• Chinese Optics Letters
  • Vol. 20, Issue 3, 031901 (2022)
Xiaojing Wang1、*, Xiaobo Li1, Hui Xu1, Longhui He1, Xuelei Li1, Yulan Dong1, and Xianfeng Chen2、3
Author Affiliations
  • 1Department of Applied Physics, Microelectronic and Physics, Hunan University of Technology and Business, Changsha 410205, China
  • 2Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China
  • 3Key Laboratory for Laser Plasma (Ministry of Education), IFSA Collaborative Innovation Center, Shanghai Jiao Tong University, Shanghai 200240, China
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    DOI: 10.3788/COL202220.031901 Cite this Article Set citation alerts
    Xiaojing Wang, Xiaobo Li, Hui Xu, Longhui He, Xuelei Li, Yulan Dong, Xianfeng Chen. Third-order nonlinear phenomenon generated on the inner surface of bulk lithium niobate crystals with magnesium doping[J]. Chinese Optics Letters, 2022, 20(3): 031901 Copy Citation Text show less
    (a) Experimental setup. (b) and (c) The FWM changing process of the experimental phenomenon when rotating the nonlinear crystal on the experiment stage.
    Fig. 1. (a) Experimental setup. (b) and (c) The FWM changing process of the experimental phenomenon when rotating the nonlinear crystal on the experiment stage.
    (a) Three-dimensional phase-matching geometry of the FWM, difference frequency, and sum frequency assisted by the scattered light. (b) The perfect phase-matching geometry of FWM in the horizontal plane.
    Fig. 2. (a) Three-dimensional phase-matching geometry of the FWM, difference frequency, and sum frequency assisted by the scattered light. (b) The perfect phase-matching geometry of FWM in the horizontal plane.
    (a) Light intensity of fundamental frequency wave varying with the radiated angle of FWM and the incident angle of fundamental frequency wave. (b) Light intensity of FWM varying with the central wavelength of FWM and the incident angle of fundamental frequency wave. (c) Theoretically calculated and experimentally measured emergence angles of FWM at different incidence angles of fundamental waves. (d) Theoretically calculated and experimentally measured central wavelengths of FWM at different incidence angles of fundamental waves.
    Fig. 3. (a) Light intensity of fundamental frequency wave varying with the radiated angle of FWM and the incident angle of fundamental frequency wave. (b) Light intensity of FWM varying with the central wavelength of FWM and the incident angle of fundamental frequency wave. (c) Theoretically calculated and experimentally measured emergence angles of FWM at different incidence angles of fundamental waves. (d) Theoretically calculated and experimentally measured central wavelengths of FWM at different incidence angles of fundamental waves.
    (a) Photographs of FWM signals with different incidence angles of fundamental waves. (b) Spectra of FWM signals with different incidence angles.
    Fig. 4. (a) Photographs of FWM signals with different incidence angles of fundamental waves. (b) Spectra of FWM signals with different incidence angles.
    Incidence angle of fundamental wave (°)8910111213141516
    Experimentally measured emergence angle (°)16.6717.1318.0919.9721.7823.1125.6827.7628.55
    Theoretically calculated emergence angle (°)16.9718.6620.3121.9423.5225.0926.6428.2229.79
    Table 1. Theoretically Calculated and Experimentally Measured Data of Emergence Angle of FWM Corresponding to Different Incidence Angles of Specific Fundamental Frequency Waves
    Incidence angle of fundamental wave (°)10111213141516
    Experimentally measured central wavelength (nm)617598590576568558545
    Theoretically calculated central wavelength (nm)622607594580568556544
    Table 2. Theoretically Calculated and Experimentally Measured Data of Central Wavelength of FWM Corresponding to Different Incidence Angles of Specific Fundamental Frequency Waves
    Xiaojing Wang, Xiaobo Li, Hui Xu, Longhui He, Xuelei Li, Yulan Dong, Xianfeng Chen. Third-order nonlinear phenomenon generated on the inner surface of bulk lithium niobate crystals with magnesium doping[J]. Chinese Optics Letters, 2022, 20(3): 031901
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