Scientific Results

Cavity optomechanics with feedback-controlled in-loop light

Year: 2018

Authors: Zippilli S., Kralj N., Rossi M., Di Giuseppe G., Vitali D.

Autors Affiliation: [Zippilli, Stefano; Kralj, Nenad; Di Giuseppe, Giovanni; Vitali, David] Univ Camerino, Sch Sci & Technol, Phys Div, I-62032 Camerino, MC, Italy.
[Zippilli, Stefano; Di Giuseppe, Giovanni; Vitali, David] INFN, Sez Perugia, I-06123 Perugia, Italy.
[Rossi, Massimiliano] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen, Denmark.
[Rossi, Massimiliano] Univ Copenhagen, Niels Bohr Inst, Ctr Hybrid Quantum Networks Hy Q, DK-2100 Copenhagen, Denmark.
[Vitali, David] CNR INO, Largo Enrico Fermi 6, I-50125 Florence, Italy.

Abstract: It has recently been shown [Rossi et al., Phys. Rev. Lett. 119, 123603 (2017); 120, 073601 (2018)] that feedback-controlled in-loop light can be used to enhance the efficiency of optomechanical systems. We analyze the theoretical ground at the basis of this approach and explore its potentialities and limitations. We discuss the validity of the model, analyze the properties of in-loop cavities, and show how they can be used to observe coherent optomechanical oscillations also with a weakly coupled system, improve the sideband cooling performance, and increase ponderomotive squeezing.

Journal/Review: PHYSICAL REVIEW A

Volume: 98 (2)      Pages from: 023828-1  to: 023828-19

KeyWords: mechanical oscillator; entanglement;
DOI: 10.1103/PhysRevA.98.023828

Citations: 1
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English