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Pump source angle tuning in quasi-phase matched optical parametric oscillator

Lu Yang Ji Feng Zhang Tie-Li Xu De-Gang Xu Ke-Xin Zhang Bai-Gang Yao Jian-Quan Wang Peng

Pump source angle tuning in quasi-phase matched optical parametric oscillator

Lu Yang, Ji Feng, Zhang Tie-Li, Xu De-Gang, Xu Ke-Xin, Zhang Bai-Gang, Yao Jian-Quan, Wang Peng
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  • Abstract views:  3747
  • PDF Downloads:  1347
  • Cited By: 0
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  • Received Date:  13 July 2005
  • Accepted Date:  25 July 2005
  • Published Online:  20 March 2006

Pump source angle tuning in quasi-phase matched optical parametric oscillator

  • 1. (1)天津大学精仪学院,天津 300072; (2)天津大学精仪学院,天津 300072;天津大学激光与光电子研究所,天津 300072;教育部光电信息技术科学重点实验室,天津 300072;南开大学、天津大学联合研究院,天津 300072

Abstract: This paper systemically presents a theoretical analysis on pump source angle tuning in quasi-phase matched (QPM) optical parametric oscillator (OPO) in periodically poled crystal. The precise formula and the formula in paraxial approximation, both of which describe the relationship between rotation angle of pump source and wavelengths of pump, signal and idler wave in QPM OPO, are presented. It is found that the idler wave and the pump wave for signal-resonated OPO propagate along the same side of the crystal x-axis to exit, as propagate the signal wave and the pump wave for idler-resonated OPO. In addition, the separation angle between the signal wave and the idler wave for signal-resonated OPO is greater than that for idler-resonated OPO. More importantly, the tuning rate for signal-resonated OPO is also greater than that for idler-resonated OPO.

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