Takuya Okimoto

According to our database, Takuya Okimoto authored at least 15 papers between 2019 and 2026.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2026

High L-band Responsivity of Compact InP-on-Si Coherent-Receiver PICs via Chip-on-Wafer Bonding.

Takuya Okimoto, Takuya Mitarai, Yohei Sobu, Shuntaro Maeda, Shun Kimura, Takehiko Kikuchi, Naoko Inoue, Naoki Fujiwara, Nobuhiko Nishiyama, Takuo Tanemura, Shinsuke Tanaka, Hideki Yagi

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2026

Ultrasmall SCL-band Wavelength Multiplexers Using Mosaic-Based Digital Metamaterial.

Takeshi Fujisawa, Takuya Mitarai, Yusuke Sawada, Takuya Okimoto, Takuo Hiratani, Kento Komatsu, Hideki Yagi, Naoki Fujiwara

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2026

2025

Compact WDM Coherent Transmitter using Silicon Micro-Ring Modulators.

Shuntaro Maeda, Takahiro Suganuma, Go Soma, Keita Hirashima, Takuya Okimoto, Yoshiaki Nakano, Takuo Tanemura

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2025

Scalable Multi-Band Narrow Linewidth Operation by a Single-Chip Tunable Laser with InP/Si Heterogeneous Integration.

Takuo Hiratani, Kento Komatsu, Hidenari Fujikata, Naoki Fujiwara, Naoko Inoue, Takehiko Kikuchi, Takuya Mitarai, Shun Kimura, Takuya Okimoto, Yusuke Sawada, Eiichi Banno, Takashi Matsui, Takeshi Fujisawa, Nobuhiko Nishiyama, Hideki Yagi

Proceedings of the European Conference on Optical Communications, 2025

Ultrasmall Mode Exchangers Based on Mosaic Structure Designed by Gradient Direct Binary Search Method.

Takeshi Fujisawa, Yasuhide Tsuji, Takuya Mitarai, Yusuke Sawada, Takuya Okimoto, Takuo Hiratani, Kento Komatsu, Hideki Yagi, Naoki Fujiwara

Proceedings of the European Conference on Optical Communications, 2025

2024

InP-based Optical Devices Integrated on Silicon Photonic Circuits.

Takuya Okimoto, Naoki Fujiwara, Naoko Inoue, Takuo Hiratani, Takehiko Kikuchi, Takuya Mitarai, Munetaka Kurokawa, Hajime Tanaka, Hidenari Fujikata, Tohma Watanabe, Toshiyuki Nitta, Nobuhiko Nishiyama, Hideki Yagi

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2024

2023

Silicon Photonic Multi-Wavelength Coherent Receiver Using Local Oscillator Optical Frequency Comb.

Shuntaro Maeda, Taichiro Fukui, Takuya Okimoto, Go Soma, Takuo Tanemura, Yoshiaki Nakano

Proceedings of the International Conference on Photonics in Switching and Computing, 2023

80-GHz Bandwidth and High Responsivity of InP Coherent Receiver PIC with Butt-joint waveguide PDs.

Takuya Okimoto, Hideki Yagi, Ken Ashizawa, Kouichiro Yamazaki, Koji Ebihara, Satoru Okamoto, Kazuhiko Horino, Munetaka Kurokawa, Yoshiyuki Sugimoto, Seiji Kumagai, Keiji Tanaka, Masaru Takechi, Mitsuru Ekawa, Yoshihiro Yoneda

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2023

A Shunt-Feedback TIA with Common-Base Variable Gain Input Stage for 128-GBaud Coherent Communication.

Seiji Kumagai, Yoshiyuki Sugimoto, Hiroshi Uemura, Munetaka Kurokawa, Naoki Itabashi, Masaru Takechi, Takuya Okimoto, Keiji Tanaka

Proceedings of the IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium, 2023

2022

Compact Power Splitters with Mosaic-based Structure Designed by Bayesian Direct-binary-search Method.

Takuya Mitarai, Takeshi Fujisawa, Takuya Okimoto, Naoya Kono, Naoki Fujiwara, Yusuke Sawada, Taichi Muratsubaki, Takanori Sato, Kunimasa Saitoh, Hideki Yagi

Proceedings of the 2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC), 2022

106-Gb/s Waveguide AlInAs/GaInAs Avalanche Photodiode with Butt-joint Coupling Structure.

Takuya Okimoto, Ken Ashizawa, Hiroki Mori, Koji Ebihara, Kouichiro Yamazaki, Satoru Okamoto, Kazuhiko Horino, Yusuke Ohkura, Hideki Yagi, Mitsuru Ekawa, Yoshihiro Yoneda

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2022

2021

InP-based PIC integrated with Butt-joint Coupled Waveguide p-i-n PDs for 100GBaud Coherent Networks.

Takuya Okimoto, Hideki Yagi, Koji Ebihara, Kouichiro Yamazaki, Satoru Okamoto, Yusuke Ohkura, Kazuhiko Horino, Ken Ashizawa, Mitsuru Ekawa, Yoshihiro Yoneda

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2021

High Optical Output Power and High-responsivity IC-TROSA for 800 Gbps applications.

Munetaka Kurokawa, Kenichi Nakayama, Masaru Takechi, Yasutaka Mizuno, Taichi Misawa, Eiichi Banno, Hiroshi Uemura, Yoshiyuki Sugimoto, Seiji Kumagai, Takuya Okimoto, Naoya Kono, Tsutomu Ishikawa, Hiroshi Hara, Takatoshi Kato, Keiji Tanaka, Mitsuru Ekawa, Katsumi Uesaka

Proceedings of the European Conference on Optical Communication, 2021

2020

High Linearity and Uniform Characteristics of InP-Based 8-CH Waveguide Avalanche Photodiode Array for 400 GbE.

Takuya Okimoto, Ken Ashizawa, Koji Ebihara, Satoru Okamoto, Takumi Endo, Kazuhiko Horino, Tatsuya Takeuchi, Toru Uchida, Hideki Yagi, Yoshihiro Yoneda

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020

2019

InP-Based Photodetectors Monolithically Integrated with 90^° Hybrid toward Over 400Gb/s Coherent Transmission Systems.

Hideki Yagi, Takuya Okimoto, Naoko Inoue, Koji Ebihara, Kenji Sakurai, Munetaka Kurokawa, Satoru Okamoto, Kazuhiko Horino, Tatsuya Takeuchi, Kouichiro Yamazaki, Yoshifumi Nishimoto, Yasuo Yamasaki, Mitsuru Ekawa, Masaru Takechi, Yoshihiro Yoneda

IEICE Trans. Electron., 2019