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首页> 外文期刊>Optics Letters >Controllable photonic crystal with periodic Raman gain in a coherent atomic medium
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Controllable photonic crystal with periodic Raman gain in a coherent atomic medium

机译：可控光子晶体，具有连贯原子介质中的周期性拉曼增益

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摘要

With two sets of standing-wave fields built in a thermal rubidium vapor cell, we have established a controllable photonic crystal with periodic gain in a coherently prepared N-type four-level atomic configuration. First, the photonic lattice constructed by a resonant standing-wave coupling field results in a spatially modulated susceptibility and makes the signal field diffract in a discrete manner under the condition of electromagnetically induced transparency. Then, with the addition of the standing-wave pump field, the N-type atomic medium can induce a periodic Raman gain on the signal field, which can be effectively controlled by tuning the pertinent atomic parameters. The experimental demonstration of such a real-time reconfigurable photonic crystal structure with periodic Raman gain can pave the way for realizing desired applications predicted in the gain-modulated periodic optical systems. (C) 2018 Optical Society of America
机译：通过在热铷蒸气池中构建的两组常设波场，我们已经建立了可控光子晶体，其具有连贯的N型四级原子构造中的周期性增益。 首先，由谐振驻波耦合场构成的光子晶格导致空间调制的易感性，并使信号场在电磁诱导的透明度的条件下以离散方式衍射。 然后，随着驻波泵场的添加，n型原子介质可以在信号场上引起周期性拉曼增益，这可以通过调谐相关原子参数来有效地控制。 这种具有周期性拉曼增益的这种实时可重新配置光子晶体结构的实验演示可以铺平用于实现增益调制周期光学系统中预测的所需应用的方式。 （c）2018年光学学会

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  • 来源
    《Optics Letters》 |2018年第4期|共4页
  • 作者

    Zhang Zhaoyang; Feng Jingliang; Liu Xing; Sheng Jiteng; Zhang Yiqi; Zhang Yanpeng; Xiao Min;

  • 作者单位

    Univ Arkansas Dept Phys Fayetteville AR 72701 USA;

    Univ Arkansas Dept Phys Fayetteville AR 72701 USA;

    Xi An Jiao Tong Univ Minist Educ Key Lab Phys Elect &

    Devices Xian 710049 Shaanxi Peoples R China;

    Xi An Jiao Tong Univ Shaanxi Key Lab Informat Photon Tech Xian 710049 Shaanxi Peoples R China;

    Xi An Jiao Tong Univ Minist Educ Key Lab Phys Elect &

    Devices Xian 710049 Shaanxi Peoples R China;

    Xi An Jiao Tong Univ Minist Educ Key Lab Phys Elect &

    Devices Xian 710049 Shaanxi Peoples R China;

    Univ Arkansas Dept Phys Fayetteville AR 72701 USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
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