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Single Mode Operation of Impurity-Induced Disordering Large Area Vertical Cavity Surface Emitting Lasers

Published online by Cambridge University Press:  10 February 2011

C. W. Lo  and
S. F. Yu
C. W. Lo
Affiliation:
The University of Hong Kong, Department of Electrical and Electronic Engineering, Pokfulam Road, Hong Kong.
S. F. Yu
Affiliation:
The University of Hong Kong, Department of Electrical and Electronic Engineering, Pokfulam Road, Hong Kong.
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Abstract

Vertical-cavity surface-emitting lasers (VCSELs) with suitable interdiffusion quantum wells profile by the use of selective impurity-induced disordering is proposed for high power single mode operation in large area devices. It is shown that the transverse optical confinement in the quantum well active region formed by the diffusion profile counteracts the influence of carrier spatial hole burning for VCSELs biased at high injection current Results indicate that a single mode operation can be maintained in VCSELs with the diameter of core region equal to 50μm.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 450: Symposium O – Infrared Applications of Semiconductors , 1996 , 147
Copyright
Copyright © Materials Research Society 1997

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References

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