A father protocol for quantum broadcast channels

Frédéric Dupuis; Patrick Hayden; Ke Li

doi:10.1109/TIT.2010.2046217

A father protocol for quantum broadcast channels

Frédéric Dupuis^*
, Patrick Hayden
, Ke Li

^*Corresponding author for this work

University of Montreal
McGill University
University of Science and Technology of China

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

60 Scopus citations

Abstract

A new protocol for quantum broadcast channels based on the fully quantum Slepian-Wolf protocol is presented. The protocol yields an achievable rate region for entanglement-assisted transmission of quantum information through a quantum broadcast channel that can be considered the quantum analogue of Marton's region for classical broadcast channels. The protocol can be adapted to yield achievable rate regions for unassisted quantum communication and for entanglement-assisted classical communication; in the case of unassisted transmission, the region we obtain has no independent constraint on the sum rate, only on the individual transmission rates. Regularized versions of all three rate regions are provably optimal.

Original language	English
Article number	2046217
Pages (from-to)	2946-2956
Number of pages	11
Journal	IEEE Transactions on Information Theory
Volume	56
Issue number	6
DOIs	https://doi.org/10.1109/TIT.2010.2046217
State	Published - Jun 2010
Externally published	Yes

Keywords

Broadcast channels
Quantum information

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10.1109/TIT.2010.2046217

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abstract = "A new protocol for quantum broadcast channels based on the fully quantum Slepian-Wolf protocol is presented. The protocol yields an achievable rate region for entanglement-assisted transmission of quantum information through a quantum broadcast channel that can be considered the quantum analogue of Marton's region for classical broadcast channels. The protocol can be adapted to yield achievable rate regions for unassisted quantum communication and for entanglement-assisted classical communication; in the case of unassisted transmission, the region we obtain has no independent constraint on the sum rate, only on the individual transmission rates. Regularized versions of all three rate regions are provably optimal.",

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AB - A new protocol for quantum broadcast channels based on the fully quantum Slepian-Wolf protocol is presented. The protocol yields an achievable rate region for entanglement-assisted transmission of quantum information through a quantum broadcast channel that can be considered the quantum analogue of Marton's region for classical broadcast channels. The protocol can be adapted to yield achievable rate regions for unassisted quantum communication and for entanglement-assisted classical communication; in the case of unassisted transmission, the region we obtain has no independent constraint on the sum rate, only on the individual transmission rates. Regularized versions of all three rate regions are provably optimal.

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KW - Quantum information

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A father protocol for quantum broadcast channels

Abstract

Keywords

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