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

Author(s)
Pirandola, Stefano; Mancini, Stefano; Lloyd, Seth; Braunstein, Samuel L.
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Abstract
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 coherent state. In particular, we study its security against a specific class of individual attacks which are based on combinations of Gaussian quantum cloning machines.
Date issued
2009-02
URI
http://hdl.handle.net/1721.1/60056
Department
Massachusetts Institute of Technology. Department of Mechanical Engineering; Massachusetts Institute of Technology. Research Laboratory of Electronics
Journal
Third International Conference on Quantum, Nano and Micro Technologies, 2009. ICQNM '09.
Publisher
Institute of Electrical and Electronics Engineers
Citation
Pirandola, S. et al. “Eavesdropping of Two-Way Coherent-State Quantum Cryptography via Gaussian Quantum Cloning Machines.” Quantum, Nano and Micro Technologies, 2009. ICQNM '09. Third International Conference on. 2009. 38-41. © Copyright 2009 IEEE
Version: Final published version
ISBN
978-1-4244-3349-0
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