[CMP11A] QD Devices and Crystal Growth Technology

[CMP11A-02] High Optical Feedback Resistance of 1.55 um 15-Layer-Stacked Quantum Dot Laser using InP(311)B Substrate

*Atsushi Matsumoto¹, Kouichi Akahane¹, Toshimasa Umezawa¹, Naokatsu Yamamoto¹, Kazutaka Kanno², Makoto Naruse³, Atsushi Uchida², Atsushi Kanno¹ (1. National Institute of Information and Communications Technology (Japan), 2. Saitama Univ. (Japan), 3. The Univ. Tokyo (Japan))

[Presentation Style] Onsite

In this study, we evaluated optical feedback resistance of a 1.55-mm quantum dot (QD) laser diode (LD). Compared to a commercial MQW Fabry-Perot LD, higher feedback resistance could be obtained in the QD-LD.