T. Fukamachi, Atsushi Nakamura, Yasushi Sakuma, Shigenori Hayakawa, Ryu Washino, M. Mukaikubo, K. Okamoto, T. Nakajima, K. Motoda, Kazuhiko Naoe, K. Nakahara, Y. Wakayama, K. Uomi. Uncooled clear-eye-opening operation (25 to 95°C) of 25.8/28-Gbps 1.3-µm InGaAlAs-MQW directly modulated DFB lasers. In Optical Fiber Communications Conference and Exhibition, OFC 2014, San Francisco, CA, USA, March 9-13, 2014. pages 1-3, IEEE, 2014. [doi]