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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Description/Abstract
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 |
| Item ID: | 256714 |
| Date Deposited: | 04 Aug 2002 |
| Last Modified: | 14 Aug 2012 01:40 |
| Contributors: | Tartakovskii, A.I. (Author) Emam-Ismail, M. (Author) Stevenson, R.M. (Author) Skolnick, M.S. (Author) Astratov, V.N. (Author) Whittaker, D.M. (Author) Baumberg, J.J. (Author) Roberts, J.S. (Author) |
| Date: | July 2000 |
| Status: | Published |
| Publisher: | The American Physical Society |
| Further Information: | Google Scholar |
| ISI Citation Count: | 56 |
| URI: | http://eprints.soton.ac.uk/id/eprint/256714 |
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