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Photonic Floquet Topological Insulators
Mikael C. Rechtsman, Julia M. Zeuner, Yonatan Plotnik +4
The topological insulator is a fundamentally new phase of matter, with the striking property that the conduction of electrons occurs only on its surface, not within the bulk, and t…
Expansion of a wave-packet in lattices with disorder and nonlinearity
Uta Naether, Santiago Rojas-Rojas, Alejandro J. Martinez +6
We show, theoretically and experimentally, the counterintuitive result that an increase of disorder can result in an enhanced spreading of an initially localized excitation. Moreov…
Biphoton generation in quadratic waveguide arrays: A classical optical simulation
Markus Gräfe, Alexander. S. Solntsev, Robert Keil +6
Quantum entanglement, the non-separability of a multipartite wave function, became essential in understanding the non-locality of quantum mechanics. In optics, this non-locality ca…
Anderson cross-localization
S. Stutzer, Y. V. Kartashov, V. A. Vysloukh +5
We report Anderson localization in two-dimensional optical waveguide arrays with disorder in waveguide separation introduced along one axis of the array, in an uncorrelated fashion…
Observation of the gradual transition from one-dimensional to two-dimensional Anderson localization
U. Naether, Y. V. Kartashov, V. A. Vysloukh +4
We study the gradual transition from one-dimensional to two-dimensional Anderson localization upon transformation of the dimensionality of disordered waveguide arrays. An effective…