29 November 2012 Study of the threshold coupling strength for mutually pumped phase conjugator
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Abstract
Based on the four-wave mixing mechanism and fanning effect, the threshold coupling constant for mutually pumped phase conjugator (MPPC) with one interaction region and two interaction regions is studied in theory. The relation of the the threshold coupling strength for MPPC and the fanning intensity is studied. Due to the more efficient fanning, preset grating in MPPC has the ability to reduce threshold coupling constant and improve output efficiency. These characteristics predicted by theory have been used to explain the previous experiment phenomenon. The dependence of threshold coupling constants for MPPC on the amplitude ratio of incident pump beams is presented. The threshold coupling constant for one-interaction-region MPPC is lower than that for two-interaction-regions MPPC.
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Lin Ma, Zhiguo Jiang, Jifang Liu, Xin Liu, "Study of the threshold coupling strength for mutually pumped phase conjugator", Proc. SPIE 8554, Quantum and Nonlinear Optics II, 85541H (29 November 2012); doi: 10.1117/12.999966; https://doi.org/10.1117/12.999966
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