Observation of Second Harmonic and Sum Frequency in an Optically Poled Si3N4 Waveguide

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We show how broadband (>30nm) quasi-phase matching in all-optically poled Si3N4 waveguides provides a platform for efficient sum-frequency generation, and for femtosecond pulse processing such as fcEo detection without the need for group velocity engineeri ...

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Observation of Second Harmonic and Sum Frequency in an Optically Poled Si3N4 Waveguide

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