Koichiro Adachi

According to our database, Koichiro Adachi authored at least 18 papers between 2011 and 2021.

Collaborative distances:

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

2021

224-Gb/s PAM4 Uncooled Operation of Lumped-electrode EA-DFB Lasers with 2-km Transmission for 800GbE Application.

Syunya Yamauchi, Koichiro Adachi, Hideaki Asakura, Hayato Takita, Yoshihiro Nakai, Yoriyoshi Yamaguchi, Masatoshi Mitaki, Ryosuke Nakajima, Shigehisa Tanaka, Kazuhiko Naoe

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2021

2020

Wide-temperature-range 100-Gbaud Operation of a Lumped-electrode-type EA-DFB for an 800-Gb/s Optical Transceiver.

Koichiro Adachi, Syunya Yamauchi, Hideaki Asakura, Atsushi Nakamura, Kazuhiko Naoe, S. Tanaka

Proceedings of the European Conference on Optical Communications, 2020

Direct Differential Drive of a Conventional 53-Gbaud EA-DFB using Commercially Available DSP.

Koichiro Adachi, S. Tanaka

Proceedings of the European Conference on Optical Communications, 2020

2019

53-Gbaud PAM4 Differential Drive of a Conventional EA/DFB Toward Driver-Amplifier-Less Optical Transceivers.

Koichiro Adachi, Takayoshi Fukui, Masato Shishikura, Akira Nakanishi, Atsushi Nakamura, Takanori Suzuki, Shigehisa Tanaka

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2019

2018

A Lens-Integrated Surface-Emitting DFB Laser and Its Application to Cost-Effective Single-Mode Optical Sub Assembly.

Koichiro Adachi, Takanori Suzuki, Shigehisa Tanaka

IEICE Trans. Electron., 2018

2017

A passive optical alignment technique for single-mode fibers and light-source arrays.

Koichiro Adachi, Akira Nakanishi, Takanori Suzuki, Hiroki Irie, Yusuke Sasaki, T. Aoki, Masato Shishikura, Kazuhiko Naoe, Shigehisa Tanaka

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017

Experimental Study of Adjustable Single-Mode Optical-Coupling Using Movable Micro-Mirror Array.

Takanori Suzuki, Koichiro Adachi, Shigehisa Tanaka

Proceedings of the European Conference on Optical Communication, 2017

2016

Monolithically integrated 4 ch × 25.8 Gbps lens-integrated surface-emitting DFB laser array directly coupled to SMF.

Koichiro Adachi, Takanori Suzuki, Aki Takei, Kouji Nakahara, Shigehisa Tanaka, Akira Nakanishi, Kazuhiko Naoe

IEICE Electron. Express, 2016

A facet-free 1.3-µm surface-emitting DFB laser for a low-cost optical module.

Koichiro Adachi, Takanori Suzuki, Kouji Nakahara, Shigehisa Tanaka, Akira Nakanishi, Kazuhiko Naoe

IEICE Electron. Express, 2016

2015

A 50-Gb/s NRZ-modulated optical transmitter based on a DFB-LD and a 0.18-µm SiGe BiCMOS LD driver.

Takashi Takemoto, Yasunobu Matsuoka, Yoshikazu Sugiyama, Hidenori Yonezawa, Hiroki Yamashita, Koichiro Adachi, Takahiro Nakamura, Etsuko Nomoto, Kouji Nakahara, Hideo Arimoto, Kenichi Osada, Tatemi Ido

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015

Capability of high optical-feedback tolerance and non-hermetic-packaging for low-cost interconnections using lens-integrated surface-emitting laser.

Takanori Suzuki, Koichiro Adachi, Aki Takei, Yuki Wakayama, Akira Nakanishi, Kazuhiko Naoe, Kouji Nakahara, Shigehisa Tanaka, Kazuhisa Uomi

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015

Wide-temperature-range 103.2 (25.8 × 4)-Gb/s optical link for data-center Interconnects using a 1.3-µm lens-integrated surface-emitting laser array.

Koichiro Adachi, Yasunobu Matsuoka, Takashi Takemoto, Takanori Suzuki, Shigehisa Tanaka, Akira Nakanishi, Kazuhiko Naoe

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015

Facet-free surface-emitting 1.3-μm DFB laser.

Koichiro Adachi, Takanori Suzuki, T. Ohtoshi, K. Nakahara, M. Sagawa, Akira Nakanishi, Kazuhiko Naoe, S. Tanaka

Proceedings of the European Conference on Optical Communication, 2015

2014

High-efficiency optical coupling to SMF array and high-temperature 25-Gb/s operation of lens-integrated surface-emitting laser toward PSM4 optical module.

Koichiro Adachi, Aki Takei, Takanori Suzuki, S. Tanaka, Akira Nakanishi, Kazuhiko Naoe

Proceedings of the European Conference on Optical Communication, 2014

2013

25 Gb/s 150-m Multi-Mode Fiber Transmission Using a CMOS-Driven 1.3-µm Lens-Integrated Surface-Emitting Laser.

Daichi Kawamura, Toshiaki Takai, Yong Lee, Kenji Kogo, Koichiro Adachi, Yasunobu Matsuoka, Norio Chujo, Reiko Mita, Saori Hamamura, Satoshi Kaneko, Kinya Yamazaki, Yoshiaki Ishigami, Toshiki Sugawara, Shinji Tsuji

IEICE Trans. Electron., 2013

Compact and power-efficient 100-Gbps CMOS-based transceiver.

Takashi Takemoto, Hiroki Yamashita, Fumio Yuki, Shinji Tsuji, Yong Lee, Koichiro Adachi, Kazunori Shinoda, Yasunobu Matsuoka, Toshiki Sugawara, Shinji Nishimura, Norio Chujo, Masaaki Nido, Kazuhiko Kurata, Junji Baba, Yoshinori Watanabe, Naoya Ikeda

Proceedings of the 2013 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013

2011

A 25 Gb/s 65-nm CMOS Low-Power Laser Diode Driver With Mutually Coupled Peaking Inductors for Optical Interconnects.

Norio Chujo, Toshiaki Takai, Toshiki Sugawara, Yasunobu Matsuoka, Daichi Kawamura, Koichiro Adachi, Tsuneo Kawamata, Tsuneo Ohno, Kenichi Ohhata

IEEE Trans. Circuits Syst. I Regul. Pap., 2011

A 35-GHz, 0.8-A/W and 26-µm Misalignment Tolerance Microlens-Integrated p-i-n Photodiodes.

Yong Lee, Kazuyuki Nagatsuma, Kazuhiko Hosomi, Takuma Ban, Kazunori Shinoda, Koichiro Adachi, Shinji Tsuji, Yasunobu Matsuoka, Shigehisa Tanaka, Reiko Mita, Toshiki Sugawara, Masahiro Aoki

IEICE Trans. Electron., 2011