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Trapping of Cold Excitons with Laser Light

A. T. Hammack·M. Griswold·L. V. Butov·L. E. Smallwood·A. L. Ivanov·A. C. Gossard
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Abstract

Optical trapping and manipulation of neutral particles has led to a variety of experiments from stretching DNA-molecules to trapping and cooling of neutral atoms. An exciting recent outgrowth of the technique is an experimental implementation of atom Bose-Einstein condensation. In this paper, we propose and demonstrate laser induced trapping for a new system--a gas of excitons in quantum well structures. We report on the trapping of a highly degenerate Bose gas of excitons in laser induced traps.

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A. T. Hammack, M. Griswold, L. V. Butov, L. E. Smallwood, A. L. Ivanov, A. C. Gossard. 2006-03-22. Trapping of Cold Excitons with Laser Light. https://doi.org/10.1103/physrevlett.96.227402

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