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Optica Publishing Group
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1989),
  • paper TUGG18

Mechanisms of pulse evolutions in passively mode-locked femtosecond dye lasers

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Abstract

A detailed numerical model of a passively mode- locked dye laser has been developed incorporating saturable loss and gain, noise, spectral filtering, group velocity dispersion, and nonlinear frequency chirp arising from both the optical Kerr effect in the dye solvents and absorption saturation of the mode-locking dye. This model has successfully reproduced the qualitative features of real colliding-pulse mode-locked dye lasers using rhodamine 110 mode-locked with HICI and rhodamine 6G mode-locked with DODCI.1 In certain conditions these lasers exhibit periodic pulse evolutions and multiple-peaked autocorrelation traces. Similar observations have been made by other groups and interpreted as manifestations of high-order soliton evolutions, e.g., Ref. 2.

© 1989 Optical Society of America

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