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Journal Article

Exciton-mediated photothermal cooling in GaAs membranes

MPS-Authors

Hammerer,  Klemens
AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Fulltext (public)

1205.6726
(Preprint), 524KB

NewJoP_14_8_085024.pdf
(Any fulltext), 712KB

Supplementary Material (public)
There is no public supplementary material available
Citation

Xuereb, A., Usami, K., Naesby, A., Polzik, E. S., & Hammerer, K. (2012). Exciton-mediated photothermal cooling in GaAs membranes. New Journal of Physics, 14: 085024. doi:10.1088/1367-2630/14/8/085024.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000E-EA3B-D
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.