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Opt Lett. 2004 Jul 1;29(13):1461-3.

Pulse collisions in the stretched-pulse fiber laser.

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  • 1Centre d'Optique, Photonique et Laser, Université Laval, Québec, Quebec G1K 7P4, Canada. mioli7@phy.ulaval.ca


We report the observation of a new regime of operation in the stretched-pulse fiber laser in which two groups of bound pulses travel in the cavity at different velocities. The pulse groups collide periodically and remain apparently unaltered after the collisions. The observed group-velocity difference is shown to exhibit a strong dependence on the time interval between the pulses in each bound state.

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