[C-3_C-4] Optoelectronics / Lasers and Quantum Electronics | IEICE Society Conference 2025

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Session Details

一般セッションC. Electronics Society : C-3/C-4．Optoelectronics / Lasers and Quantum Electronics

[C-3_C-4]Optoelectronics / Lasers and Quantum Electronics

Fri. Sep 12, 2025 1:45 PM - 5:00 PM JST
Fri. Sep 12, 2025 4:45 AM - 8:00 AM UTC

School of Engineering Building No.1 3F Large Lecture Room(Okayama University)

Chair:HIDEKI YAGI(Sumitomo Electric Industries， Ltd.), TAKUO HIRATANI(Sumitomo Electric Industries， Ltd.)

半導体レーザ

1:45 PM - 2:15 PM JST(4:45 AM - 5:15 AM UTC)

[C-3_C-4-51](Invited Presentation 30min.) High-Speed Operation of a High-Mesa Externally Modulated Laser

〇Shinya Okuda¹, Asami Uchiyama¹, Toshiya Tsuji¹, Yohei Hokama¹, Koki Kihara¹, Mizuki Shirao¹, Takeshi Yamatoya¹, Yasuhiro Yamauchi¹ (1. Mitsubishi Electric)

2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)

[C-3_C-4-52]Intensity and frequency mixed modulation light sources for 100-Gbaud PAM4 transmission

〇Takaaki Kakitsuka¹, Kiyoto Takahata¹ (1. Waseda Univ.)

2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)

[C-3_C-4-53]Development of a 200 Gbps/λ PAM4-driven Dual-Wavelength Integrated EML

〇Kenichi Terao¹, Takaya Morikawa¹, Toshiya Tsuji¹, Yoshimichi Morita¹, Akihito Ono¹, Takehiro Nishida¹ (1. Mitsubishi Electric Corp.)

2:45 PM - 3:00 PM JST(5:45 AM - 6:00 AM UTC)

[C-3_C-4-54]CPM phase shift grating by interference lithography

〇Hirotaka Yamada¹, Yohei Nawaki¹, Keisuke Ota¹, Kazuyuki Tsuruoka¹ (1. Ushio Inc)

3:00 PM - 3:15 PM JST(6:00 AM - 6:15 AM UTC)

[C-3_C-4-55]InP/Si heterogeneously integrated tunable lasers for C- and L- bands

〇Takuo Hiratani^1,2,3, Kento Komatsu^1,2,3, Hidenari Fujikata^1,2, Naoki Fujiwara^1,2,3, Naoko Inoue^1,2,3, Takehiko Kikuchi^1,2,3, Takuya Mitarai^1,2,3, Shun Kimura^1,2, Takuya Okimoto^1,2,3, Nobuhiko Nishiyama^1,3, Hideki Yagi^1,2,3 (1. Photonics Electronics Technology Research Association, 2. Sumitomo Electric Industries, Ltd., 3. Institute of Science Tokyo)

3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)

Break time

3:30 PM - 4:00 PM JST(6:30 AM - 7:00 AM UTC)

[C-3_C-4-56](Invited Presentation 30min.) High-power and single-mode operation of 1.3 μm-wavelength InP-based photonic-crystal surface-emitting lasers

〇Yuhki Itoh^1,2, Makoto Ogasawara^1,2, Takeshi Aoki^1,2, Kosuke Fujii¹, Yusuke Sawada^1,2, Rei Tanaka¹, Shun Kimura¹, Hiroyuki Yoshinaga^1,2, Naoki Fujiwara^1,2, Hideki Yagi¹, Masaki Yanagisawa¹, Masahiro Yoshida², Takuya Inoue², Menaka De Zoysa², Kenji Ishizaki², Susumu Noda^2,3 (1. Sumitomo Electric Industries, Ltd., 2. Graduate School of Engineering, Kyoto University, 3. Kyoto University Institute for Advanced Study)

4:00 PM - 4:15 PM JST(7:00 AM - 7:15 AM UTC)

[C-3_C-4-57]Circular defect in 2D photonic crystal laser with concave output edge structure

〇Yuto Kudo¹, Hanqiao Ye¹, Masato Morifuji¹, Hirotake Kajii¹, Akihiro Maruta¹, Tetsuya Yagi¹, Nobuhiko Kikuchi¹, Masahiko Kondow¹ (1. Osaka Univ.)

4:15 PM - 4:30 PM JST(7:15 AM - 7:30 AM UTC)

[C-3_C-4-58]Optical frequency comb generation using regeneratively mode-locked laser for visible-light coherent DWDM communications

〇Takashi Kan¹, Shota Ishimura¹, Abdulaziz E. Elfiqi¹, Hidenori Takahashi¹, Takehiro Tsuritani¹ (1. KDDI Research, Inc.)

4:30 PM - 4:45 PM JST(7:30 AM - 7:45 AM UTC)

[C-3_C-4-59]Frequency Sweep of Optical Negative Feedback Laser using Transmission-type PDH Method

〇Ryosuke Hirano¹, Nobuhide Yokota³, Masato Yoshida¹, Hiroshi Yasaka² (1. Graduate School of Engineering, Tohoku University, 2. Research Institute of Electrical Communication, Tohoku University, 3. Research Institute of Electronics, Shizuoka University)

4:45 PM - 5:00 PM JST(7:45 AM - 8:00 AM UTC)

[C-3_C-4-60]Characterization of far-field pattern of a quantum dot laser with parallel ridge-waveguide structures

〇Haruki Maruyama^1,2, Satoshi Yanase^1,2, Kouichi Akahane², Atsushi Matsumoto², Tomohiro Maeda^1,2, Hideyuki Sotobayashi¹ (1. Aoyama Gakuin University, 2. NICT)

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