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Quantum measurements of mechanical systems can produce optical squeezing via ponderomotive forces. Its observation requires high environmental isolation and efficient detection, typically achieved by using optical cavities and cryogenic…

We theoretically study the radiation-induced interaction between the mechanical motion of an oscillating mirror and a remotely trapped atomic cloud. When illuminated by continuous-wave radiation, the mirror motion will induce red and blue…

Quantum Physics · Physics 2018-10-26 Hoi-Kwan Lau , Alexander Eisfeld , Jan-Michael Rost

Dynamical backaction has proven to be a versatile tool in cavity optomechanics, allowing for precise manipulation of a mechanical resonator's motion using confined optical photons. In this work, we present measurements of a silicon…

Mesoscale and Nanoscale Physics · Physics 2019-05-07 B. D. Hauer , T. J. Clark , P. H. Kim , C. Doolin , J. P. Davis

Recent experimental progress in cavity optomechanics has allowed cooling of mesoscopic mechanical oscillators via dynamic backaction provided by the parametric coupling to either an optical or an electrical resonator. Here we analyze the…

Mesoscale and Nanoscale Physics · Physics 2010-07-29 J. M. Dobrindt , I. Wilson-Rae , T. J. Kippenberg

We present detailed discussions of cooling and trapping mechanisms for an atom in an optical trap inside an optical cavity, as relevant to recent experiments. The interference pattern of cavity QED and trapping fields in space makes the…

Quantum Physics · Physics 2009-11-06 S. J. van Enk , J. McKeever , H. J. Kimble , J. Ye

We analyze the quantum regime of the dynamical backaction cooling of a mechanical resonator assisted by a driven harmonic oscillator (cavity). Our treatment applies to both optomechanical and electromechanical realizations and includes the…

Mesoscale and Nanoscale Physics · Physics 2009-09-04 I. Wilson-Rae , N. Nooshi , J. Dobrindt , T. J. Kippenberg , W. Zwerger

We present a scheme for ground-state cooling of a mechanical resonator by simultaneously coupling it to a superconducting qubit and a cavity field. The Hamiltonian describing the hybrid system dynamics is systematically derived. The cooling…

Quantum Physics · Physics 2021-08-18 Roson Nongthombam , Ambaresh Sahoo , Amarendra K. Sarma

We develop a theoretical framework to describe how zero-photon detection may be utilized to enhance laser cooling via the anti-Stokes interaction and, somewhat surprisingly, enable cooling via the Stokes interaction commonly associated with…

We investigate the nonlinear interaction between a squeezed cavity mode and a mechanical mode in an optomechanical system (OMS) that allows us to selectively obtain either a radiation-pressure coupling or a parametric-amplification process.…

Quantum Physics · Physics 2015-06-23 Xin-You Lü , Ying Wu , J. R. Johansson , Hui Jing , Jing Zhang , Franco Nori

We investigate the dynamics of an optomechanical system where a cavity with a movable mirror involves a degenerate optical parametric amplifier and is driven by a periodically modulated laser field. Our results show that the cooperation…

Quantum Physics · Physics 2018-08-15 Chang-Sheng Hu , Zhen-Biao Yang , Huaizhi Wu , Yong Li , Shi-Biao Zheng

In this manuscript, we investigate the enhancement of the transfer of quantum correlations from squeezed light to movable mirrors within an optomechanical system. This enhancement was achieved via the injection of squeezed light in the…

Quantum Physics · Physics 2023-11-06 Noura Chabar , M'bark Amghar , Mohamed Amazioug , Mostafa Nassik

We demonstrate the optomechanical cooling of a tapered optical nanofiber by coupling the polarization of light to the mechanical angular momentum of the system. The coupling is enabled by birefringence in the fiber and does not make use of…

In this paper, we study static bistability and mechanical cooling of a dissipative optomechanical cavity filled with a Kerr medium. The system exhibits optical bistability for a wide input-power range with the power threshold being greatly…

Quantum Physics · Physics 2023-08-16 Ye Liu , Yang Liu , Chang-Sheng Hu , Yun-Kun Jiang , Huaizhi Wu , Yong Li

Quantum squeezing in mechanical systems is not only a key signature of macroscopic quantum effects, but can also be utilized to advance the metrology of weak forces. Here we show that strong mechanical squeezing in the steady state can be…

Quantum Physics · Physics 2015-01-26 Xin-You Lü , Jie-Qiao Liao , Lin Tian , Franco Nori

We present a theoretical scheme for ground state cooling of a mechanical resonator in a membrane-in-middle optomechanical system (OMS) driven by two red-detuned drive fields. The details of dynamical evolution of OMS are provided, and the…

Quantum Physics · Physics 2019-02-27 Chuan Wang , Qing Lin , Bing He

I discuss the robustness of the pumped cavity dynamics against phase diffusion of the laser and conclude that opto-mechanical cooling has extreme sensitivity compared to laser cooling of atoms. Certain proposals of ground state…

Quantum Physics · Physics 2008-08-07 Lajos Diósi

Radiation pressure forces in cavity optomechanics allow for efficient cooling of vibrational modes of macroscopic mechanical resonators, the manipulation of their quantum states, as well as generation of optomechanical entanglement. The…

Quantum Physics · Physics 2019-02-07 Ondřej Černotík , Claudiu Genes , Aurélien Dantan

Ponderomotive squeezing of light, where a mechanical oscillator creates quantum correlations between the phase and amplitude of the interacting light field, is a canonical signature of the quantum regime of optomechanics. At room…

Quantum Physics · Physics 2024-02-16 Guanhao Huang , Alberto Beccari , Nils J. Engelsen , Tobias J. Kippenberg

We consider an optomechanical cavity that is driven stroboscopically by a train of short pulses. By suitably choosing the inter-pulse spacing we show that ground-state cooling and mechanical squeezing can be achieved, even in the presence…

Quantum Physics · Physics 2020-07-06 Matteo Brunelli , Daniel Malz , Albert Schliesser , Andreas Nunnenkamp

We implement a cavity opto-electromechanical system integrating electrical actuation capabilities of nanoelectromechanical devices with ultrasensitive mechanical transduction achieved via intra-cavity optomechanical coupling. Electrical…

Quantum Physics · Physics 2015-05-14 Kwan H. Lee , Terry G. McRae , Glen I. Harris , Joachim Knittel , Warwick P. Bowen