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We report the cavity quantum electrodynamics conditions using a composite photonic crystal symmetric cavity (CPCSC) on an optical nanocapillary fiber (NCF). The CPCSC is formed by combining the NCF and the symmetric defect mode…

Quantum Physics · Physics 2025-07-09 Srinu Gadde , Jelba John , Elaganuru Bashaiah , Ramachandrarao Yalla

We analyze a cavity optomechanical setup, in which position of an oscillator modulates optical loss. We show that in such setup quantum limited position measurements can be performed if the external cavity coupling rate matches the optical…

Quantum Physics · Physics 2019-07-31 A. K. Tagantsev , S. A. Fedorov

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 study the effect of cavity damping asymmetries on backaction in a "membrane-in-the-middle" optomechanical system, where a mechanical mode modulates the coupling between two photonic modes. We show that in the adiabatic limit, this system…

Quantum Physics · Physics 2016-06-15 Yariv Yanay , Jack C. Sankey , Aashish A. Clerk

A cavity opto-electromechanical system is reported which combines the ultrasensitive transduction of cavity optomechanical systems with the electrical actuation of nanoelectromechanical systems. Ultrasensitive mechanical transduction is…

Quantum Physics · Physics 2015-05-19 Terry G. McRae , Kwan H. Lee , Glen I. Harris , Joachim Knittel , Warwick P. Bowen

We realise a feedback-controlled optical Fabry-Perot cavity in which the transmitted cavity output is used to modulate the input amplitude fluctuations. The resulting phase-dependent fluctuations of the in-loop optical field, which may be…

We propose a three-mode optomechanical system to realize optical nonreciprocal transmission with unidirectional amplification, where the system consists of two coupled cavities and one mechanical resonator which interacts with only one of…

Quantum Physics · Physics 2020-08-05 L. N. Song , Qiang Zheng , Xun-Wei Xu , Cheng Jiang , Yong Li

We put forward a deterministic dissipative protocol to prepare phonon Fock states in nonlinear quantum optomechanical devices. The system is composed of a mechanical mode interacting with an optical field via radiation pressure, whereas the…

Quantum Physics · Physics 2019-05-01 G. D. De Moraes Neto , V. Montenegro , V. F. Teizen , E. Vernek

We put forward a dissipative preparation scheme for strongly correlated photon states. Our approach is based on a two-photon loss mechanism that is realised via a single four-level atom inside a bimodal optical cavity. Each elementary…

Quantum Physics · Physics 2015-06-03 Martin Kiffner , Uwe Dorner , Dieter Jaksch

We report a study of a cavity optomechanical system driven by narrow-band electromagnetic fields, which are applied either in the form of uncorrelated noise, or as a more structured spectrum. The bandwidth of the driving spectra is smaller…

We study the steady-state photon statistics of a quadratically coupled optomechanical cavity, which is weakly driven by a monochromatic laser field. We examine the photon blockade by evaluating the second-order correlation function of the…

Quantum Physics · Physics 2013-08-30 Jie-Qiao Liao , Franco Nori

Harmonic oscillators belong to the most fundamental concepts in physics and are central to many current research fields such as circuit QED, cavity optomechanics and photon-pressure systems. Here, we engineer a microwave mode in a…

Quantum Physics · Physics 2024-05-24 Ines C. Rodrigues , Gary A. Steele , Daniel Bothner

Aiming at application for gravitational wave (GW) detection, we propose a novel scheme how to obtain quantum back action evading measurements performed on an opto-mechanical cavity, by introducing a negative radiation pressure coupling…

Quantum Physics · Physics 2025-03-17 Souvik Agasti , Abhishek Shukla , Milos Nesladek

In cavity optomechanics, nanomechanical motion couples to a localized optical mode. The regime of single-photon strong coupling is reached when the optical shift induced by a single phonon becomes comparable to the cavity linewidth. We…

Mesoscale and Nanoscale Physics · Physics 2013-04-22 Max Ludwig , Amir H. Safavi-Naeini , Oskar Painter , Florian Marquardt

We study cross-Kerr (CK) effect on an optomechanical system driven by two-tone fields. We show that in the presence of the CK effect, a bistable behavior of the mean photon number in the cavity becomes more robust against the fluctuations…

Quantum Physics · Physics 2016-03-04 Wei Xiong , Da-Yu Jin , Yueyin Qiu , Chi-Hang Lam , J. Q. You

We propose a spectrometric method to detect a classical weak force acting upon the moving end mirror in a cavity optomechanical system. The force changes the equilibrium position of the end mirror, and thus the resonance frequency of the…

Quantum Physics · Physics 2020-09-15 Yue-Hui Zhou , Qing-Shou Tan , Xi-Ming Fang , Jin-Feng Huang , Jie-Qiao Liao

We present a feasible protocol using traveling wave field to experimentally observe negative response, i.e., to obtain a decrease in the output field intensity when the input field intensity is increased. Our protocol uses one beam splitter…

Quantum Physics · Physics 2017-07-19 R. J. de Assis , C. J. Villas-Boas , N. G. de Almeida

We study the photon statistics of a cavity linearly coupled to an optomechanical system via second order correlation functions. Our calculations show that the cavity can exhibit strong photon antibunching even when optomechanical…

Quantum Physics · Physics 2013-04-22 Xun-Wei Xu , Yuan-Jie Li

Mechanical motion of photonic devices driven by optical forces provides a profound means of coupling between optical fields. The current focus of these optomechanical effects has been on cavity optomechanics systems in which co-localized…

Quantum Physics · Physics 2015-04-06 Huan Li , Mo Li

The field of cavity optomechanics has achieved groundbreaking photonic control and detection of mechanical oscillators, based on their coupling to linear electromagnetic modes. Lately, however, there is an uprising interest in exploring…

Quantum Physics · Physics 2022-12-08 Daniel Bothner , Ines C. Rodrigues , Gary A. Steele