LGLC tunable laser with highly stable SMSR against large filter deviation for full C-band operation. - Atsushi Nakamura; Kazuhiko Naoe; M. Sakai; Shigenori Hayakawa; K. Motoda; Kazuhisa Uomi; Takanori Suzuki; Hideo Arimoto; Shigehisa Tanak (OFC/NFOEC, 2013)

Uncooled (0 to 85°C) and full C-band operation of a 10.7 Gbit/s InP Mach-Zehnder modulator monolithically integrated with SOA. - Akira Nakanishi; Noriko Sasada; Yasushi Sakuma; Ryu Washino; K. Okamoto; Kazuhiko Naoe; Hiroaki Hayashi; Hideo Arimoto; Shigehisa Tanak (OFC/NFOEC, 2013)

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; Shigehisa Tanak; Akira Nakanishi; Kazuhiko Naoe (ECOC, 2014)

Facet-free surface-emitting 1.3-μm DFB laser. - Koichiro Adachi; Takanori Suzuki; T. Ohtoshi; K. Nakahara; M. Sagawa; Akira Nakanishi; Kazuhiko Naoe; Shigehisa Tanak (ECOC, 2015)

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. - Takayuki Nakajima; T. Fukamachi; Mitsuo Akashi; Atsushi Nakamura; Yasushi Sakuma; Shigenori Hayakawa; Ryu Washino; M. Mukaikubo; K. Okamoto; K. Motoda; Kazuhiko Naoe; K. Nakahara; et al. (OFC, 2015)

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; Shigehisa Tanak (ECOC, 2020)