Fabrication of magnetically controllable random lasers using a laser-induced surface roughness

Hideki Fujiwara; Shohei Kawaguchi; Daiki Yonekawa; Hideo Kaiju

Presentation information

Oral presentation

3 Optics and Photonics » 3.1 Basic optics and frontier of optics

[14p-B408-1~16] 3.1 Basic optics and frontier of optics

Sat. Mar 14, 2020 1:15 PM - 6:15 PM B408 (2-408)

Tsutomu Shimura(Univ. of Tokyo), Yoshito Tanaka(Univ. of Tokyo), Hideki Fujiwara(Hokkaido Univ.), Tomohiro Yokoyama(阪大)

4:45 PM - 5:00 PM

[14p-B408-12] Fabrication of magnetically controllable random lasers using a laser-induced surface roughness

〇Hideki Fujiwara¹, Shohei Kawaguchi¹, Daiki Yonekawa¹, Hideo Kaiju^2,3 (1.Hokkai-Gakuen Univ., 2.Sci. Tech. Keio Univ., 3.CSRN Keio Univ.)

Keywords:random laser, gallium nitride, magnetic thin film

We succeeded to fabricate a surface roughness on a magnetic thin film-coated GaN substrate using a laser-induced surface roughness method and to control its lasing properties by applying an external magnetic field.