Light sources and components 3

[LDC5-01(Invited)] High-performance quantum dot lasers for optical fiber systems

*Kouichi Akahane¹, Atsushi Matsumoto¹, Toshimasa Umezawa¹, Ryota Yabuki², Yuichi Matsushima², Katsuyuki Utaka², Satoshi Yanase³, Tomohiro Maeda³, Hideyuki Sotobayashi³, Naokatsu Yamamoto¹ (1. NICT, 2. Waseda University, 3. Aoyama Gakuin University)

This study introduces quantum-dot (QD) lasers operating in the telecom band. The special features of temperature stability of the threshold current, and narrow linewidth of the QD distributed-feedback laser, and wideband optical frequency comb, and ultrashort pulse generation by mode-locked QD lasers were achieved. In addition, the temperature stability of the emission wavelength of the QD laser was demonstrated using bismuth material.