Light bullets in nonlinear periodically curved waveguide arrays

Michal Matuszewski, Ivan L. Garanovich, and Andrey A. Sukhorukov
Phys. Rev. A 81, 043833 – Published 26 April 2010

Abstract

We predict that stable mobile spatiotemporal solitons can exist in arrays of periodically curved optical waveguides. We find two-dimensional light bullets in planar arrays with harmonic waveguide bending and three-dimensional bullets in square lattices with helical waveguide bending using variational formalism. Stability of the light-bullet solutions is confirmed by the direct numerical simulations which show that the light bullets can freely move across the curved arrays. This mobility property is a distinguishing characteristic compared to previously considered discrete light bullets which were trapped to a specific lattice site. These results suggest new possibilities for flexible spatiotemporal manipulation of optical pulses in photonic lattices.

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  • Received 13 January 2010

DOI:https://doi.org/10.1103/PhysRevA.81.043833

©2010 American Physical Society

Authors & Affiliations

Michal Matuszewski1, Ivan L. Garanovich1, and Andrey A. Sukhorukov1,2

  • 1Nonlinear Physics Centre, Research School of Physics and Engineering, Australian National University, Canberra, ACT 0200, Australia
  • 2Centre for Ultra-high Bandwidth Devices for Optical Systems (CUDOS), Research School of Physics and Engineering, Australian National University, Canberra, ACT 0200, Australia

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Issue

Vol. 81, Iss. 4 — April 2010

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