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Coincidence Rates for Photon Pairs in WDM Environment

We demonstrate the flexibility that a wavelength selective switch could offer to bandwidth provisioning of potential multi-user quantum key distribution networks based on entangled pair sources. We derive an analytical expression relating the coincidence detection rates of the photon pairs to the sw...

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Bibliographic Details
Published in:Journal of lightwave technology 2011-02, Vol.29 (3), p.324-329
Main Authors: Jungmi Oh, Antonelli, C, Brodsky, M
Format: Article
Language:English
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Summary:We demonstrate the flexibility that a wavelength selective switch could offer to bandwidth provisioning of potential multi-user quantum key distribution networks based on entangled pair sources. We derive an analytical expression relating the coincidence detection rates of the photon pairs to the switch bandwidth characteristics. Experimentally measured coincidence rates verify the theory in three distinct network configurations.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2010.2097581