Polariton lasing by exciton-electron scattering in semiconductor microcavities
Malpuech, G, Kavokin, A, Di Carlo, A and Baumberg, J.J. (2002) Polariton lasing by exciton-electron scattering in semiconductor microcavities. PHYSICAL REVIEW B,, 65, (153310), 153310-1.
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The relaxation bottleneck present in the dispersion relation of exciton polaritons in semiconductor microcavities has prevented the realization of low threshold lasing based on exciton-polariton condensation. Here we show theoretically that the introduction of a cold electron gas into such structures induces efficient electronpolariton scattering. This process allows the condensation of the polaritons accumulated at the bottleneck to the final emitting state with a transition time of a few picoseconds, opening the way to a new generation of low-threshold light-emitting devices.
|Divisions:||Faculty of Physical Sciences and Engineering > Electronics and Computer Science > NANO
|Date Deposited:||18 Jul 2002|
|Last Modified:||02 Mar 2012 12:58|
|Publisher:||The American Physical Society|
|Further Information:||Google Scholar|
|ISI Citation Count:||104|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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