Relaxation bottleneck and its suppression in semiconductor microcavities

Tartakovskii, A.I., Emam-Ismail, M., Stevenson, R.M., Skolnick, M.S., Astratov, V.N., Whittaker, D.M., Baumberg, J.J. and Roberts, J.S. (2000) Relaxation bottleneck and its suppression in semiconductor microcavities. PHYSICAL REVIEW B, 62, (4), R2283-R2286.


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A polariton relaxation bottleneck is observed in angle-resolved measurements of photoluminescence emission from a semiconductor microcavity. For low power laser excitation, low k polariton states are found to have a very small population relative to those at high k. The bottleneck is found to be strongly suppressed at higher powers in the regime of superlinear emission of the lower polariton states. Evidence for the important role of carrier-carrier scattering in suppression of the bottleneck is presented.

Item Type: Article
Related URLs:
Divisions : Faculty of Physical Sciences and Engineering > Electronics and Computer Science > NANO
ePrint ID: 256714
Accepted Date and Publication Date:
July 2000Published
Date Deposited: 04 Aug 2002
Last Modified: 27 Mar 2014 19:58
Further Information:Google Scholar

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