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Optical Fiber Communication Conference

Quantum effects in optical fibers

Leuchs, Marquardt

Published Jan 1, 2011• 0 citations
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Almost all Quantum Key Distribution experiments in optical fibers performed so far have used the so called “dark fibers,” which are exclusively used as the quantum channel. As quantum communications make its way towards commercial applications, there is a clear advantage in using fibers with simultaneous classical signals, via wavelength multiplexing, for that purpose. We show what is the noise impact of transmitting classical optical signals alongside a quantum channel for a fixed fiber length.