Cross-phase-modulation-controlled spectral transformations of ultrashort pulses in photonic-crystal fibres

Details Cross-phase-modulation-controlled spectral transformations of ultrashort pulses in photonic-crystal fibres Cross-phase-modulation-controlled spectral transformations of ultrashort pulses in photonic-crystal fibres

Nov 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004njph....6..182k&link_type=abstract

New Journal of Physics, Volume 6, Issue 1, pp. 182 (2004).

Physics

4

Scientific paper

Cross-phase modulation provides an efficient means to control spectral transformations of femtosecond laser pulses in photonic-crystal fibres with a specially designed dispersion profile. Femtosecond pulses of fundamental radiation of a Cr : forsterite laser are shown to induce an asymmetric spectral broadening of the anti-Stokes signal generated in a photonic-crystal fibre by the pulses of second-harmonic radiation of the same laser. Cross-phase-modulation-induced phase shifts control the efficiency of anti-Stokes generation in a photonic-crystal fibre, suggesting a method of switching the anti-Stokes signal on and off by varying the intensity of the control laser pulse.

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