Title :
Measurement of guiding effects in vertical-cavity surface-emitting lasers
Author :
Raddatz, L. ; White, I.H. ; Summers, H.D. ; Hahn, K.H. ; Tan, M.R. ; Wang, S.Y.
Author_Institution :
Sch. of Phys., Bath Univ., UK
fDate :
6/1/1996 12:00:00 AM
Abstract :
Wave-guiding mechanisms in large area InGaAs-GaAs MQW vertical-cavity surface-emitting lasers (VCSELs) have been investigated using novel spatially and spectrally resolved measurements of spontaneous and stimulated emission. Carrier induced anti-guiding is found to be important despite the presence of other guiding mechanisms.
Keywords :
III-V semiconductors; gallium arsenide; indium compounds; laser cavity resonators; laser variables measurement; quantum well lasers; spontaneous emission; stimulated emission; surface emitting lasers; waveguide lasers; InGaAs-GaAs; carrier induced anti-guiding; guiding effects; guiding mechanisms; large area InGaAs-GaAs MQW vertical-cavity surface-emitting lasers; spatially resolved measurements; spectrally resolved measurements; spontaneous emission; stimulated emission; vertical-cavity surface-emitting lasers; wave-guiding mechanisms; Fiber lasers; Lenses; Optical coupling; Optical fiber devices; Refractive index; Spatial resolution; Stimulated emission; Surface emitting lasers; Threshold current; Vertical cavity surface emitting lasers;
Journal_Title :
Photonics Technology Letters, IEEE
