Title :
Analysis of beam quality limitations in high brightness gain guided tapered lasers
Author :
Borruel, L. ; Sujecki, S. ; Wykes, J. ; Wenzel, H. ; Larkins, E.C. ; Esquivias, I.
Author_Institution :
Dpto.TecnoI. Fotonica, Univ. Politecnica de Madrid, Spain
Abstract :
Numerical simulations of gain guided tapered lasers have been applied to achieve a physical insight into the beam quality limitation mechanisms and to provide guidelines to optimise the device design. The analysis is based on a numerical model which has demonstrated an excellent agreement with experiments for different geometries and lasing wavelengths, providing useful insight on the internal processes.
Keywords :
brightness; laser beams; light diffraction; optical design techniques; optical filters; optical hole burning; optical self-focusing; semiconductor lasers; thermal lensing; beam diffraction; beam quality limitations; device design optimisation; filamentation; gain guided tapered lasers; geometrical design parameters; high brightness; internal processes; lasing wavelengths; modal filtering; numerical simulations; self-focusing; spatial hole burning; thermal lensing; Brightness; Design optimization; Geometrical optics; Guidelines; Laser beams; Laser modes; Laser theory; Numerical models; Numerical simulation; Optical design;
Conference_Titel :
Numerical Simulation of Optoelectronic Devices, 2004. NUSOD '04. Proceedings of the 4th International Conference on
Print_ISBN :
0-7803-8530-6
DOI :
10.1109/NUSOD.2004.1345086
