Suppression of discrete diffraction and formation of mini-gap solitons in double-periodic nonlinear photonic lattices

Eugene Smirnov; Christian E. Rüter; Ksenia Shandarova; Vladimir Shandarov; Detlef Kip

doi:10.1364/PR.2007.MB39

Controlling Light with Light: Photorefractive Effects, Photosensitivity, Fiber Gratings, Photonic Materials and More
OSA Technical Digest (CD) (Optica Publishing Group, 2007),
paper MB39
•https://doi.org/10.1364/PR.2007.MB39

Suppression of discrete diffraction and formation of mini-gap solitons in double-periodic nonlinear photonic lattices

Eugene Smirnov, Christian E. Rüter, Ksenia Shandarova, Vladimir Shandarov, and Detlef Kip

Photorefractive Effects, Photosensitivity, Fiber Gratings, Photonic Materials and More 2007

Squaw Creek, California United States
14–16 October 2007
ISBN: 1-55752-848-9

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E. Smirnov, C. E. Rüter, K. Shandarova, V. Shandarov, and D. Kip, "Suppression of discrete diffraction and formation of mini-gap solitons in double-periodic nonlinear photonic lattices," in Controlling Light with Light: Photorefractive Effects, Photosensitivity, Fiber Gratings, Photonic Materials and More, OSA Technical Digest (CD) (Optica Publishing Group, 2007), paper MB39.

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Abstract

Single- and double-periodic 1D photonic lattices are formed in lithium niobate using both titanium in-diffusion and holographic grating recording. We investigate linear band structures and diffraction properties of such superlattices and observe a decrease of discrete diffraction with extra increasing modulation. In weakly-modulated superlattices with tailored diffraction properties, we demonstrate the formation of discrete solitons with propagation constant inside the mini-gap formed inside the Brillouin zone.

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