• Chinese Journal of Lasers
  • Vol. 50, Issue 22, 2208001 (2023)
Xinkai Feng1,2, Huaixi Chen1, Jiaying Chen1,2, and Wanguo Liang1,*
Author Affiliations
  • 1Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, Fujiang, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
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    DOI: 10.3788/CJL230448 Cite this Article Set citation alerts
    Xinkai Feng, Huaixi Chen, Jiaying Chen, Wanguo Liang. Study of Fiber-Coupled Periodically Poled Lithium Niobate Thin Film Waveguide Devices[J]. Chinese Journal of Lasers, 2023, 50(22): 2208001 Copy Citation Text show less
    Structural diagram of PPLN ridge waveguide
    Fig. 1. Structural diagram of PPLN ridge waveguide
    Relationship between QPM period of PPLN and waveguide size under room temperature when fundamental frequency wavelength is 1560 nm. (a) QPM period versus ridge height; (b) QPM period versus ridge width
    Fig. 2. Relationship between QPM period of PPLN and waveguide size under room temperature when fundamental frequency wavelength is 1560 nm. (a) QPM period versus ridge height; (b) QPM period versus ridge width
    QPM period of PPLN versus temperature when fundamental frequency wavelength is 1560 nm and both ridge height and width are 10 μm
    Fig. 3. QPM period of PPLN versus temperature when fundamental frequency wavelength is 1560 nm and both ridge height and width are 10 μm
    Preparation process of PPLN ridge waveguide
    Fig. 4. Preparation process of PPLN ridge waveguide
    Silicon-based PPLN thin film ridge waveguide device
    Fig. 5. Silicon-based PPLN thin film ridge waveguide device
    Schematic of experimental setup
    Fig. 6. Schematic of experimental setup
    Test results of silicon-based PPLN thin-film ridge waveguide device. (a) Output spectrum of fiber-in fiber-out PPLN waveguide package module; (b) relationship between output and input power of PPLN waveguide package module
    Fig. 7. Test results of silicon-based PPLN thin-film ridge waveguide device. (a) Output spectrum of fiber-in fiber-out PPLN waveguide package module; (b) relationship between output and input power of PPLN waveguide package module
    Xinkai Feng, Huaixi Chen, Jiaying Chen, Wanguo Liang. Study of Fiber-Coupled Periodically Poled Lithium Niobate Thin Film Waveguide Devices[J]. Chinese Journal of Lasers, 2023, 50(22): 2208001
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