Messanae Universitas Studiorum

Theory of Transient Optical Nonlinearities in Semiconductor Microcavities

Girlanda, Raffaello and Savasta, Salvatore (2003) Theory of Transient Optical Nonlinearities in Semiconductor Microcavities. Laser Physics, 13 (2). pp. 264-269. ISSN 1614-6832


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We present a theory of ultrafast time-resolved nonlinear spectroscopy in semiconductor microcavitiesincluding the influence of many-body and correlation effects beyond mean-field calculations. The theory,in close agreement with a number of experimental results, shows that semiconductor microcavities provide aunique tool for measuring the spectrum of four-particle correlations. We apply the theory to analyze the polaritonparametric amplification in semiconductor microcavities. The obtained results demonstrate that exciton exciton collisions can be controlled and engineered to produce almost decoherence-free collisions for the realizationof completely optical microscopic devices

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Item Type: Article
Subjects: M.U.S. - Contributi Scientifici > 02 - Scienze fisiche
Depositing User: Stage ICCU
Date Deposited: 30 May 2005
Last Modified: 13 Apr 2010 11:20

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