Electromagnetically induced transparency in an inverted-Y system of interacting cold atoms

Dong Yan, Yi-Mou Liu, Qian-Qian Bao, Chang-Bao Fu, and Jin-Hui Wu
Phys. Rev. A 86, 023828 – Published 17 August 2012

Abstract

We study the transmitted intensity and correlation properties of a probe field traveling through a sample of interacting cold 87Rb atoms driven into the inverted Y configuration. Two windows of electromagnetically induced transparency are found in the transmission spectrum, which are either sensitive or immune to the input probe intensity. This means that one window is accompanied by cooperative optical nonlinearity while the other is a result of a linear optical response. Moreover, we find sufficiently suppressed two-photon correlation within the nonlinear window and greatly enhanced two-photon correlation between the linear and nonlinear windows. In the case of the degenerate window, however, it is viable to conceal the cooperative optical nonlinearity behind the linear optical response. This then allows us considerable flexibility to manipulate the propagation and evolution of a quantum light field.

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  • Received 3 April 2012

DOI:https://doi.org/10.1103/PhysRevA.86.023828

©2012 American Physical Society

Authors & Affiliations

Dong Yan1,2, Yi-Mou Liu1, Qian-Qian Bao1, Chang-Bao Fu1, and Jin-Hui Wu1,*

  • 1College of Physics, Jilin University, Changchun 130012, People’s Republic of China
  • 2School of Science, Changchun University, Changchun 130022, People’s Republic of China

  • *jhwu@jlu.edu.cn

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Vol. 86, Iss. 2 — August 2012

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