[11a-C310-1~12] 3.1 Basic optics and frontier of optics

9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)

[11a-C310-3] Fabrication of Microscale Electrically Driven Random Lasers Using Hydrothermal Synthesis

〇Hideki Fujiwara¹, Shu Sasaki¹ (1.Hokkai-Gakuen Univ.)

Keywords:

random laser,hydrothermal synthesis,electrically driven emission

To realize electrically driven random lasers, microscale ZnO structures were hydrothermally synthesized on a p-type GaN substrate using a laser-patterned Kapton tape as a growth mask. Electroluminescence measurements were performed by pressing a transparent conductive substrate onto the sample. The results showed an enhancement of the emission intensity due to the increase in the current density. Furthermore, ultraviolet emission originating from ZnO and spectral narrowing were observed, suggesting the possibility of laser oscillation.