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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 16 — Aug. 12, 2013
  • pp: 18646–18660

Deflection and trapping of spatial solitons in linear photonic potentials

Chandroth P. Jisha, Alessandro Alberucci, Ray-Kuang Lee, and Gaetano Assanto  »View Author Affiliations

Optics Express, Vol. 21, Issue 16, pp. 18646-18660 (2013)

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We investigate the dynamics of spatial optical solitons launched in a medium with a finite perturbation of the refractive index. For longitudinally short perturbations of super-Gaussian transverse profile, as the input power varies we observe a transition from a wave-like behavior where solitons break up into multiple fringes to a particle-like behavior where solitons acquire a transverse velocity retaining their shape. For longitudinally long perturbations with an attractive potential solitons get trapped inside the well and propagate with transverse periodic oscillations, resulting in an efficient power-dependent angular steering or deflection. Using the Ehrenfest theorem we derive analytical expressions for soliton trajectory, and achieve excellent agreement between theory and numerical simulations for large powers, that is, narrow solitons.

© 2013 OSA

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(260.5950) Physical optics : Self-focusing
(190.6135) Nonlinear optics : Spatial solitons
(260.2710) Physical optics : Inhomogeneous optical media

ToC Category:
Nonlinear Optics

Original Manuscript: June 3, 2013
Revised Manuscript: July 17, 2013
Manuscript Accepted: July 20, 2013
Published: July 29, 2013

Chandroth P. Jisha, Alessandro Alberucci, Ray-Kuang Lee, and Gaetano Assanto, "Deflection and trapping of spatial solitons in linear photonic potentials," Opt. Express 21, 18646-18660 (2013)

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