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Opt Lett. 2010 Nov 01;35(21):3568-70. doi: 10.1364/OL.35.003568.

Lattice-controlled modulation instability in photorefractive feedback systems.

Optics letters

Andrey A Sukhorukov, Nicolas Marsal, Alexander Minovich, Delphine Wolfersberger, Marc Sciamanna, Germano Montemezzani, Dragomir N Neshev

Affiliations

  1. Nonlinear Physics Centre, Research School of Physics and Engineering, Australian National University, Canberra, ACT 0200, Australia.

PMID: 21042352 DOI: 10.1364/OL.35.003568

Abstract

We study the modulation instability in a two-dimensional nonlinear single feedback system with a photonic lattice and reveal a sharp transition in the instability regimes as the lattice strength is increased. For a shallow lattice, the instability modes are enhanced parallel to the lattice wave vector, while in stronger lattices, these modes are suppressed.

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