Picosecond pulses have been generated from a cw diode-laser source using cross-phase modulation from a cw-pumped mode-locked Nd:YAG laser operating at 1.06 microm. By tuning the diode laser in the region near 1.5 microm, the effect of group-velocity mismatch can be minimized, making efficient use of the fiber length and optimizing the cross-phase modulation spectral broadening.
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Greer et al. (1990) studied this question.
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