On the photon subtraction-based measurement-device-independent CV-QKD protocols

Ivan B. Djordjevic

doi:10.1109/ACCESS.2019.2946777

On the photon subtraction-based measurement-device-independent CV-QKD protocols

Ivan B. Djordjevic

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

4 Scopus citations

Abstract

To potentially overcome the practical security loopholes of CV-QKD protocols, in this paper, we propose to use the optimized eight-state measurement-device-independent (MDI) protocol and demonstrate that it can significantly outperform corresponding Gaussian modulation-based MDI and virtual photon subtraction-based MDI CV-QKD protocols in terms of both secret-key rate and achievable transmission distance. Contrary to the common belief that virtual photon subtraction method can extend the distance of MDI CV-QKD protocols, we show that this is not true for fully optimized MDI CV-QKD protocols and realistic system parameters.

Original language	English (US)
Article number	8864965
Pages (from-to)	147399-147405
Number of pages	7
Journal	IEEE Access
Volume	7
DOIs	https://doi.org/10.1109/ACCESS.2019.2946777
State	Published - 2019

Keywords

Gaussian modulation
Quantum communication
continuous variable (CV)-QKD
discrete modulation
measurement-device-independent (MDI) CV-QKD protocols
quantum key distribution (QKD)
secret-key rate (SKR)
virtual photon subtraction method

ASJC Scopus subject areas

General Computer Science
General Materials Science
General Engineering

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10.1109/ACCESS.2019.2946777

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title = "On the photon subtraction-based measurement-device-independent CV-QKD protocols",

abstract = "To potentially overcome the practical security loopholes of CV-QKD protocols, in this paper, we propose to use the optimized eight-state measurement-device-independent (MDI) protocol and demonstrate that it can significantly outperform corresponding Gaussian modulation-based MDI and virtual photon subtraction-based MDI CV-QKD protocols in terms of both secret-key rate and achievable transmission distance. Contrary to the common belief that virtual photon subtraction method can extend the distance of MDI CV-QKD protocols, we show that this is not true for fully optimized MDI CV-QKD protocols and realistic system parameters.",

keywords = "Gaussian modulation, Quantum communication, continuous variable (CV)-QKD, discrete modulation, measurement-device-independent (MDI) CV-QKD protocols, quantum key distribution (QKD), secret-key rate (SKR), virtual photon subtraction method",

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doi = "10.1109/ACCESS.2019.2946777",

language = "English (US)",

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AB - To potentially overcome the practical security loopholes of CV-QKD protocols, in this paper, we propose to use the optimized eight-state measurement-device-independent (MDI) protocol and demonstrate that it can significantly outperform corresponding Gaussian modulation-based MDI and virtual photon subtraction-based MDI CV-QKD protocols in terms of both secret-key rate and achievable transmission distance. Contrary to the common belief that virtual photon subtraction method can extend the distance of MDI CV-QKD protocols, we show that this is not true for fully optimized MDI CV-QKD protocols and realistic system parameters.

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KW - Quantum communication

KW - continuous variable (CV)-QKD

KW - discrete modulation

KW - measurement-device-independent (MDI) CV-QKD protocols

KW - quantum key distribution (QKD)

KW - secret-key rate (SKR)

KW - virtual photon subtraction method

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On the photon subtraction-based measurement-device-independent CV-QKD protocols

Abstract

Keywords

ASJC Scopus subject areas

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