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 us [K. Usami, et al., Nature Phys. 8, 168 (2012)] 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.

arXiv comment13 pages, 4 figures

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Cited by in corpus (8)

• Strong coupling and long-range collective interactions in optomechanical arrays
• Collectively-enhanced optomechanical coupling in periodic arrays of scatterers
• Tensile strained $I{n}_{x}G{a}_{1-x}P$ membranes for cavity optomechanics
• Mirror-Field Entanglement in a Microscopic model for Quantum Optomechanics
• Quantum optomechanics of a multimode system coupled via photothermal and radiation pressure force
• Dueling Dynamical Backaction in a Cryogenic Optomechanical Cavity
• Carrier-mediated optomechanical forces in semiconductor nanomembranes with coupled quantum wells
• Mechanically modulated emission spectra and blockade of polaritons