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Many Body Effects in Strained Quantum Well Lasers

Published online by Cambridge University Press:  22 February 2011

S. Banerjee ,
A. K. Srivastava ,
A. Bandyopadhyay  and
N. Chand
S. Banerjee
Affiliation:
Tata Institute of Fundamental Research, Bombay, India
A. K. Srivastava
Affiliation:
Tata Institute of Fundamental Research, Bombay, India
A. Bandyopadhyay
Affiliation:
Tata Institute of Fundamental Research, Bombay, India
N. Chand
Affiliation:
AT&T Bell Laboratories, Murray Hill, NJ, USA
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Abstract

Unusually large transverse magnetic component has been observed at energy corresponding to the edge of heavy hole band in the optical emission from unstrained and strained layer single quantum well lasers above threshold condition. The existing model of Fermi sea shake-up is inadequate to explain the enhancement in the TM component beyond lasing threshold. Our results indicate that under lasing conditions the directional properties of the emitting dipole arising from electronic transitions to the heavy hole band is modified such that the dipole moment has equal projections in x, y and z directions.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 300: Symposium D1 – III-V Electronic and Photonic Device Fabrication and Performance , 1993 , 145
Copyright
Copyright © Materials Research Society 1993

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References

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