Abstract
Photonic crystal fibers (PCFs) have attracted significant research attention in recent years for its zero-dispersion wavelength (ZDW) shifted into the visible range [1]. However, no study on the experimental and theoretical comparison of nonlinear propagation of a-few-cycle pulses covering the ZDW has been performed. In this paper, we clarified experimentally and theoretically the mechanism of the ultrabroad-band pulse generation for 4.5-cycle pulses during PCF propagation based on our derived nonlinear-propagation equation beyond the slowly-varying-envelope approximation (SVEA).
© 2002 Optical Society of America
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