Exciton-mediated photothermal cooling in GaAs membranes

André Xuereb; Koji Usami; Andreas Naesby; Eugene S. Polzik; Klemens Hammerer

doi:10.1088/1367-2630/14/8/085024

Exciton-mediated photothermal cooling in GaAs membranes

André Xuereb, Koji Usami, Andreas Naesby, Eugene S. Polzik, Klemens Hammerer

School of Mathematics and Physics

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Abstract

Cooling of the mechanical motion of a GaAs nano-membrane using the photothermal effect mediated by excitons was recently demonstrated by some of the authors (Usami et al 2012 Nature Phys. 8 168) and provides a clear example of the use of thermal forces to cool down mechanical motion. Here, we report on a single-free-parameter theoretical model to explain the results of this experiment which matches the experimental data remarkably well.

Original language	English
Article number	085024
Number of pages	14
Journal	New Journal of Physics
Volume	14
DOIs	https://doi.org/10.1088/1367-2630/14/8/085024
Publication status	Published - 29 Aug 2012

ASJC Scopus subject areas

General Physics and Astronomy

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10.1088/1367-2630/14/8/085024

Exciton-mediated photothermal cooling in GaAs membranes
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title = "Exciton-mediated photothermal cooling in GaAs membranes",

abstract = "Cooling of the mechanical motion of a GaAs nano-membrane using the photothermal effect mediated by excitons was recently demonstrated by some of the authors (Usami et al 2012 Nature Phys. 8 168) and provides a clear example of the use of thermal forces to cool down mechanical motion. Here, we report on a single-free-parameter theoretical model to explain the results of this experiment which matches the experimental data remarkably well.",

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AU - Naesby, Andreas

AU - Polzik, Eugene S.

AU - Hammerer, Klemens

PY - 2012/8/29

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AB - Cooling of the mechanical motion of a GaAs nano-membrane using the photothermal effect mediated by excitons was recently demonstrated by some of the authors (Usami et al 2012 Nature Phys. 8 168) and provides a clear example of the use of thermal forces to cool down mechanical motion. Here, we report on a single-free-parameter theoretical model to explain the results of this experiment which matches the experimental data remarkably well.

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Exciton-mediated photothermal cooling in GaAs membranes

Abstract

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