Title :
Low divergence semiconductor lasers by plasmonic collimation
Author :
Capasso, Federico ; Yu, Nanfang ; Fan, Jonathan ; Wang, Qi Jie ; Pflügl, Christian ; Diehl, Laurent ; Edamura, Tadataka ; Yamanishi, Masamichi ; Kan, Hirofumi
Author_Institution :
Sch. of Eng. & Appl. Sci., Harvard Univ., Cambridge, MA
Abstract :
This study has demonstrated that surface plasmons can be effectively employed for beam shaping of edge-emitting semiconductor lasers. This technique has greatly reduced their large intrinsic beam divergence by more than one order of magnitude, while preserving a high output power.
Keywords :
laser beams; plasmonics; semiconductor lasers; surface plasmons; beam divergence; beam shaping; edge-emitting lasers; high-output power laser; low divergence lasers; plasmonic collimation; semiconductor lasers; surface plasmons; Collimators; Gratings; Laser beams; Laser modes; Laser theory; Optical design; Optical films; Plasmons; Quantum cascade lasers; Semiconductor lasers;
Conference_Titel :
IEEE Lasers and Electro-Optics Society, 2008. LEOS 2008. 21st Annual Meeting of the
Conference_Location :
Acapulco
Print_ISBN :
978-1-4244-1931-9
Electronic_ISBN :
978-1-4244-1932-6
DOI :
10.1109/LEOS.2008.4688460
