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Entangled photon pairs, so-called biphotons, play a central role in the discussion of nonlocal quantum correlations. Moreover, they give rise to various applications such as quantum cryptography, teleportation and quantum computation. Particular versatile plattforms to investigate strong quantum correlations of entangled photons in a robust environment are optical waveguide arrays [1; 2]. However,...
Within the context of particle dynamics in low-dimensional systems, it is widely believed that the system's structure predetermines the transport regime, e.g. ballistic, diffusive, or localized. More specifically, it is assumed that the existence of randomness within the system is necessary in order to observe diffusive or even localized transport[1]. On the other hand, in the absence of randomness,...
We suggest and demonstrate experimentally that evolution of classical light can simulate bi-photon generation through spontaneous parametric down-conversion and correlated quantum walks in waveguide arrays, including violation of Bell's inequality.
We prove experimentally asymptotic Anderson localization inside the bulk of a two-dimensional, finite, periodic array of weakly-coupled optical waveguides with a disordered boundary.
The mini-stop bands of wide photonic crystal waveguides in a slab system with a low in-plane index contrast are investigated both experimentally and theoretically. Their performance as high suppression filters is discussed.
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