| Angle-tuned signal-resonated optical parametric oscillator based on periodically poled lithium niobate |
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| 引用本文： | 张百钢,姚建铨,张浩,徐德刚,王鹏,李学金,丁欣. Angle-tuned signal-resonated optical parametric oscillator based on periodically poled lithium niobate[J]. 中国光学快报(英文版), 2003, 1(6) |
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| 作者姓名： | 张百钢 姚建铨 张浩 徐德刚 王鹏 李学金 丁欣 |
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| 作者单位： | College of Precision Instrument and Opto-Electronics Engineering Institute of Laser and Optoelectronics,Tianjin University,Tianjin,300072;Cooperated InstitutKey Lab of Optoelectric Information Science and Technology,Ministry of Education,Tianjin 300072 |
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| 基金项目： | This work was supported by the National Natural Science Foundation of China (60278001)，the Outstanding Doctorate Dissertation Foundation of Tianjin University [2001]01，the Science & Technology Cooperation Foundation of Nankai University and Tianjin |
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| 摘 要： | We demonstrate an angle-tuned signal-resonated optical parametric oscillator (OPO) with periodically poled lithium niobate (PPLN) pumped by a diode-pumped Nd:YVO4 laser. 1499.8 - 1506.6 nm of signal wavelength is achieved at 140℃ by rotating a 29-μm period PPLN from 0° - 10.22° in the x-y plane while keeping the pump wave vertical to the resonator mirrors. Two pairs of the signal and idler waves of the same wavelengths can be achieved symmetrically for each pair of angles of rotation with same absolute value and opposite sign. Theoretical analyses on angle-tuned PPLN-OPO with pump wave vertical to the resonator mirrors are presented and in good agreement with our experimental results. It is also found that all interacting waves in the cavity (not inside the crystal) are always collineax for PPLN-OPO with the pump wave vertical to the resonator mirrors while phase-matching is noncollinear within the crystal.
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Angle-tuned signal-resonated optical parametric oscillator based on periodically poled lithium niobate |
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| Abstract: | We demonstrate an angle-tuned signal-resonated optical parametric oscillator (OPO) with periodically poled lithium niobate (PPLN) pumped by a diode-pumped Nd:YVO4 laser. 1499.8 - 1506.6 nm of signal wavelength is achieved at 140°C by rotating a 29-μm period PPLN from 0° - 10.22° in the x-y plane while keeping the pump wave vertical to the resonator mirrors. Two pairs of the signal and idler waves of the same wavelengths can be achieved symmetrically for each pair of angles of rotation with same absolute value and opposite sign. Theoretical analyses on angle-tuned PPLN-OPO with pump wave vertical to the resonator mirrors are presented and in good agreement with our experimental results. It is also found that all interacting waves in the cavity (not inside the crystal) are always collinear for PPLN-OPO with the pump wave vertical to the resonator mirrors while phase-matching is noncollinear within the crystal. |
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