Title :
Focusing Effect in Multimode Vertical-Cavity Surface-Emitting Lasers by Parallel Trenches Surface Profiling
Author :
Tee, C.W. ; Zhao, X. ; Ingham, J.D. ; Penty, R.V. ; White, I.H.
Author_Institution :
Centre for Photonic Systems, Cambridge University Engineering Department, UK; cwt23@cam.ac.uk
Abstract :
Surface profiling of parallel trenches is shown to be capable of introducing a transverse waveguiding effect to the optical modes of a gain-guided VCSEL, resulting in a dramatic reduction of emission spot-size and spatial filamentation.
Keywords :
Apertures; Distributed Bragg reflectors; Etching; Focusing; Laser beams; Optical surface waves; Particle beams; Surface emitting lasers; Surface waves; Vertical cavity surface emitting lasers;
Conference_Titel :
Lasers and Electro-Optics, 2005. CLEO/Pacific Rim 2005. Pacific Rim Conference on
Print_ISBN :
0-7803-9242-6
DOI :
10.1109/CLEOPR.2005.1569420
