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2020 – today
- 2021
[c10]Kouji Nakahara, Kazuki Suga, Kaoru Okamoto, Shigenori Hayakawa, Masatoshi Arasawa, Tetsuya Nishida, Ryu Washino, Takeshi Kitatani, Masatoshi Mitaki, Hironori Sakamoto, Yasushi Sakuma, Shigehisa Tanaka:
112-Gb/s PAM-4 Uncooled Directly Modulated BH Lasers. ECOC 2021: 1-3- 2020
- [c9]Kazuki Suga, Kouji Nakahara, Kaoru Okamoto, Shigenori Hayakawa, Masatoshi Arasawa, Tetsuya Nishida, Ryu Washino, Takeshi Kitatani, Masatoshi Mitaki, Hironori Sakamoto, Yasushi Sakuma, Shigehisa Tanaka:
Analysis of TDECQ Dependence on Skew and Extinction Ratio with 106-Gb/s PAM-4 Modulation of Directly Modulated Submicron Ridge Localized Buried Heterostructure Lasers. OFC 2020: 1-3 - [c8]Takashi Toyonaka, Hiroshi Hamada, Shigehisa Tanaka, Masatoshi Arasawa, Ryu Washino, Yasushi Sakuma, Kazuhiko Naoe:
Large-Optical-Aperture Top-Illuminated 50-Gbaud PIN-PD with High 3-dB Bandwidth at a Low Bias of 1.5 V. OFC 2020: 1-3
2010 – 2019
- 2018
- [c7]Yoshihiro Nakai, Akira Nakanishi, Yoriyoshi Yamaguchi, Syunya Yamauchi, Atsushi Nakamura, Hideaki Asakura, Hayato Takita, Shigenori Hayakawa, Masatoshi Mitaki, Yasushi Sakuma, Kazuhiro Naoe:
Uncooled Operation of 53-Gbaud PAM4 (106-Gb/s) EA/DFB Lasers with Extremely Low Drive Voltage with 0.9 Vpp. ECOC 2018: 1-3 - [c6]Kouji Nakahara, Riu Hirai, Takeshi Kitatani, Nobuhiko Kikuchi, Takayoshi Fukui, Kaoru Okamoto, Yasushi Sakuma, Kohichi Robert Tamura, Shigehisa Tanaka:
Superior BER Transmission of 106-Gb/s/lane Skewless PAM4 over 10 km by Utilizing 1.3-μm Directly Modulated InGaAlAs-MQW BH Lasers and Incoherent Multiplexing of Two NRZ Signals. OFC 2018: 1-3 - 2015
- [c5]Takayuki Nakajima, T. Fukamachi, Mitsuo Akashi, Atsushi Nakamura, Yasushi Sakuma, Shigenori Hayakawa, Ryu Washino, M. Mukaikubo, K. Okamoto, K. Motoda, Kazuhiko Naoe, K. Nakahara, Shigehisa Tanak, Kazuhisa Uomi:
25.8 Gbps error free transmission over 10 km at wavelengths from 1271 to 1331nm by uncooled (25 to 85°C) directly modulated DFB lasers for 100G-CWDM4. OFC 2015: 1-3 - 2014
- [c4]T. Fukamachi, Atsushi Nakamura, Yasushi Sakuma, Shigenori Hayakawa, Ryu Washino, M. Mukaikubo, K. Okamoto, T. Nakajima, K. Motoda, Kazuhiko Naoe, K. Nakahara, Yuki Wakayama, Kazuhisa Uomi:
Uncooled clear-eye-opening operation (25 to 95°C) of 25.8/28-Gbps 1.3-µm InGaAlAs-MQW directly modulated DFB lasers. OFC 2014: 1-3 - [c3]Kouji Nakahara, Yuki Wakayama, Takeshi Kitatani, Takafumi Taniguchi, Toshihiko Fukamachi, Yasushi Sakuma, Shigehisa Tanaka:
56-Gb/s direct modulation in InGaAlAs BH-DFB lasers at 55°C. OFC 2014: 1-3 - 2013
- [c2]Kouji Nakahara, Yuki Wakayama, K. Hiruma, Takeshi Kitatani, Kazunori Shinoda, T. Fukamachi, Yasushi Sakuma, Shigehisa Tanaka:
28-Gb/s directly modulated InGaAlAs ACPM DFB lasers with high mask margin of 22% at 55°C. OFC/NFOEC 2013: 1-3 - [c1]Akira Nakanishi, Noriko Sasada, Yasushi Sakuma, Ryu Washino, K. Okamoto, Kazuhiko Naoe, Hiroaki Hayashi, Hideo Arimoto, Shigehisa Tanak:
Uncooled (0 to 85°C) and full C-band operation of a 10.7 Gbit/s InP Mach-Zehnder modulator monolithically integrated with SOA. OFC/NFOEC 2013: 1-3
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