Infoscience

Journal article

Interferometric analysis of resonant Rayleigh scattering from two-dimensional excitons

We have performed spectral interferometry with Rayleigh scattered light coming from a single speckle and emitted after resonant creation of excitons in GaAs quantum wells:: The experiment confirms the coherence of the secondary emission at early times, regardless of sample:parameters. but underlines the stochastic nature of a single speckle. The scattered electric field is calculated, correctly accounting for the center-of-mass quantization in the disordered potential. We find that the amplitudes of the electric fields emitted by different excitons are uncorrelated, so that the well-known Poisson distribution for speckle intensities applies.

    Keywords: FEMTOSECOND SPECTRAL INTERFEROMETRY ; QUANTUM-WELLS ; SECONDARY-EMISSION ; TIME EVOLUTION ; LUMINESCENCE ; COHERENT

    Note:

    Swiss Fed Inst Technol, Dept Phys, IMO, CH-1015 Lausanne, Switzerland. Swiss Fed Inst Technol, Dept Phys, IPT, CH-1015 Lausanne, Switzerland. Haacke, S, Univ Lausanne, IPMC, CH-1015 Lausanne, Switzerland.

    ISI Document Delivery No.: 290ZD

    Times Cited: 7

    Cited Reference Count: 20

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    Reference

    Record created on 2007-08-31, modified on 2016-08-08

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