Inter-Symbol-Interference Reduction in Continuous Variable QKD Using Equalization

Xinke Tang; Rupesh Kumar; David Cunningham; Adrian Wonfor; Richard Penty; Ian White

doi:10.1109/GLOCOMW.2018.8644125

Inter-Symbol-Interference Reduction in Continuous Variable QKD Using Equalization

Xinke Tang, Rupesh Kumar, David Cunningham, Adrian Wonfor, Richard Penty, Ian White

Research output: Chapter or section in a book/report/conference proceeding › Chapter in a published conference proceeding

1 Citation (SciVal)

Abstract

Inter-symbol-interference (ISI) noise in Continuous Variable Quantum Key Distribution (CVQKD) is caused by the overlap between the consecutive detected signals. In practice, this problem limits the repetition rate of the quantum signals for a given bandwidth detector and hence reduces the rate of secure key generation. We propose a method of using equalization to mitigate ISI noise in CVQKD systems. Its feasibility is studied using an analytical model with practical parameters. The improved performance of CVQKD detection is investigated using secure key analysis. The simulation results show an increase of 12.8 Mbits/s in secure key rate for a 1GHz bandwidth CVQKD system operating over a 20 km link.

Original language	English
Title of host publication	2018 IEEE Globecom Workshops, GC Wkshps 2018 - Proceedings
Publisher	IEEE
ISBN (Electronic)	9781538649206
DOIs	https://doi.org/10.1109/GLOCOMW.2018.8644125
Publication status	Published - 19 Feb 2019
Event	2018 IEEE Globecom Workshops, GC Wkshps 2018 - Abu Dhabi, UAE United Arab Emirates Duration: 9 Dec 2018 → 13 Dec 2018

Publication series

Name	IEEE Globecom Workshops
Publisher	IEEE
ISSN (Print)	2166-0077

Conference

Conference	2018 IEEE Globecom Workshops, GC Wkshps 2018
Country/Territory	UAE United Arab Emirates
City	Abu Dhabi
Period	9/12/18 → 13/12/18

Funding

ACKNOWLEDGMENT We thank Xiaohe Dong for valuable discussions. This work has been supported by the Quantum Communication Hub, through the EPSRC UK National Quantum Technology Programme.

Keywords

Continuous Variable Quantum Key Distribution
Equalization
Quantum communication

ASJC Scopus subject areas

Computer Networks and Communications
Hardware and Architecture
Safety, Risk, Reliability and Quality

Access to Document

10.1109/GLOCOMW.2018.8644125

Cite this

Tang, X, Kumar, R, Cunningham, D, Wonfor, A, Penty, R & White, I 2019, Inter-Symbol-Interference Reduction in Continuous Variable QKD Using Equalization. in 2018 IEEE Globecom Workshops, GC Wkshps 2018 - Proceedings., 8644125, IEEE Globecom Workshops, IEEE, 2018 IEEE Globecom Workshops, GC Wkshps 2018, Abu Dhabi, UAE United Arab Emirates, 9/12/18. https://doi.org/10.1109/GLOCOMW.2018.8644125

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title = "Inter-Symbol-Interference Reduction in Continuous Variable QKD Using Equalization",

abstract = "Inter-symbol-interference (ISI) noise in Continuous Variable Quantum Key Distribution (CVQKD) is caused by the overlap between the consecutive detected signals. In practice, this problem limits the repetition rate of the quantum signals for a given bandwidth detector and hence reduces the rate of secure key generation. We propose a method of using equalization to mitigate ISI noise in CVQKD systems. Its feasibility is studied using an analytical model with practical parameters. The improved performance of CVQKD detection is investigated using secure key analysis. The simulation results show an increase of 12.8 Mbits/s in secure key rate for a 1GHz bandwidth CVQKD system operating over a 20 km link.",

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author = "Xinke Tang and Rupesh Kumar and David Cunningham and Adrian Wonfor and Richard Penty and Ian White",

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AU - Wonfor, Adrian

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PY - 2019/2/19

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N2 - Inter-symbol-interference (ISI) noise in Continuous Variable Quantum Key Distribution (CVQKD) is caused by the overlap between the consecutive detected signals. In practice, this problem limits the repetition rate of the quantum signals for a given bandwidth detector and hence reduces the rate of secure key generation. We propose a method of using equalization to mitigate ISI noise in CVQKD systems. Its feasibility is studied using an analytical model with practical parameters. The improved performance of CVQKD detection is investigated using secure key analysis. The simulation results show an increase of 12.8 Mbits/s in secure key rate for a 1GHz bandwidth CVQKD system operating over a 20 km link.

AB - Inter-symbol-interference (ISI) noise in Continuous Variable Quantum Key Distribution (CVQKD) is caused by the overlap between the consecutive detected signals. In practice, this problem limits the repetition rate of the quantum signals for a given bandwidth detector and hence reduces the rate of secure key generation. We propose a method of using equalization to mitigate ISI noise in CVQKD systems. Its feasibility is studied using an analytical model with practical parameters. The improved performance of CVQKD detection is investigated using secure key analysis. The simulation results show an increase of 12.8 Mbits/s in secure key rate for a 1GHz bandwidth CVQKD system operating over a 20 km link.

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Inter-Symbol-Interference Reduction in Continuous Variable QKD Using Equalization

Abstract

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Keywords

ASJC Scopus subject areas

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