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13 March 2024 Enhancing optomechanical cooling through breaking time-reversal symmetry
Jesse J. Slim, Javier del Pino, Menno Jansen, Roel Burgwal, Ewold Verhagen
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Proceedings Volume PC12902, Photonic Heat Engines: Science and Applications VI; PC129020F (2024) https://doi.org/10.1117/12.3000737
Event: SPIE OPTO, 2024, San Francisco, California, United States
Abstract
The question whether the efficiency of thermodynamic devices such as heat engines and refrigeration is altered through the breaking of time-reversal symmetry has been a topic of significant debate. We experimentally investigate the cooling of nanomechanical resonators in multimode optomechanical devices, in which time-reversal symmetry for thermal fluctuations can be broken through suitable temporal modulation of the radiation pressure control field. We study the resultant nonreciprocal transport of thermal vibrations, and show that the controlled breaking of time-reversal symmetry through synthetic magnetic fields can enhance the cooling performance, yielding lower phonon occupancies than the conventional limit.
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Jesse J. Slim, Javier del Pino, Menno Jansen, Roel Burgwal, and Ewold Verhagen "Enhancing optomechanical cooling through breaking time-reversal symmetry", Proc. SPIE PC12902, Photonic Heat Engines: Science and Applications VI, PC129020F (13 March 2024); https://doi.org/10.1117/12.3000737
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KEYWORDS
Laser resonators
Quantum frequencies
Quantum networks
Modulation frequency
Quantum devices
Quantum efficiency
Quantum enhancement
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