Eavesdropping of two-way coherent-state quantum cryptography via gaussian quantum cloning machines

Eavesdropping of two-way coherent-state quantum cryptography via gaussian quantum cloning machines

We consider one of the quantum key distribution protocols recently introduced in Ref. [Pirandola et al., Nature Phys. 4, 726 (2008)]. This protocol consists of a two-way quantum communication between Alice and Bob, where Alice encodes secret information via a random phase-space displacement of a coh...

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Bibliographic Details
Main Authors: Pirandola, Stefano, Mancini, Stefano, Lloyd, Seth, Braunstein, Samuel L.
Other Authors: Massachusetts Institute of Technology. Department of Mechanical Engineering
Format: Article
Language:en_US
Published: Institute of Electrical and Electronics Engineers 2010
Online Access:http://hdl.handle.net/1721.1/60056

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