Title :
Blue GaN-based surface-emitting lasers incorporating a sub-wavelength high contrast grating
Author :
Tzeng-Tsong Wu ; Shu-Hsien Wu ; Hao-wen Chen ; Tien-Chang Lu ; Shing-Chung Wang
Author_Institution :
Dept. of Photonics, Nat. Chiao Tung Univ., Hsinchu, Taiwan
Abstract :
Blue GaN-based surface-emitting lasers incorporating a sub-wavelength high contrast grating were reported. The laser characteristics such as threshold energy, degree of polarization and divergence angle were measured to be 0.56 mJ/cm2, 73% and 12°.
Keywords :
III-V semiconductors; diffraction gratings; gallium compounds; laser beams; laser variables measurement; semiconductor lasers; surface emitting lasers; GaN; blue GaN-based surface-emitting lasers; degree of polarization; divergence angle; laser characteristics; subwavelength high contrast grating; threshold energy; Gallium nitride; Gratings; Measurement by laser beam; Q-factor; Vertical cavity surface emitting lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
