[19a-225B-1~9] 【CS.5】 Code-sharing Session of 3.11 & 3.13 & 3.15

[19a-225B-5] High efficient lateral coupling integration of VCSEL and slow-light amplifier

〇Masashi Takanohashi¹, Keisuke Shimura¹, Xiodong Gu¹, Masanori Nakahama¹, Akihiro Matsutani¹, Takahiro Sakaguchi¹, Fumio Koyama¹ (1.Tokyo Tech)

Keywords:VCSEL

High power and high beam quality lasers are required for laser processing and optical sensors such as LiDAR. In our laboratory, we achieved an output of 260 mW with a slow-light optical amplifier, but an external light source is used as a light source. Lateral integration using VCSEL as light source is possible but low light coupling efficiency is a problem. In this report, we propose a composition of high efficiency lateral coupling using optical confinement effect due to cutoff wavelength difference and report on coupling efficiency calculation.