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Related papers: Optomechanical cooling beyond the quantum backacti…

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Although they have enabled several advances in the field of optomechanics, optomechanical disk resonators have not yet been operated in the quantum regime. We present the first experimental demonstration of an optomechanical disk resonator…

Dissipation and the accompanying fluctuations are often seen as detrimental for quantum systems, since they are associated with fast relaxation and loss of phase coherence. However, it has been proposed that a pure state can be prepared if…

This paper gives an brief review of the basic physics of quantum optomechanics and provides an overview of some of its recent developments and current areas of focus. It first outlines the basic theory of cavity optomechanical cooling and…

Quantum Physics · Physics 2015-06-11 P. Meystre

We demonstrate cavity sideband cooling of a single collective motional mode of an atomic ensemble down to a mean phonon occupation number of 2.0(-0.3/+0.9). Both this minimum occupation number and the observed cooling rate are in good…

We use a reservoir engineering technique based on two-tone driving to generate and stabilize a quantum squeezed state of a micron-scale mechanical oscillator in a microwave optomechanical system. Using an independent backaction evading…

Quantum Physics · Physics 2016-09-07 C. U. Lei , A. J. Weinstein , J. Suh , E. E. Wollman , A. Kronwald , F. Marquardt , A. A. Clerk , K. C. Schwab

We propose an optomechanical dissipation engineering scheme by introducing an ancillary mechanical mode with a large decay rate to control the density of states of the optical mode. The effective linewidth of the optical mode can be reduced…

Quantum Physics · Physics 2020-07-01 Yan-Lei Zhang , Chuan-Sheng Yang , Zhen Shen , Chun-Hua Dong , Guang-Can Guo , Chang-Ling Zou , Xu-Bo Zou

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

Preparing mechanical systems in their lowest possible entropy state, the quantum ground state, starting from a room temperature environment is a key challenge in quantum optomechanics. This would not only enable creating quantum states of…

Optics · Physics 2020-06-25 Jingkun Guo , Richard A. Norte , Simon Gröblacher

In general, ground state cooling using optomechanical interaction is realized in the regime where optical dissipation is higher than mechanical dissipation. Here, we demonstrate that optomechanical ground state cooling in a continuous…

Quantum Physics · Physics 2022-08-16 Changlong Zhu , Birgit Stiller

Observing a physical quantity without disturbing it is a key capability for the control of individual quantum systems. Such back-action-evading or quantum-non-demolition measurements were first introduced in the 1970s in the context of…

Quantum Physics · Physics 2013-08-21 M. R. Vanner , J. Hofer , G. D. Cole , M. Aspelmeyer

The maximum amplitude of mechanical oscillators coupled to optical cavities are studied both analytically and numerically. The optical backaction on the resonator enables self-sustained oscillations whose limit cycle is set by the dynamic…

Optics · Physics 2013-10-23 M. Poot , K. Y. Fong , M. Bagheri , W. H. P. Pernice , H. X. Tang

We theoretically investigate a quadratic optomechanical system comprising a single-mode optical cavity linearly coupled to one mechanical resonator and quadratically coupled to a second resonator. By tuning the cavity detuning and…

Quantum Physics · Physics 2026-05-26 Huanhuan Wei , Yun Chen , Jing Tang , Yuangang Deng

The demonstration of a quantum link between microwave and optical frequencies would be an important step towards the realization of a quantum network of superconducting processors. A major impediment to quantum electro-optic transduction in…

We experimentally demonstrate optoacoustic cooling via stimulated Brillouin-Mandelstam scattering in a 50 cm-long tapered photonic crystal fiber. For a 7.38 GHz acoustic mode, a cooling rate of 219 K from room temperature has been achieved.…

Ultra-fast stochastic cooling would be desirable in certain applications, for example, in order to boost final luminosity in a muon collider or neutrino factory, where short particle lifetimes severely limit the total time available to…

Accelerator Physics · Physics 2009-05-06 A. E. Charman , J. S. Wurtele

We propose a novel cooling scheme for realising single photon sideband cooling on particles trapped in a state-dependent optical potential. We develop a master rate equation from an ab-initio model and find that in experimentally feasible…

Quantum Gases · Physics 2022-02-11 Federico Berto , Elia Perego , Lucia Duca , Carlo Sias

Optomechanical cooling is a prerequisite for many exotic applications promised by modern quantum technology and it is crucial to achieve it in short times, in order to minimize the undesirable effects of the environment. We formulate cavity…

Quantum Physics · Physics 2016-09-09 Dionisis Stefanatos

The radiation-pressure driven interaction of a coherent light field with a mechanical oscillator induces correlations between the amplitude and phase quadratures of the light. These correlations result in squeezed light -- light with…

Ground-state cooling of mechanical resonators is a prerequisite for the observation of various quantum effects in optomechanical systems and thus has always been a crucial task in quantum optomechanics. In this paper, we study how to…

Quantum Physics · Physics 2025-01-13 Lei Du , Juliette Monsel , Witlef Wieczorek , Janine Splettstoesser

In this paper we discuss how red-sideband cooling is modified in the single-photon strong-coupling regime of cavity optomechanics where the radiation pressure of a single photon displaces the mechanical oscillator by more than its…

Mesoscale and Nanoscale Physics · Physics 2012-06-19 A. Nunnenkamp , K. Borkje , S. M. Girvin