Optomechanical Ramsey interferometry

Kenan Qu, Chunhua Dong, Hailin Wang, and G. S. Agarwal

Phys. Rev. A 90, 053809 – Published 5 November 2014

Abstract

We adopt Ramsey's method of separated oscillatory fields to study coherences of the mechanical system in an optomechanical resonator. The high-resolution Ramsey fringes are observed in the emission optical field, when two pulses separated in time are applied. We develop a theory to describe the transient optomechanical behavior underlying the Ramsey fringes. We also perform the experimental demonstration using a silica microresonator. The method is versatile and can be adopted for different types of mechanical resonators and electromechanical resonators.

Received 3 June 2014

DOI:https://doi.org/10.1103/PhysRevA.90.053809

Authors & Affiliations

Kenan Qu¹, Chunhua Dong^2,3,*, Hailin Wang⁴, and G. S. Agarwal¹

¹Department of Physics, Oklahoma State University, Stillwater, Oklahoma 74078, USA
²Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026, People's Republic of China
³Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
⁴Department of Physics, University of Oregon, Eugene, Oregon 97403, USA

^*chunhua@ustc.edu.cn

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Vol. 90, Iss. 5 — November 2014

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