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arXiv · 1508.04407

Measurement of exciton correlations using electrostatic lattices

M. Remeika·J. R. Leonard·C. J. Dorow·M. M. Fogler·L. V. Butov·M. Hanson·A. C. Gossard
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Abstract

We present a method for determining correlations in a gas of indirect excitons in a semiconductor quantum well structure. The method involves subjecting the excitons to a periodic electrostatic potential that causes modulations of the exciton density and photoluminescence (PL). Experimentally measured amplitudes of energy and intensity modulations of exciton PL serve as an input to a theoretical estimate of the exciton correlation parameter and temperature. We also present a proof-of-principle demonstration of the method for determining the correlation parameter and discuss how its accuracy can be improved.

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M. Remeika, J. R. Leonard, C. J. Dorow, M. M. Fogler, L. V. Butov, M. Hanson, A. C. Gossard. 2016-04-05. Measurement of exciton correlations using electrostatic lattices. https://doi.org/10.1103/physrevb.92.115311

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