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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 14, Iss. 6 — Jun. 1, 1997
  • pp: 1458–1464

Spatiotemporal bright soliton Y junctions in nonlinear planar waveguides

D. Burak and R. Binder  »View Author Affiliations

JOSA B, Vol. 14, Issue 6, pp. 1458-1464 (1997)

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The splitting and steering of ultrashort pulses propagating through a Kerr medium are investigated. This investigation extends earlier ones of cw spatial soliton Y junctions into the area of subpicosecond solitonlike pulse propagation. Besides that of the all-optical steering process, the influence of normal group-velocity dispersion and two-photon absorption is discussed. It is found that both processes modify the transmission characteristics of the system (i.e., output versus input beam intensity) in a similar way. However, two-photon absorption inhibits the steering property of Y junctions, whereas normal group-velocity dispersion enhances it. A model based on an adiabatic propagation approximation is used to explain this behavior qualitatively.

© 1997 Optical Society of America

D. Burak and R. Binder, "Spatiotemporal bright soliton Y junctions in nonlinear planar waveguides," J. Opt. Soc. Am. B 14, 1458-1464 (1997)

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