Distinguishability of Gaussian states in quantum cryptography using postselection

Date

2009

Authors

Weedbrook, Christian
Alton, Daniel
Symul, Thomas
Lam, Ping Koy
Ralph, Timothy Cameron

Journal Title

Journal ISSN

Volume Title

Publisher

American Physical Society

Abstract

We consider the distinguishability of Gaussian states from the viewpoint of continuous-variable quantum cryptography using postselection. Specifically, we use the probability of error to distinguish between two pure coherent (squeezed) and two particular

Description

Keywords

Keywords: Continuous variables; Distinguishability; Gaussian state; Information rates; Mixed state; Probability of errors; Real part; Squeezed state; Symmetric Gaussian state; Quantum cryptography

Citation

Source

Physical Review A: Atomic, Molecular and Optical Physics

Type

Journal article

Book Title

Entity type

Access Statement

License Rights

DOI

10.1103/PhysRevA.79.062311

Restricted until

2037-12-31