Backward Terahertz Generation in Periodically Poled Lithium Niobate Crystal via Difference Frequency Generation

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著者

    • Yu Nan Ei Yu Nan Ei
    • Advanced Photonics Research Institute, Gwangju Institute of Science and Technology, 1 Oryoung-dong, Gwangju 500-712, Korea
    • Jung Changsoo Jung Changsoo
    • Advanced Photonics Research Institute, Gwangju Institute of Science and Technology, 1 Oryoung-dong, Gwangju 500-712, Korea
    • Lee Yeung Lak
    • Advanced Photonics Research Institute, Gwangju Institute of Science and Technology, 1 Oryoung-dong, Gwangju 500-712, Korea
    • Yu Bong-Ahn
    • Advanced Photonics Research Institute, Gwangju Institute of Science and Technology, 1 Oryoung-dong, Gwangju 500-712, Korea
    • Ko Do-Kyeong
    • Advanced Photonics Research Institute, Gwangju Institute of Science and Technology, 1 Oryoung-dong, Gwangju 500-712, Korea
    • Lee Jongmin
    • Advanced Photonics Research Institute, Gwangju Institute of Science and Technology, 1 Oryoung-dong, Gwangju 500-712, Korea

抄録

We have investigated the terahertz radiation generated by femtosecond laser pulses in a periodically poled lithium niobate crystal. Two different types of terahertz radiation, forward and backward, could be generated in quasi-phase-matching structures. The generation of these two different types of radiation is due to difference frequency generation under the quasi-phase matching condition. A broadband femtosecond optical pulse contributes to wave mixing, which occurs between two components of an ultrashort laser pulse and a terahertz pulse, in a quasi-phase-matching crystal. We observed a backward terahertz radiation at approximately 1.3 THz and the frequencies of terahertz radiations are easily controlled by varying the domain structures.

収録刊行物

  • Japanese journal of applied physics. Pt. 1, Regular papers & short notes

    Japanese journal of applied physics. Pt. 1, Regular papers & short notes 46(4A), 1501-1504, 2007-04-15

    Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physics

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各種コード

  • NII論文ID(NAID)
    10018900686
  • NII書誌ID(NCID)
    AA10457675
  • 本文言語コード
    EN
  • 資料種別
    ART
  • 雑誌種別
    大学紀要
  • ISSN
    0021-4922
  • NDL 記事登録ID
    8706145
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z53-A375
  • データ提供元
    CJP書誌  NDL  JSAP 
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