Discrete interband mutual focusing in nonlinear photonic lattices | Zendy

Christian R. Rosberg | Zendy; Brendan Hanna | Zendy; Dragomir N. Neshev | Zendy; Andrey A. Sukhorukov | Zendy; Wiesław Królikowski | Zendy; Yuri S. Kivshar | Zendy

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Discrete interband mutual focusing in nonlinear photonic lattices

Author(s) -

Christian R. Rosberg,

Brendan Hanna,

Dragomir N. Neshev,

Andrey A. Sukhorukov,

Wiesław Królikowski,

Yuri S. Kivshar

Publication year - 2005

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/opex.13.005369

Subject(s) - physics , optics , diffraction , nonlinear system , lattice (music) , photonics , nonlinear optics , photonic crystal , light beam , floquet theory , coupling (piping) , quantum mechanics , materials science , laser , acoustics , metallurgy

We study nonlinear coupling of mutually incoherent beams associated withdifferent Floquet-Bloch waves in a one-dimensional optically-induced photoniclattice. We demonstrate experimentally how such interactions lead to asymmetricmutual focusing and, for waves with opposite diffraction properties, tosimultaneous focusing and defocusing as well as discreteness-induced beamlocalization and reshaping effects.

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