Theory of phase-adaptive parametric cooling

Ghosh A, Kumar P, Sommer C, Jimenez FG, Sudhir V, Genes C (2023)


Publication Type: Journal article

Publication year: 2023

Journal

Book Volume: 107

Article Number: 053521

Journal Issue: 5

DOI: 10.1103/PhysRevA.107.053521

Abstract

We propose an adaptive phase technique for the parametric cooling of mechanical oscillators. Our scheme calls for a sequence of periodic adjustments of the phase of a parametric modulation of the mechanical oscillator that is conditioned on measurements of its two quadratures. The technique indicates an exponential loss of thermal energy at initial high occupancies, similar in performance to other optomechanical techniques such as cold-damping or cavity self-cooling. As the quantum ground state is approached, the phase adaptive scheme leads to residual occupancies at the level of a few phonons owing to the competition between parametric amplification of quantum fluctuations and the feedback action.

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APA:

Ghosh, A., Kumar, P., Sommer, C., Jimenez, F.G., Sudhir, V., & Genes, C. (2023). Theory of phase-adaptive parametric cooling. Physical Review A, 107(5). https://doi.org/10.1103/PhysRevA.107.053521

MLA:

Ghosh, Alekhya, et al. "Theory of phase-adaptive parametric cooling." Physical Review A 107.5 (2023).

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