Title :
Room temperature lasing characteristics in metal-cavity GaN shallow grating and spiral structures
Author :
Shu-Wei Liao ; Wei-Chun Liao ; Kuo-Ju Chen ; Min-Hsiung Shih ; Hao-Chung Kuo
Author_Institution :
Dept. of Photonics, Nat. Chiao Tung Univ., Hsinchu, Taiwan
Abstract :
We demonstrated a metal-cavity GaN spiral structure lasing at room temperature with the threshold power density about 17 W/cm2 under circularly polarized pumping condition. The emission wavelength is approximately 363 nm.
Keywords :
III-V semiconductors; diffraction gratings; gallium compounds; laser beams; optical pumping; semiconductor lasers; GaN; circularly polarized pumping condition; emission wavelength; metal-cavity GaN shallow grating; metal-cavity GaN spiral structure lasing; room temperature lasing characteristics; spiral structures; temperature 293 K to 298 K; threshold power density; wavelength 363 nm; Density measurement; Gallium nitride; Gratings; Lasers; Plasmons; Power system measurements; Spirals;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
