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10 May 2010 Optically induced three-dimensional photonic lattices and quasi-crystallographic structures
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We present an experimental investigation of the formation of three-dimensional (3D) nonlinear photonic lattices. They are optically induced inside an externally biased cerium doped strontium barium niobate (SBN) photorefractive crystal by a single step multiple beam interference approach. An easy implementation of this scheme using a spatial light modulator (SLM) is demonstrated making the induced structures effortlessly reconfigurable and allowing for a rich variety of two or three dimensional periodic and quasi-periodic crystallographic structures. We show an analysis of these nonlinear photonic lattices based on plane wave guiding, momentum space spectroscopy, and far field diffraction pattern imaging.
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Julian Becker, Jolly Xavier, Martin Boguslawski, Patrick Rose, Joby Joseph, and Cornelia Denz "Optically induced three-dimensional photonic lattices and quasi-crystallographic structures", Proc. SPIE 7712, Nanophotonics III, 77123A (10 May 2010);

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