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Solitons and related periodic pulse evolutions in a femtosecond ring dye laser

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3 Author(s)
Nighan, W.L., Jr. ; Dept. of Electr. Eng., Princeton Univ., NJ, USA ; Gong, T. ; Fauchet, P.M.

The generation of solitons and other related periodic pulse evolutions in a passively mode-locked dye laser is controlled by adjustment of group velocity dispersion, self-phase modulation, and spectral filtering. Without spectral filtering, periodic pulse evolutions reminiscent of higher-order solitons are observed. The pulses differ from the classic solitons because of additional shaping mechanisms. With spectral filtering, pulses are generated that can be described analytically as true asymmetric N=2 solitons. The introduction of the filter appears to simplify the intracavity shaping mechanisms in such a way that the nonlinear Schrodinger equation becomes a good approximation for pulse generation in the laser. The remarkable stability achieved allows for accurate characterization and control

Published in:

Quantum Electronics, IEEE Journal of  (Volume:25 ,  Issue: 12 )