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29 August 2006 Individual incoherent eavesdropping on a two-way quantum communication protocol
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Abstract
One-way quantum channels play a fundamental role in the security of the communication between two distant parties, in particular within the frame of "quantum key distribution". Nevertheless quite recently it has been introduced the possibility of using two-way quantum channels for the same purpose. Although the first attempts in this direction did not feature any particular advantage with respect to the one-way counterpart some recent results obtained by our group suggest that this new class of protocols provides higher thresholds of security.
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Giovanni Di Giuseppe, Marco Lucamarini, Alessandro Ceré, and Paolo Tombesi "Individual incoherent eavesdropping on a two-way quantum communication protocol", Proc. SPIE 6305, Quantum Communications and Quantum Imaging IV, 630502 (29 August 2006); https://doi.org/10.1117/12.680019
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