Optomechanical analog of two-color electromagnetically induced transparency: Photon transmission through an optomechanical device with a two-level system

Hui Wang, Xiu Gu, Yu-xi Liu, Adam Miranowicz, and Franco Nori
Phys. Rev. A 90, 023817 – Published 11 August 2014

Abstract

Some optomechanical systems can be transparent to a probe field when a strong driving field is applied. These systems can provide an optomechanical analog of electromagnetically induced transparency (EIT). We study the transmission of a probe field through a hybrid optomechanical system consisting of a cavity and a mechanical resonator with a two-level system (qubit). The qubit might be an intrinsic defect inside the mechanical resonator, a superconducting artificial atom, or another two-level system. The mechanical resonator is coupled to the cavity field via radiation pressure and to the qubit via the Jaynes-Cummings interaction. We find that the dressed two-level system and mechanical phonon can form two sets of three-level systems. Thus, there are two transparency windows in the discussed system. We interpret this effect as an optomechanical analog of two-color EIT (or double EIT). We demonstrate how to switch between one and two EIT windows by changing the transition frequency of the qubit. We show that the absorption and dispersion of the system are mainly affected by the qubit-phonon coupling strength and the transition frequency of the qubit.

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  • Received 18 February 2014

DOI:https://doi.org/10.1103/PhysRevA.90.023817

©2014 American Physical Society

Authors & Affiliations

Hui Wang1,2, Xiu Gu1, Yu-xi Liu1,2,3,*, Adam Miranowicz2,4, and Franco Nori2,5

  • 1Institute of Microelectronics, Tsinghua University, Beijing 100084, China
  • 2CEMS, RIKEN, Saitama 351-0198, Japan
  • 3Tsinghua National Laboratory for Information Science and Technology (TNList), Beijing 100084, China
  • 4Faculty of Physics, Adam Mickiewicz University, 61-614 Poznań, Poland
  • 5Physics Department, The University of Michigan, Ann Arbor, Michigan 48109-1040, USA

  • *yuxiliu@mail.tsinghua.edu.cn

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Vol. 90, Iss. 2 — August 2014

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