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From the same journal

Super-additivity and entanglement assistance in quantum reading

Research output: Contribution to journalArticlepeer-review

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Super-additivity and entanglement assistance in quantum reading. / Lupo, Cosmo; Pirandola, Stefano.

In: QUANTUM INFORMATION COMPUTATION, Vol. 17, No. 7-8, 01.06.2017, p. 611-622.

Research output: Contribution to journalArticlepeer-review

Harvard

Lupo, C & Pirandola, S 2017, 'Super-additivity and entanglement assistance in quantum reading', QUANTUM INFORMATION COMPUTATION, vol. 17, no. 7-8, pp. 611-622.

APA

Lupo, C., & Pirandola, S. (2017). Super-additivity and entanglement assistance in quantum reading. QUANTUM INFORMATION COMPUTATION, 17(7-8), 611-622.

Vancouver

Lupo C, Pirandola S. Super-additivity and entanglement assistance in quantum reading. QUANTUM INFORMATION COMPUTATION. 2017 Jun 1;17(7-8):611-622.

Author

Lupo, Cosmo ; Pirandola, Stefano. / Super-additivity and entanglement assistance in quantum reading. In: QUANTUM INFORMATION COMPUTATION. 2017 ; Vol. 17, No. 7-8. pp. 611-622.

Bibtex - Download

@article{5872de53f3f24aa3b2f2a99ec5882a86,
title = "Super-additivity and entanglement assistance in quantum reading",
abstract = "Quantum information theory determines the maximum rates at which information can be transmitted through physical systems described by quantum mechanics. Here we consider the communication protocol known as quantum reading. Quantum reading is a protocol for retrieving the information stored in a digital memory by using a quantum probe, e.g., shining quantum states of light to read an optical memory. In a variety of situations using a quantum probe enhances the performance of the reading protocol in terms of fidelity, data density and energy efficiency. Here we review and characterize the quantum reading capacity of a memory model, defined as the maximum rate of reliable reading. We show that, like other quantities in quantum information theory, the quantum reading capacity is super-additive. Moreover, we determine conditions under which the use of an entangled ancilla improves the performance of quantum reading.",
keywords = "Entanglement, Quantum communication, Quantum reading",
author = "Cosmo Lupo and Stefano Pirandola",
note = " This is an author-produced version of a paper accepted for publication. Uploaded with permission of the publisher/copyright holder. Further copying may not be permitted; contact the publisher for details.",
year = "2017",
month = jun,
day = "1",
language = "English",
volume = "17",
pages = "611--622",
journal = "Quantum Information & Computation",
issn = "1533-7146",
publisher = "Rinton Press Inc.",
number = "7-8",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Super-additivity and entanglement assistance in quantum reading

AU - Lupo, Cosmo

AU - Pirandola, Stefano

N1 - This is an author-produced version of a paper accepted for publication. Uploaded with permission of the publisher/copyright holder. Further copying may not be permitted; contact the publisher for details.

PY - 2017/6/1

Y1 - 2017/6/1

N2 - Quantum information theory determines the maximum rates at which information can be transmitted through physical systems described by quantum mechanics. Here we consider the communication protocol known as quantum reading. Quantum reading is a protocol for retrieving the information stored in a digital memory by using a quantum probe, e.g., shining quantum states of light to read an optical memory. In a variety of situations using a quantum probe enhances the performance of the reading protocol in terms of fidelity, data density and energy efficiency. Here we review and characterize the quantum reading capacity of a memory model, defined as the maximum rate of reliable reading. We show that, like other quantities in quantum information theory, the quantum reading capacity is super-additive. Moreover, we determine conditions under which the use of an entangled ancilla improves the performance of quantum reading.

AB - Quantum information theory determines the maximum rates at which information can be transmitted through physical systems described by quantum mechanics. Here we consider the communication protocol known as quantum reading. Quantum reading is a protocol for retrieving the information stored in a digital memory by using a quantum probe, e.g., shining quantum states of light to read an optical memory. In a variety of situations using a quantum probe enhances the performance of the reading protocol in terms of fidelity, data density and energy efficiency. Here we review and characterize the quantum reading capacity of a memory model, defined as the maximum rate of reliable reading. We show that, like other quantities in quantum information theory, the quantum reading capacity is super-additive. Moreover, we determine conditions under which the use of an entangled ancilla improves the performance of quantum reading.

KW - Entanglement

KW - Quantum communication

KW - Quantum reading

UR - http://www.scopus.com/inward/record.url?scp=85020795202&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:85020795202

VL - 17

SP - 611

EP - 622

JO - Quantum Information & Computation

JF - Quantum Information & Computation

SN - 1533-7146

IS - 7-8

ER -