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Phys. Rev. Lett. 80, 4791–4794 (1998)

What Determines Inhomogeneous Linewidths in Semiconductor Microcavities?

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D. M. Whittaker
Toshiba Cambridge Research Centre, 260 Cambridge Science Park, Milton Road, Cambridge CB4 4WE, United Kingdom

Received 8 August 1997; revised 1 December 1997; published in the issue dated 25 May 1998

Microcavity inhomogeneous linewidths are calculated numerically using a microscopic two dimensional model of the polariton interaction with quantum well disorder. The calculations show that in most structures the linewidths are determined by disorder scattering between polariton and exciton states. This is because motional narrowing effectively removes the contribution due to multiple scattering between polariton states.

© 1998 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.80.4791
DOI:
10.1103/PhysRevLett.80.4791
PACS:
78.20.Bh, 71.35.Cc, 71.36.+c, 78.40.Pg