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Article Navigation> JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY> 2011> 20(2): 256-260
SHEN Shi-kui, NING Chun-mei, YANG Ai-ying, SUN Yu-nan. Experimental investigation of nonlinear process based on cSHG/DFG in PPLN waveguide[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2011, 20(2): 256-260.
Citation: SHEN Shi-kui, NING Chun-mei, YANG Ai-ying, SUN Yu-nan. Experimental investigation of nonlinear process based on cSHG/DFG in PPLN waveguide[J].JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2011, 20(2): 256-260.
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Experimental investigation of nonlinear process based on cSHG/DFG in PPLN waveguide

  • School of Optoelectronics, Beijing Institute of Technology, Beijing 100081, China

  • Received Date:2010-09-22
    Abstract
  • Effects of second harmonic generation (SHG) and cascaded second harmonic generation/difference frequency generation(cSHG/DFG) based on the quasi-phase-matching (QPM) condition in periodically poled lithium niobate (PPLN) waveguide were investigated experimentally. SHG conversion efficiency of -13.6.dB and QPM bandwidth of 0.45.nm were achieved using a 16.1.dBm power of fundamental wave at 1.550.4.nm. Using pulsed all-fiber passive mode locked laser and tunable continuous wave laser, cSHG/DFG effect utilized for optical sampling was observed. Conversion efficiencies were calculated, and 11.88.nm-wide QPM bandwidth was achieved through changing the wavelength of input signal. Conversion efficiency of cSHG/DFG effect increased linearly with the total injected power.
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