Optomechanical Cooling of a Macroscopic Oscillator by Homodyne Feedback

1998/01/26 by Stefano Mancini, David Vitali, Paolo Tombesi · 15 citations
Computer Science · Physics and Astronomy · #Advanced Thermodynamics and Statistical Mechanics #Mechanical and Optical Resonators #Quantum Information and Cryptography #quant-ph

paper · pdf · doi:10.1103/physrevlett.80.688

published as Phys.Rev.Lett. 80 (1998) 688 · 9 pages, RevTeX, Figures available from authors, to appear in Phys. Rev. Lett

openalex publication_date 1998/01/26 · arxiv created 1998/02/12 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We propose a simple optomechanical model in which a mechanical oscillator quadrature could be ``cooled'' well below its equilibrium temperature by applying a suitable feedback to drive the orthogonal quadrature by means of the homodyne current of the radiation field used to probe its position.

Citations

• Quantum theory of optical feedback via homodyne detection
• Quantum theory of continuous feedback

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