Longitudinal mode control in $20-30\ \mu\mathrm{m}$ long cavity GaN-based VCSELs with a curved mirror

Jared A. Kearn,Tatsushi Hamaguchi,Kentaro Hayashi,Maho Ohara,Tomohiro Makino,Maiko Ito,Noriko Kobayashi, Tatsuro Jyokawa,Eiji Nakayama,Shoetsu Nagane,Koichi Sato,Yuki Nakamura,Yukio Hoshina,Rintaro Koda

2022 28th International Semiconductor Laser Conference (ISLC)（2022）

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摘要

A single cavity filtering mirror was used to demonstrate single longitudinal mode operation for a VCSEL with a $\sim 25\ \mu \mathrm{m}$ cavity length. The 443.5 nm lasing peak had an SMSR of 42 dB at 9 mA, 70kA/cm2.

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