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Quantum cryptography without switching

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Date

2004

Authors

Weedbrook, C
Lance, Andrew
Bowen, Warwick P
Symul, Thomas
Ralph, Timothy Cameron
Lam, Ping Koy

Journal Title

Journal ISSN

Volume Title

Publisher

American Physical Society

Abstract

A coherent state quantum key distribution (QKD) protocol based on simultaneous quadrature measurements was proposed. A lower bound on the secret key rate for this protocol, was also calculated. A possible eavesdropping attack in the form of a simple feed

Description

Keywords

Keywords: Bandwidth; Channel capacity; Gaussian noise (electronic); Mathematical operators; Network protocols; Optical beam splitters; Quantum theory; Signal interference; Switching; Feed forward scheme; Quantum key distribution (QKD); Secret key rates; Single quad

Citation

URI

http://hdl.handle.net/1885/78931

Collections

ANU Research Publications

Source

Physical Review Letters

Type

Journal article

Book Title

Entity type

Access Statement

License Rights

DOI

10.1103/PhysRevLett.93.170504

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