Using a guided-wave nonlinear-pulse simulator, we implement a spatiotemporal-domain calculation of the short-wavelength Cerenkov-shock radiation generated by frequency doubling of an ultrashort light pulse from a laser diode. Computed results for picosecond and subpicosecond blue pulse generations through the frequency doubling in a proton-exchanged MgO:LiNbO3 channel waveguide are shown. Effects due to polarization, temporal walk-off, and pump depletion are predicted.
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Hayata et al. (1992) studied this question.
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