Enhancement of mechanical effects of single photons in modulated two-mode optomechanics

Jie-Qiao Liao, C. K. Law, Le-Man Kuang, and Franco Nori

Phys. Rev. A 92, 013822 – Published 13 July 2015

Abstract

We propose an approach to enhance the mechanical effects of single photons in a two-mode optomechanical system. This is achieved by introducing a resonance-frequency modulation to the cavity fields. When the modulation frequency and amplitude satisfy certain conditions, the mechanical displacement induced by single photons could be larger than the quantum zero-point fluctuation of the oscillating resonator. This method can be used to create distinct mechanical superposition states.

Received 3 May 2015

DOI:https://doi.org/10.1103/PhysRevA.92.013822

Authors & Affiliations

Jie-Qiao Liao^1,2,*, C. K. Law³, Le-Man Kuang⁴, and Franco Nori^2,5

¹School of Natural Sciences, University of California, Merced, California 95343, USA
²CEMS, RIKEN, Saitama 351-0198, Japan
³Department of Physics and Institute of Theoretical Physics, The Chinese University of Hong Kong, Shatin, Hong Kong Special Administrative Region, China
⁴Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education, and Department of Physics, Hunan Normal University, Changsha 410081, China
⁵Department of Physics, The University of Michigan, Ann Arbor, Michigan 48109-1040, USA

^*jieqiaoliao@gmail.com

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Vol. 92, Iss. 1 — July 2015

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