[16p-K309-1~10] 3.12 Semiconductor optical devices | The 72nd JSAP Spring Meeting 2025

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Oral presentation3 Optics and Photonics : 3.12 Semiconductor optical devices

[16p-K309-1~10]3.12 Semiconductor optical devices

Sun. Mar 16, 2025 1:30 PM - 4:15 PM JST
Sun. Mar 16, 2025 4:30 AM - 7:15 AM UTC

K309 (Lecture Hall Bldg.)

Yasuhiko Ishikawa(Toyohashi Univ. of Tech.), Toshimasa Umezawa(NICT)

1:30 PM - 1:45 PM JST(4:30 AM - 4:45 AM UTC)

[16p-K309-1]Structural Optimization of Thin-Film LNOI Waveguide Grating Couplers (Ⅲ)

〇Ryosei Kitahara¹, Ryoichi Yoshida¹, Shoji Hachuda¹, Naoki Tahara¹, Toshihiko Baba¹ (1.Yokohama Nat'l Univ.)

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1:45 PM - 2:00 PM JST(4:45 AM - 5:00 AM UTC)English Presentation

[16p-K309-2]3-Diminsional Optical Wireless Power Transmission Using Robotic Arm

〇(D)SHAOPU ZHOU¹, WENLONG YI¹, ZHAOYANG XING¹, TAKEO MARUYAMA¹ (1.Kanazawa Univ.)

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2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)English Presentation

[16p-K309-3]Near-infrared photodetector of Ge epitaxial layer on Si patterned substrate (2)

Koki Tsutsumi¹, 〇(D)FAIZ FAIZ MOHD¹, Jose A. Piedra-Lorenzana¹, Takeshi Hizawa¹, Tetsuya Nakai², Yasuhiko Ishikawa¹ (1.Toyohashi Univ. Tech., 2.SUMCO)

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

[16p-K309-4]Dark current reduction in pin photodetector using Ge layer on Si substrate

Koji Abe¹, 〇Ryoya Ogura¹, Yuki Yoshino¹, Naoki Hamada¹, Piedra-Lorenzana Jose A.¹, Takeshi Hizawa¹, Yasuhiko Ishikawa¹ (1.Toyohashi Univ. Tech.)

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

[16p-K309-5]Low-dark-current InGaAs/InP high-speed photodiode using inverted structure

〇Yuki Yamada¹, Ikue Hiraoka¹, Fumito Nakajima¹ (1.NTT Device Technology Labs.)

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

[16p-K309-6]Injection-position-affection in asymmetric nano-pixel power splitter

〇(B)Takuma Haraguchi¹, Haisong Jiamg^1,2, Kiichi Hamamoto^1,2 (1.Kyushu Univ., 2.Graduate school, Kyushu .Univ)

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

[16p-K309-7]Characterization of 25-Layer Stacked QD-SOA at 1.55-μm Band

〇(B)Naoya Chiyo^1,2, Atsushi Matsumoto², Shinya Nakajima², Toshimasa Umezawa², Kouichi Akahane², Tomohiro Maeda^1,2, Hideyuki Sotobayashi¹ (1.Aogaku Univ, 2.NICT)

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3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[16p-K309-8]Analysis of Crystal Structure and Its Correlation to Perovskite Solar Cell Performance

〇Saemi Takahashi¹, Haruko Tamegai¹, Teruyasu Mizoguchi², Satoshi Uchida³, Hiroshi Segawa^1,3 (1.UTokyo, Arts and Sci., 2.IIS, 3.RCAST)

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3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)

[16p-K309-9]Enhanced Visible Light Response and Photoinduced Charge Transfer Dynamics of Gold/Silicon Carbide Composite Nanoparticle Photocatalysts

〇Akihiro Furube¹, Shunsuke Yuyama¹, Tetsuro Katayama¹, Pankaj Koinkar¹ (1.Tokushima Univ.)

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

[16p-K309-10]Combining RGB Laser Beams Using Waveguide-type Centralized Combiner

〇Akira Nakao¹, Toshio Katsuyama², Shoji Yamada² (1.Univ. of Fukui, 2.Univ. of Fukui HISAC)

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