Title :
High power Bragg reflection waveguide diode lasers with twin near-circular emission spots
Author :
Tong, Cunzhu ; Wang, Lijie ; Yang, Ye ; Zeng, Yugang ; Wang, Lijun
Author_Institution :
State Key Lab. of Luminescence & Applic., Changchun Inst. of Opt., Fine Mech. & Phys., Changchun, China
Abstract :
A novel semiconductor laser with two symmetrical near-circular emission spots separated at an angle of 62° was demonstrated using Bragg reflection waveguide. The low beam divergence of 5.4° and power of 2.6 W were achieved.
Keywords :
laser beams; light reflection; quantum well lasers; waveguide lasers; beam power; high power Bragg reflection waveguide diode lasers; low beam divergence; power 2.6 W; semiconductor laser; symmetrical near-circular emission spots; twin near-circular emission spots; Diode lasers; Laser beams; Laser noise; Measurement by laser beam; Surface emitting lasers; Waveguide lasers; Bragg reflection; semiconductor lasers; two spots;
Conference_Titel :
Photonics Society Summer Topical Meeting Series, 2012 IEEE
Conference_Location :
Seattle, WA
Print_ISBN :
978-1-4577-1526-6
DOI :
10.1109/PHOSST.2012.6280740
