Counterpropagating beams in rotationally symmetric photonic lattices

Dragana Jović*, Raka Jovanović, Slobodan Prvanović, Milan Petrović, Milivoj Belić

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

Various properties of counterpropagating mutually incoherent self-trapped beams in optically induced circular photonic lattices with ring defects are investigated numerically. We utilize a local isotropic dynamical model with a Kerr-type saturable nonlinearity. Different incident beam structures are considered. We find spontaneous symmetry breaking of the head-on propagating Gaussian beams. In the case of vortices, we observe beam filamentation and a strong pinning of filaments to the lattice sites. Using a modified Petviashvili's method, we report several novel solitonic structures.

Original languageEnglish
Pages (from-to)1173-1176
Number of pages4
JournalOptical Materials
Volume30
Issue number7
DOIs
Publication statusPublished - Mar 2008
Externally publishedYes

Keywords

  • Circular photonic lattices
  • Ring defects
  • Solitonic structures

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