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  • Received: Dec. 13, 2007

    Accepted: --

    Posted: May. 20, 2008

    Published Online: May. 20, 2008

    The Author Email: Shangqing Gong (


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    Hongjun Zhang, Yueping Niu, Hui Sun, Shangqing Gong. Enhanced Kerr nonlinearity in a negative refractive atomic medium[J]. Chinese Optics Letters, 2008, 6(5): 373

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Chinese Optics Letters, Vol. 6, Issue 5, 373 (2008)

Enhanced Kerr nonlinearity in a negative refractive atomic medium

Hongjun Zhang, Yueping Niu, Hui Sun, and Shangqing Gong*

Author Affiliations

  • State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 2018002 School of Physics and Information Technology, Shaanxi Normal University, Xi'an 7100623 Graduate University of Chinese Academy of Sciences, Beijing 100049


The Kerr nonlinearity of a left-handed material is analyzed in a four-level atomic system. It is shown that, due to the effect of quantum interference, a large enhanced Kerr nonlinearity accompanied by vanishing absorption can be realized via choosing appropriate parameters in this negative refraction atomic medium. It not only shows the large nonlinearity but also acts as the phase and amplitude compensating effects.


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