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Optics Letters

Optics Letters


  • Vol. 32, Iss. 5 — Mar. 1, 2007
  • pp: 512–514

Interaction of counterpropagating discrete solitons in a nonlinear one-dimensional waveguide array

Eugene Smirnov, Milutin Stepić, Christian E. Rüter, Vladimir Shandarov, and Detlef Kip  »View Author Affiliations

Optics Letters, Vol. 32, Issue 5, pp. 512-514 (2007)

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We experimentally investigate the interaction of counterpropagating discrete solitons in a one-dimensional waveguide array in photorefractive lithium niobate. While for low input powers only weak interaction and formation of counterpropagating vector solitons are observed, for higher input powers a growing instability results in discrete lateral shifting of the formed discrete solitons. Numerical modeling shows the existence of three different regimes: stable propagation of vector solitons at low power, instability for intermediate power levels leading to discrete shifting of the two discrete solitons, and an irregular temporal dynamic behavior of the two beams for high input power.

© 2007 Optical Society of America

OCIS Codes
(160.3130) Materials : Integrated optics materials
(190.4420) Nonlinear optics : Nonlinear optics, transverse effects in
(190.5330) Nonlinear optics : Photorefractive optics
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons

ToC Category:
Nonlinear Optics

Original Manuscript: October 31, 2006
Manuscript Accepted: November 20, 2006
Published: February 2, 2007

Eugene Smirnov, Milutin Stepic, Christian E. Rüter, Vladimir Shandarov, and Detlef Kip, "Interaction of counterpropagating discrete solitons in a nonlinear one-dimensional waveguide array," Opt. Lett. 32, 512-514 (2007)

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