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Proceedings Paper

Short-pulse splitting and pulse collisions in dispersive nonlinear media
Author(s): Yehuda B. Band; Marek Trippenbach
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Paper Abstract

We have developed a method to precisely propagate short optical pulses through dispersive media with a self-focusing (chi) (3) Kerr-type nonlinear polarization. Above the critical cw self-focusing power, onset of pulse splitting into pulselets separated in time occurs, and for a certain regime of parameters a cyclic series of pulse splitting and pulse recombination occurs for diffraction length smaller than dispersion length. At higher power, another threshold for non-cyclic temporal and spatial pulse splitting is manifest. Self-steepening and self-frequency shifting affect pulse propagation too. We use our formulation to calculate the dynamics of collisions of two pulses in nonlinear optical media, and show how the collision can give rise to pulse splitting. We also investigate the effects of saturation of the nonlinearity on the phenomenon of pulse splitting and pulse collision dynamics.

Paper Details

Date Published: 23 June 1999
PDF: 11 pages
Proc. SPIE 3609, Optical Pulse and Beam Propagation, (23 June 1999); doi: 10.1117/12.351052
Show Author Affiliations
Yehuda B. Band, Ben-Gurion Univ. of the Negev (Israel)
Marek Trippenbach, Ben-Gurion Univ. of the Negev (Poland)

Published in SPIE Proceedings Vol. 3609:
Optical Pulse and Beam Propagation
Yehuda B. Band, Editor(s)

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