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We identify signatures of the intrinsic nonlinear interaction between light and mechanical motion in cavity optomechanical systems. These signatures are observable even when the cavity linewidth exceeds the optomechanical coupling rate. A…

Mesoscale and Nanoscale Physics · Physics 2013-08-12 K. Borkje , A. Nunnenkamp , J. D. Teufel , S. M. Girvin

We propose and analyze theoretically a cavity optomechanical analog of a heat pump that uses a polariton fluid to cool mechanical modes coupled to a single pre-cooled phonon mode via external modulation of the substrate of the mechanical…

Quantum Physics · Physics 2015-12-07 Ying Dong , F. Bariani , P. Meystre

We analyse the effect of optical feedback on the dynamics of external-cavity mode-locked semiconductor lasers operated in the long cavity regime. Depending on the ratio between the cavity round-trip time and the feedback delay, we show…

We propose a quantum heat engine based on a quadratically coupled optomechanical system. The optical component of the system is driven periodically with an incoherent thermal drive, which induces periodic oscillations in the mechanical…

Quantum Physics · Physics 2019-10-11 M. Tahir Naseem , Özgür E. Müstecaplıoğlu

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

A pulsed cooling scheme for optomechanical systems is presented that is capable of cooling at much faster rates, shorter overall cooling times, and for a wider set of experimental scenarios than is possible by conventional methods. The…

Imperfections in the surface of intracavity elements of an optical ring resonator can scatter light from one mode into the counterpropagating mode. The phase-locking of the cavity modes induced by this backscattering is a well-known example…

Optics · Physics 2009-11-13 G. Krenz , S. Bux , S. Slama , C. Zimmermann , Ph. W. Courteille

We consider a wide family of optical coherent feedback loops acting on an optomechanical system operating in the linearized regime. We assess the efficacy of such loops in improving key operations, such as cooling, steady-state squeezing…

Quantum Physics · Physics 2021-02-17 Alfred Harwood , Matteo Brunelli , Alessio Serafini

We report out-of-equilibrium stabilization of the collective spin of an atomic ensemble through autonomous feedback by a driven optical cavity. For a magnetic field applied at an angle to the cavity axis, dispersive coupling to the cavity…

Optomechanical systems show tremendous promise for high sensitivity sensing of forces and modification of mechanical properties via light. For example, similar to neutral atoms and trapped ions, laser cooling of mechanical motion by…

Quantum Physics · Physics 2017-06-07 Xunnong Xu , Thomas Purdy , Jacob M. Taylor

We describe and demonstrate a method to control a detuned movable-mirror Fabry-Perot cavity using radiation pressure in the presence of a strong optical spring. At frequencies below the optical spring resonance, self-locking of the cavity…

Most of the saturable absorbers commonly used to perform mode locking in laser cavities affect the trigger conditions of laser oscillation, which requires manually forcing the laser start-up by various means such as polarization…

Micro- and nanoscale optical or microwave cavities are used in a wide range of classical applications and quantum science experiments, ranging from precision measurements, laser technologies to quantum control of mechanical motion. The…

Quantum Physics · Physics 2022-05-06 Liu Qiu , Guanhao Huang , Itay Shomroni , Jiahe Pan , Paul Seidler , Tobias J. Kippenberg

We show that by manipulating quantum interference in a multi-atom cavity QED system, the nonlinear excitation of the cavity-atom polariton can be resonantly enhanced while the linear excitation is suppressed. Under appropriate conditions,…

Optics · Physics 2014-09-30 Guoqing Yang , Zheng Tan , Bichen Zou , Yifu Zhu

Cavity optomechanics enables active manipulation of mechanical resonators through backaction cooling and amplification. This ability to control mechanical motion with retarded optical forces has recently spurred a race towards realizing a…

Optics · Physics 2015-05-30 Mahmood Bagheri , Menno Poot , Mo Li , Wolfram P. H. Pernice , Hong X. Tang

Laser engineered exciton-polariton networks could lead to dynamically configurable integrated optical circuitry and quantum devices. Combining cavity optomechanics with electrodynamics in laser configurable hybrid designs constitutes a…

Optics · Physics 2021-02-17 P. Sesin , S. Anguiano , A. E. Bruchhausen , A. Lemaître , A. Fainstein

Looking at physical systems as computers allows us to regard physical properties, such as thermal noise, symmetry or topology, as unconventional resources for computation. However, harnessing these resources requires programming…

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

We discuss a simple yet surprisingly effective mechanism which allows the generation of squeezed output light from an optomechanical cavity. In contrast to the well known mechanism of "ponderomotive squeezing", our scheme generates squeezed…

Quantum Physics · Physics 2014-07-02 Andreas Kronwald , Florian Marquardt , Aashish A. Clerk

There is growing interest in using strongly coupled organic microcavities to tune molecular dynamics, including the electronic and vibrational properties of molecules. However, very little attention has been paid to the utility of cavity…

Materials Science · Physics 2024-06-12 Bin Liu , Vinod M. Menon , Matthew Y. Sfeir