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抽运光角度调谐准相位匹配光学参量振荡器的研究

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

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【Author】 Zhang Bai-Gang~ 1)2)3)4) Yao Jian-Quan~ 1)2)3)4) Lu Yang~ 1) Ji Feng~ 1) Zhang Tie-Li~ 1) Xu De-Gang~ 1) Wang Peng~ 1)2)3)4) Xu Ke-Xin~ 1) 1)(College of Precision Instrument and Opto-Electronics Engineering, Tianjin University, Tianjin 300072, China)2)(Institute of Laser and Optoelectronics, Tianjin University, Tianjin 300072, China) 3)(Key Laboratory of Optoelectric Information Science and Technology (Ministry of Education), Tianjin 300072, China)4)(Cooperated Institute of Nankai University and Tianjin University, Tianjin 300072, China)

【机构】天津大学精仪学院；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；南开大学、天津大学联合研究院；

【摘要】针对利用周期极化晶体实现的抽运光角度调谐准相位匹配(QPM)光学参量振荡器(OPO)进行了系统的理论分析,给出了描述QPMOPO中抽运光旋转角与三波波长关系的精确公式和近轴公式.研究发现,对信号光单谐振的情况而言,抽运光与空闲光沿晶体x轴的同侧出射,而对空闲光单谐振而言,抽运光与信号光沿晶体x轴的同侧出射.另外,信号光单谐振下信号光与空闲光间的夹角要大于空闲光单谐振下两者间的夹角.更重要的是,信号光单谐振时的波长调谐速度也较空闲光单谐振时的大.更多还原

【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.更多还原

【关键词】准相位匹配；空闲光单谐振光学参量振荡器；抽运光角度调谐；调谐速度；
【Key words】 quasi-phase matching； idler-resonated optical parametric generator； pump source angle tuning； tuning rate；

【基金】国家自然科学基金(批准号:10474071);教育部南开大学与天津大学科技合作基金;天津市科技发展计划;光电信息技术科学教育部重点实验室基金(批准号:2005-24)资助的课题.~~

【文献出处】物理学报 ,Acta Physica Sinica , 编辑部邮箱 ,2006年03期

【分类号】TN752
【被引频次】4
【下载频次】161

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