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In the last years the increasing complexity of quantum information protocols triggered the development of integrated waveguide technology for quantum applications [1–3] such that stability is intrinsically obtained thanks to the combination of many optical elements on a monolithic chip and scalability is potentially achievable. In this context the realization of integrated sources of quantum light...
In 1958 P.W. Anderson predicted that the wave-function of a quantum particle can be localized in the presence of a static disordered potential [1]. This phenomenon arises from the destructive interference of waves propagating in static disordered media. As a consequence, in these conditions, particle and energy transport through a disordered medium are expected to be strongly suppressed and an initially...
Photons are excellent candidates for benchmarking in experiments the innovative concepts and potentials of Quantum Information (QI) theory, as they are practically immune from decoherence. Experimental realizations of complex quantum optical schemes with bulk elements suffer however from severe limitations as far as stability and physical size are concerned. Integrated photonic circuits, on the contrary,...
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