We propose an all-optical tunable notch filter based on SFG in PPLN waveguide. The central wavelength and signal depletion of this filter can be tuned by adjusting pump light. This nonlinear optical filter owns a wide tuning range.
© 2012 OSA
H. Liu, Z. Hu, F. Chen, and J. Zhang, "All-optical Tunable Notch Filter Based on SFG in PPLN Waveguide," in International Photonics and Optoelectronics Meetings, OSA Technical Digest (online) (Optical Society of America, 2012), paper ITh3A.3.
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