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  • Received: Mar. 14, 2016

    Accepted: Jul. 19, 2016

    Posted: Jan. 28, 2019

    Published Online: Aug. 3, 2018

    The Author Email: Xinjie Lv (lvxinjie@nju.edu.cn)

    DOI: 10.3788/COL201614.091902

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    Qijin Mo, Shifeng Li, Yichen Liu, Xudong Jiang, Gang Zhao, Zhenda Xie, Xinjie Lv, Shining Zhu. Widely tunable optical parametric oscillator in periodically poled congruently grown lithium tantalite whispering gallery mode resonators[J]. Chinese Optics Letters, 2016, 14(9): 091902

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Chinese Optics Letters, Vol. 14, Issue 9, 091902 (2016)

Widely tunable optical parametric oscillator in periodically poled congruently grown lithium tantalite whispering gallery mode resonators

Qijin Mo, Shifeng Li, Yichen Liu, Xudong Jiang, Gang Zhao, Zhenda Xie, Xinjie Lv*, and Shining Zhu

Author Affiliations

  • National Laboratory of Solid State Microstructures, Nanjing University, Nanjing, 210093, China

Abstract

We demonstrate a tunable optical parametric oscillator in a periodically poled congruently grown lithium tantalite whispering gallery mode resonator. The resonator is mechanically polished to millimeter size, and the quality factor is approximately 107 at 1064 nm. Our experiments show that this kind of resonator is capable of reaching a very low threshold and having a wide tuning range. Combined with its narrow resonant linewidth, it is potentially used as a compact, widely tunable, and narrow-linewidth infrared to mid-infrared laser source.

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