We observe experimentally the transition from diffusive to coherent (ballistic) light propagation in arrays of mutually coupled optical fibers with an adjustable degree of disorder. Nonlinearity causes mobility and localization for the two respective cases.
© 2005 Optical Society of America
T. Pertsch, A. Chipouline, S. Nolte, F. Lederer, U. Röpke, J. Kobelke, K. Schuster, H. Bartelt, U. Peschel, and A. Tünnermann, "From Diffusive to Coherent Light Propagation in Disordered Nonlinear Fiber Arrays," in Photonic Metamaterials: From Random to Periodic, Technical Dgest (CD) (Optical Society of America, 2006), paper WA7.
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