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  • Received: Dec. 13, 2006

    Accepted: --

    Posted: Jun. 27, 2007

    Published Online: Jun. 27, 2007

    The Author Email: Jian Luo (jlsiom@siom.ac.cn)

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    Jian Luo, Shangqing Gong, Yueping Niu, Xiaohong Song, Jun Qian, Ruxin Li. Phase evolution of the reemitted field in the semiconductor quantum wells under the femtosecond pulse train intersubband excitation[J]. Chinese Optics Letters, 2007, 5(5): 304

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Chinese Optics Letters, Vol. 5, Issue 5, 304 (2007)

Phase evolution of the reemitted field in the semiconductor quantum wells under the femtosecond pulse train intersubband excitation

Jian Luo*, Shangqing Gong, Yueping Niu, Xiaohong Song, Jun Qian, and Ruxin Li

Author Affiliations

  • State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800

Abstract

Property of the phase of the reemitted field in the semiconductor quantum wells (QWs) excited by femtosecond pulse train is investigated. It is shown that the phase evolution of the reemitted field is controlled by the relative phase between the successive pulses of the incident train. For all the odd pulses excitation, the reemitted field is from out-of-phase to in-phase, then again to out-of-phase with the incident pulses, whereas for all the even pulses excitation, the situation is the opposite, i.e., it is from in-phase to out-of-phase, then again to in-phase with the incident pulses.

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