Abstract
An all-optical wavelength conversion method for telecommunication-band mode-division multiplexing (MDM) signals is proposed in integrated silicon waveguides by using the four-wave mixing effect with a dual-mode pump. By engineering the dispersion profile of the integrated silicon waveguide, the phase-matching conditions are realized simultaneously for the mode and the mode of the MDM signal in the telecommunication band, and they can be converted to the idler modes simultaneously. In a 1.2-cm-long waveguide, the 3-dB conversion bandwidth reaches 58 nm with a conversion efficiency of pumped by a 100-mW and 105-mW pump source.
© 2018 Optical Society of America
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