedings. 2022

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MISC (102)：

Guo-Wei Lu, Jianxun Hong, Feng Qiu, Andrew M. Spring, Tsubasa Kashino, Juro Oshima, Masa-aki Ozawa, Hideyuki Nawata, Shiyoshi Yokoyama. High-temperature-resistant silicon-polymer hybrid modulator operating at up to 200 Gbit s(-1) for energy-efficient datacentres and harsh-environment applications (vol 11, 4224, 2020). NATURE COMMUNICATIONS. 2020. 11. 1
C. Kieninger, C. Kieninger, Y. Kutuvantavida, Y. Kutuvantavida, J. N. Kemal, H. Zwickel, H. Miura, S. Randel, W. Freude, S. Yokoyama, et al. Demonstration of Long-Term Thermal Stability of a Silicon-Organic Hybrid (SOH) Modulator at 85°C. 2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings. 2018
S. Yokoyama, S. Yokoyama, G. W. Lu, H. Miura, Q. Feng, A. M. Spring. 96 Gbit/s PAM-4 Generation using an Electro-Optic Polymer Modulator with High Thermal Stability. 2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings. 2018
横山士吉. EOポリマーを用いた光変調デバイス. 電子情報通信学会誌. 2018. 101. 8. 845-849
横山士吉. EO Polymer Modulators. 電子情報通信学会誌 = The journal of the Institute of Electronics, Information and Communication Engineers. 2018. 101. 8. 845-849

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Lectures and oral presentations (101)：

Beyond 110Gbit/s OOK and PAM4 Signaling Using a Single Drive Hybrid Silicon and Polymer Modulator
(ISPEC2018 (The 8th Interantional Symposium on Photonics and Electronics Convergence ) 2018)
100Gbit/sを実現するEOポリマー変調器の開発
(第41回ポリマー光部品(POC)研究会 2018)
High Temperature Resistant 112Gbit/s PAM4 Modulator Based on Electro-optic Polymer Modulator
(ECOC2018 (44th Europoan Conference on Optical Communication) 2018)
96 Gbit/s PAM-4 Generation using an Electro-Optic Polymer Modulator with High Thermal Stability
(2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings 2018)
Demonstration of Long-Term Thermal Stability of a Silicon-Organic Hybrid (SOH) Modulator at 85°C
(2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings 2018)

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Professional career (1)：

Doctor of Engineering

Work history (6)：

2007 - 現在 Kyushu Univ. Institute for Materials Chemistry and Engineering Professor
2006/04 - National Institute for Information and Communications Technology
1999 - :通信総合研究所主任研究員
1999 - Communications Research Laboratory, Senior Researcher
1996 - :通信総合研究所研究員

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Awards (1)：

2005 - 文部科学省文部科学大臣表彰若手科学者賞

Association Membership(s) (4)：

高分子学会 , 応用物理学会 , MRS , ACS

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