IEEE - Institute of Electrical and Electronics Engineers, Inc. - Gaussian States Minimize the Output Entropy of the One-Mode Quantum Attenuator

Author(s): Giacomo De Palma ; Dario Trevisan ; Vittorio Giovannetti
Sponsor(s): IEEE Information Theory Society
Publisher: IEEE - Institute of Electrical and Electronics Engineers, Inc.
Publication Date: 1 January 2017
Volume: 63
Page(s): 728 - 737
ISSN (Paper): 0018-9448
ISSN (Online): 1557-9654
DOI: 10.1109/TIT.2016.2621748
Regular:

We prove that Gaussian thermal input states minimize the output von Neumann entropy of the one-mode Gaussian quantum-limited attenuator for fixed input entropy. The Gaussian quantum-limited... View More

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