Title :
Factors influencing the brightness and beam quality of tapered laser diodes and bars
Author :
Lim, J.J. ; Bull, S. ; Kaunga-Nyirenda, S. ; Sujecki, S. ; Larkins, E.C. ; Hasler, K. -H ; Fricke, J.
Author_Institution :
Div. of Electr. Syst. & Opt., Univ. of Nottingham, Nottingham, UK
Abstract :
This paper examines some of the factors affecting the brightness of high-power tapered lasers, including bleaching of the ridge waveguide and mismatch between the taper and the beam diffraction angle, which excite high-order modes.
Keywords :
brightness; laser beams; laser modes; light diffraction; optical saturable absorption; quantum well lasers; ridge waveguides; waveguide lasers; beam diffraction angle; beam quality; bleaching; brightness; high-order modes; high-power tapered laser bars; ridge waveguide; tapered laser diodes; Brightness; Distributed Bragg reflectors; Laser beams; Laser modes; Optical diffraction; Optical waveguides; Waveguide lasers; high-brightness tapered laser diode; simulation;
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.2012.6280736