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  • Received: Nov. 8, 2019

    Accepted: Dec. 19, 2019

    Posted: Dec. 24, 2019

    Published Online: Feb. 14, 2020

    The Author Email: Fang Bo (bofang@nankai.edu.cn)

    DOI: 10.1364/PRJ.382535

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    Zhenzhong Hao, Li Zhang, Wenbo Mao, Ang Gao, Xiaomei Gao, Feng Gao, Fang Bo, Guoquan Zhang, Jingjun Xu. Second-harmonic generation using d33 in periodically poled lithium niobate microdisk resonators[J]. Photonics Research, 2020, 8(3): 03000311

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Photonics Research, Vol. 8, Issue 3, 03000311 (2020)

Second-harmonic generation using d33 in periodically poled lithium niobate microdisk resonators

Zhenzhong Hao1, Li Zhang1, Wenbo Mao1, Ang Gao1, Xiaomei Gao1, Feng Gao1,2, Fang Bo1,2,*, Guoquan Zhang1,2,3, and Jingjun Xu1,2,4

Author Affiliations

  • 1MOE Key Laboratory of Weak-Light Nonlinear Photonics, TEDA Institute of Applied Physics and School of Physics, Nankai University, Tianjin 300457, China
  • 2Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China
  • 3e-mail: zhanggq@nankai.edu.cn
  • 4e-mail: jjxu@nankai.edu.cn

Abstract

A fabrication process allowing for the production of periodically poled lithium niobate (PPLN) photonic devices with any domain pattern and unit size down to 200 nm is developed by combining semiconductor fabrication techniques and piezo-force-microscopy tips polarization. Based on this fabrication process, PPLN microdisk resonators with quality factors of 8×104 were fabricated from a Z-cut lithium niobate film. Second-harmonic generation (SHG) utilizing d33 in the whole cavity was demonstrated in a PPLN microdisk with a 2 μm-spatial-period radial domain pattern. The SHG conversion efficiency was measured to be 1.44×10?5 mW?1. This work paves the way to fabricate complex PPLN photonic devices and to obtain efficient nonlinear optical effects that have wide applications in both classical and quantum optics.