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Flexible wavelength conversion via cascaded second order nonlinearity using broadband SHG in MgO-doped PPLN
Junfeng Zhang1, Yuping Chen, Feng Lu
1Department of Physics, The State Key Laboratory on Fiber Optics Local Area Communication Networks and Advanced Optical Communication Systems, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China.
Abstract:
In this paper, we experimentally demonstrate flexible wavelength conversion, in which the input signals can be freely converted to output wavelengths through widely and arbitrarily tuning the pump wavelength within a broad second harmonic (SH) bandwidth up to 25 nm. The scheme is based on the cascaded chi (2) process in a 20-mm periodically poled MgO-doped LiNbO(3) (PPMgLN). Also, wavelength broadcasting can be performed by simultaneous use of multiple pumps with wavelengths located in the broad SH bandwidth.
