Minimum output entrophy of a Gaussian Bosonic channel

Vittorio Giovannetti; Lorenzo Maccone; Saikat Guha; Seth Lloyd; Jeffrey H. Shapiro; Brent J. Yen

doi:10.1142/S0219749905000657

Minimum output entrophy of a Gaussian Bosonic channel

Vittorio Giovannetti, Lorenzo Maccone, Saikat Guha, Seth Lloyd, Jeffrey H. Shapiro, Brent J. Yen

Research output: Contribution to journal › Article › peer-review

Abstract

The entropy at the output of a Bosonic channel is analyzed whencoherent fields are randomly added to the signal. Coherent-stateinputs are conjectured to provide the minimum output entropy. Supporting physical and mathematical evidence is provided.

Original language	English (US)
Pages (from-to)	153-158
Number of pages	6
Journal	International Journal of Quantum Information
Volume	3
Issue number	1
DOIs	https://doi.org/10.1142/S0219749905000657
State	Published - Mar 2005

Keywords

Additivity
Bosonic channels
Capacity
Entropy
Quantum channels

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1142/S0219749905000657

Cite this

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title = "Minimum output entrophy of a Gaussian Bosonic channel",

abstract = "The entropy at the output of a Bosonic channel is analyzed whencoherent fields are randomly added to the signal. Coherent-stateinputs are conjectured to provide the minimum output entropy. Supporting physical and mathematical evidence is provided.",

keywords = "Additivity, Bosonic channels, Capacity, Entropy, Quantum channels",

author = "Vittorio Giovannetti and Lorenzo Maccone and Saikat Guha and Seth Lloyd and Shapiro, {Jeffrey H.} and Yen, {Brent J.}",

note = "Funding Information: This work was funded by the ARDA, NRO, NSF and by ARO under a MURI programme.",

year = "2005",

month = mar,

doi = "10.1142/S0219749905000657",

language = "English (US)",

volume = "3",

pages = "153--158",

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AU - Giovannetti, Vittorio

AU - Maccone, Lorenzo

AU - Guha, Saikat

AU - Lloyd, Seth

AU - Shapiro, Jeffrey H.

AU - Yen, Brent J.

N1 - Funding Information: This work was funded by the ARDA, NRO, NSF and by ARO under a MURI programme.

PY - 2005/3

Y1 - 2005/3

N2 - The entropy at the output of a Bosonic channel is analyzed whencoherent fields are randomly added to the signal. Coherent-stateinputs are conjectured to provide the minimum output entropy. Supporting physical and mathematical evidence is provided.

AB - The entropy at the output of a Bosonic channel is analyzed whencoherent fields are randomly added to the signal. Coherent-stateinputs are conjectured to provide the minimum output entropy. Supporting physical and mathematical evidence is provided.

KW - Additivity

KW - Bosonic channels

KW - Capacity

KW - Entropy

KW - Quantum channels

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DO - 10.1142/S0219749905000657

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EP - 158

JO - International Journal of Quantum Information

JF - International Journal of Quantum Information

IS - 1

ER -

Minimum output entrophy of a Gaussian Bosonic channel

Abstract

Keywords

ASJC Scopus subject areas

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