Title :
The modal content of high power broad area diode lasers with integrated distributed feedback gratings
Author :
Crump, P. ; Schultz, C.M. ; Ekhteraei, H. ; Wenzel, H. ; Erbert, G.
Author_Institution :
Leibniz-Inst. fur Hochstfrequenztech., Ferdinand-Braun-Inst., Berlin, Germany
Abstract :
The spectral width of high power DFB-BA lasers is shown to be limited at low powers (1-4W) by higher order vertical modes and at high powers (4-11W) by increasing numbers of thermally guided lateral modes.
Keywords :
distributed feedback lasers; integrated optics; laser modes; semiconductor lasers; high power broad area diode lasers; higher order vertical modes; integrated distributed feedback gratings; low powers; modal content; thermally guided lateral modes; Current measurement; Gratings; Lenses; Optical refraction; Optical variables control; Refractive index; Thermal lensing;
Conference_Titel :
Photonics Conference (PHO), 2011 IEEE
Conference_Location :
Arlington, VA
Print_ISBN :
978-1-4244-8940-4
DOI :
10.1109/PHO.2011.6110681
