Cherenkov phase matched terahertz wave generation from waveguide nonlinear optical crystals

机译：波导非线性光学晶体产生切伦科夫相位匹配太赫兹波

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Using a combination of Cherenkov phase matching method and nonlinear waveguide crystals, we achieved effective THz wave generation. The THz wave generated from LiNbO3 ridge waveguide has over 1000 times stronger than that of conventional photoconductive antenna, broadband spectrum from 0.1 THz to 7 THz and over dynamic range 80 dB. Furthermore, we generated THz wave using other nonlinear optical crystals as DAST and OH1. Although DAST crystal has strong absorption at 1.1 THz, we succeeded to generated broadband THz wave without the strong absorption.

机译：结合使用Cherenkov相位匹配方法和非线性波导晶体，我们实现了有效的THz波生成。 LiNbO3脊形波导产生的太赫兹波比常规光电导天线强1000倍，宽带频谱范围从0.1太赫兹到7太赫兹，动态范围超过80 dB。此外，我们使用其他非线性光学晶体（如DAST和OH1）生成了太赫兹波。尽管DAST晶体在1.1 THz处具有很强的吸收率，但我们成功地产生了宽带THz波而没有强吸收率。

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《International Conference on Infrared, Millimeter, and Terahertz Waves》|2016年|1-2|共2页
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Kei Takeya; Tsubasa Minami; Hirohisa Uchida; Kodo Kawase;
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Crystals; Optical waveguides; Nonlinear optics; Ultrafast optics; Laser excitation; Absorption; Frequency conversion;

机译：晶体;光波导;非线性光学;超快光学;激光激发;吸收;频率转换;

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1. Design rules for phase-matched terahertz surface electromagnetic wave generation by optical rectification in a nonlinear planar waveguide [J] . Roman R. Musin, Qirong Xing, Yanfeng Li, Applied optics . 2008,第4期

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2. Metal-Coated 100 -Cut GaAs Coupled to Tapered Parallel-Plate Waveguide for Cherenkov-Phase-Matched Terahertz Detection: Influence of Crystal Thickness [J] . delos Santos Ramon, Mag-usara Valynn, Tuico Anthony, Journal of Infrared, Millimeter and Terahertz Waves . 2018,第6期

机译：金属涂覆＆ 100＆ -cut GaAs耦合到锥形平行板波导，用于Cherenkov相位匹配的太赫兹检测：晶体厚度的影响
3. Behavior of three waves in Cherenkov phase matched monochromatic terahertz wave generation investigated by numerical analysis [J] . Koji Suizu, Takuya Akiba Japanese journal of applied physics . 2014,第9期

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4. Cherenkov Phase Matched Terahertz Wave Generation from Waveguide Nonlinear Optical Crystals [C] . Kei Takeya, Tsubasa Minami, Hirohisa Uchida, International Conference on Infrared, Millimeter, and Terahertz Waves . 2016

机译：Cherenkov相位与波导非线性光学晶体的太赫兹波产生
5. Ultrasensitive nonlinear optical pulse characterizations by chirped quasi-phase matched lithium niobate waveguides. [D] . Yang, Shang-Da. 2005

机译：chi准相匹配铌酸锂波导对超灵敏非线性光脉冲的表征。
6. Efficient Second Harmonic Generation in 3D Nonlinear Optical-Lattice-Like Cladding Waveguide Splitters by Femtosecond Laser Inscription [O] . Weijie Nie, Yuechen Jia, Javier R. Vázquez de Aldana, -1

机译：飞秒激光题字在3D非线性光学晶格状包层波导分束器中高效产生第二谐波
7. Enhanced Cherenkov phase matching terahertz wave generation via a magnesium oxide doped lithium niobate ridged waveguide crystal [O] . K. Takeya, T. Minami, H. Okano, 2017

机译：通过氧化镁掺杂的铌酸锂脊状波导晶体增强Cherenkov相位匹配太赫兹波

Cherenkov phase matched terahertz wave generation from waveguide nonlinear optical crystals

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