Abstract
Modulation instability followed by generation of subpicosecond pulses could be obtained with quasi-continuous wave packets propagating in optical fibers with running refractive index wave. We report on comprehensive studies of this process demonstrating that the peak power of the pulses exceeds the power of the pumping radiation by orders of magnitude. Practically, the effect could be implemented through interaction of the surface optical wave with an acoustic wave in a 2 cm cylindrical waveguide in a robust all-fiber format.
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