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首页> 外文期刊>Japanese journal of applied physics >Behavior of three waves in Cherenkov phase matched monochromatic terahertz wave generation investigated by numerical analysis
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Behavior of three waves in Cherenkov phase matched monochromatic terahertz wave generation investigated by numerical analysis

机译：通过数值分析研究切伦科夫相位匹配单色太赫兹波产生中的三个波的行为

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摘要

The dynamical behavior of electric fields in Cherenkov phase matched terahertz wave generation was numerically analyzed. The effect of diffraction of the terahertz wave was the dominant factor for efficiency of terahertz wave generation. Tightly-focused pump and signal beams radiated efficient terahertz wave drastically in the transverse direction. Propagating terahertz wave at the Cherenkov angle separated from the pump and signal beams; thus destructive interaction of the three waves under phase mismatched conditions no longer occurred. The effect resulted in continuous pump depletion and efficient energy conversion from the pump wave to the terahertz wave. Our results indicate that complete pump depletion could be achieved with Cherenkov phase matching.
机译：数值分析了切伦科夫相位匹配太赫兹波产生中电场的动力学行为。太赫兹波的衍射效应是太赫兹波产生效率的主要因素。紧紧聚焦的泵浦光束和信号光束在横向上急剧辐射出有效的太赫兹波。以Cherenkov角传播的太赫兹波与泵浦光束和信号光束分开；因此，在相位失配条件下，这三个波的破坏性相互作用不再发生。这种影响导致了连续的泵浦损耗，以及从泵浦波到太赫兹波的有效能量转换。我们的结果表明，通过Cherenkov相位匹配可以实现泵的完全耗尽。

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  • 来源
    《Japanese journal of applied physics》 |2014年第9期|092701.1-092701.4|共4页
  • 作者

    Koji Suizu; Takuya Akiba;

  • 作者单位

    Department of Electrical, Electronics and Computer Engineering, Faculty of Engineering, Chiba Institute of Technology, Narashino, Chiba 275-0016, Japan;

    Department of Electrical, Electronics and Computer Engineering, Faculty of Engineering, Chiba Institute of Technology, Narashino, Chiba 275-0016, Japan;

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