Abstract
Since spectral broadening of a weak, picosecond pulse was observed due to phase-modulation induced (IPM) by another pulse1) picosecond and femtosecond pulse compressions using IPM were proposed and analyzed2-4). However, IPM phenomena in the femtosecond time-region are not at all made clear experimentally. In this paper we present the experimental studies on IPM for femtosecond pulses propagating in a quartz glass fiber and a DAN crystal fiber.
© 1990 Optical Society of America
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