Efficient mid-infrared dispersive wave generation in dispersion-engineered Si3N4 waveguides pumped at 2 μm
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We demonstrate efficient generation of mid-infrared dispersive wave at 3.5 m in a Si3N4 waveguide pumped by a 2090nm femtosecond mode-locked fiber laser. The 8% maximum efficiency allows for a milliwatt-level average power mid-infrared pulse.
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