[26p-E301-1~12] 3.13 Semiconductor optical devices

[26p-E301-1] [The 43rd JSAP Paper Award Speech] Room-temperature continuous-wave operation of green vertical-cavity surface-emitting lasers with a curved mirror fabricated on {20−21} semi-polar GaN

〇Tatsushi Hamaguchi¹, Yukio Hoshina¹, Kentaro Hayashi¹, Masayuki Tanaka¹, Maho Ohara¹, Tatsuro Jyokawa¹, Noriko Kobayashi¹, Hideki Watanabe¹, Mikihiro Yokozeki¹, Jared Kearns¹, Maiko Ito¹, Tomohiro Makino¹, Shoetsu Nagane¹, Koichi Sato¹, Takumi Watanabe¹, Yuichiro Kikuchi¹, Yuki Nakamura¹, Eiji Nakayama¹, Rintaro Koda¹, Katsunori Yanashima², Noriyuki Futagawa¹ (1.Tokyo laboratory 06, R&D center, Sony Group, 2.Tokyo laboratory 04, R&D center, Sony Group)

Keywords:vertical-cavity surface-emitting lasers, VCSEL, Gallium Nitride

This is the award lecure for the paper titled as "Room-temperature continuous-wave operation of green vertical-cavity surface-emitting lasers with a curved mirror fabricated on {20−21} semi-polar GaN" published in Applied Physics Express in 2020 and selected for JSAP Paper Award in 2021. This talk reviews the content apprears in the paper as conitnuous-wave operation at 515 nm with I_th of 1.8 mA for an unique device strcutreus with curved mirror fabricated over backside of {20−21} GaN substrate. This talk also ntroduces the latest progress given after the paper.