High efficiency continuous-wave tunable signal output of an intracavity singly resonant optical parametric oscillator based on periodically poled lithium niobate
Ding Xin(丁欣)a)b)†, Sheng Quan(盛泉)a)b), Chen Na(陈娜)a)b), Yu Xuan-Yi(禹宣伊)c), Wang Rui(王睿)a)b), Zhang Heng(张衡)a)b), Wen Wu-Qi(温午麒)a)b), Wang Peng(王鹏)a)b), and Yao Jian-Quan(姚建铨)a)b)
a College of Precision Instrument and Opto-electronics Engineering, Institute of Laser and Opto-electronics, Tianjin University, Tianjin 300072, China; b Key Laboratory of Opto-electronics Information Science and Technology, Ministry of Education, Tianjin 300072, Chinac College of Physics Science, Photonics Research Center, Nankai University, Tianjin 300071, China
Abstract In this paper we report on a continuous-wave (CW) intracavity singly resonant optical parametric oscillator (ICSRO) based on periodically poled LiNbO3 (PPLN) pumped by a diode-end-pumped CW Nd:YVO4 laser. Considering the thermal lens effects and diffraction loss, an optical ballast lens and a near-concentric cavity are adopted for better operation. Through varying the grating period and the temperature, the tunable signal output from 1406 nm to 1513 nm is obtained. At a PPLN grating period of 29 $\mu$m and a temperature of 413 K, a maximum signal output power of 820 mW at 1500 nm is achieved when the 808 nm pump power is 10.9 W, leading to an optical-to-optical conversion efficiency of 7.51%.
Received: 09 October 2008
Revised: 12 January 2009
Accepted manuscript online:
Fund: Project supported partly by the
National Natural Science Foundation of China (Grant Nos 60637010 and
60671036), the National Basic Research Program of China (Grant No
2007CB310403), and the Tianjin
Applied Fundamental Research Project, China (Grant No 07J
Cite this article:
Ding Xin(丁欣), Sheng Quan(盛泉), Chen Na(陈娜), Yu Xuan-Yi(禹宣伊), Wang Rui(王睿), Zhang Heng(张衡), Wen Wu-Qi(温午麒), Wang Peng(王鹏), and Yao Jian-Quan(姚建铨) High efficiency continuous-wave tunable signal output of an intracavity singly resonant optical parametric oscillator based on periodically poled lithium niobate 2009 Chin. Phys. B 18 4314
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