中国科学:物理学 力学 天文学(英文版)2024，Vol.67Issue(5) ：33-38.DOI:10.1007/s11433-023-2322-2

Efficient second and third harmonic generation in dual-layer lithium niobate microdisk resonator

Zhenzhong Hao Xiao Wu Qiang Luo Zhang Li Rui Ma Fang Bo Feng Gao Guoquan Zhang Jingjun Xu
中国科学:物理学 力学 天文学(英文版)2024，Vol.67Issue(5) ：33-38.DOI:10.1007/s11433-023-2322-2
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  • 维普
  • 万方数据

Efficient second and third harmonic generation in dual-layer lithium niobate microdisk resonator

Zhenzhong Hao 1Xiao Wu 1Qiang Luo 1Zhang Li 1Rui Ma 1Fang Bo 1Feng Gao 1Guoquan Zhang 1Jingjun Xu1
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作者信息

  • 1. MOE Key Laboratory of Weak-Light Nonlinear Photonics,TEDA Institute of Applied Physics and School of Physics,Nankai University,Tianjin 300457,China
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Abstract

Lithium niobate thin film frequency doubler has extensive applications in the preparation of classical and quantum sources.In this study,we successfully fabricated microdisk resonators with a quality factor of 2.2x105 in reverse-polarization dual-layer x-cut lithium niobate for the first time.Based on the modal phase matching condition,efficient second harmonic generation with a record normalized conversion efficiency of～56000％W-1 and cascaded third harmonic generation with an efficiency of～6500％W-2 were obtained in the microdisk resonator.Compared with the periodically poled lithium niobate microcavity,the complex domain structure preparation processes are avoided.Our work provides a scheme for achieving highly efficient second-order nonlinear effects in non-periodically poled microcavities.

Key words

lithium niobate/modal phase matching/harmonic generation

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基金项目

National Key Research and Development Program of China(2019YFA0705000)

National Natural Science Foundation of China(12034010)

National Natural Science Foundation of China(12134007)

National Natural Science Foundation of China(11734009)

National Natural Science Foundation of China(92050111)

National Natural Science Foundation of China(12074199)

National Natural Science Foundation of China(92050114)

National Natural Science Foundation of China(12004197)

111 Project(B23045)

出版年

2024
中国科学:物理学 力学 天文学(英文版)
中国科学院

中国科学:物理学 力学 天文学(英文版)

CSTPCD
影响因子：0.91
ISSN：1674-7348
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