Satellite quantum key distribution performance analysis and optimization with finite key size constraints

Jasminder S. Sidhu; Thomas Brougham; Duncan McArthur; Roberto G. Pousa; Daniel K. L. Oi

doi:10.1117/12.2651549

Satellite quantum key distribution performance analysis and optimization with finite key size constraints

Jasminder S. Sidhu, Thomas Brougham, Duncan McArthur, Roberto G. Pousa, Daniel K. L. Oi

Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution book

1 Citation (Scopus)

Abstract

Quantum Key Distribution (QKD) is a potential mitigation against quantum computation advances that threaten currently deployed public key cryptosystems. QKD is also a precursor to large-scale quantum communications and the quantum internet. Terrestrial direct transmission of quantum photonic signals is restricted by optical fibre exponential absorption, hence space-based systems have been proposed for intercontinental distribution of quantum keys with lower-loss free-space transmission through vacuum. However, challenges remain for the practical deployment of satellite QKD (SatQKD) such as weather, background light, and terminal deployment. In particular, the short transmission time inherent in low Earth orbit satellite QKD and finite statistical uncertainty can limit secure key generation. Here we illustrate the analysis of these effects and some practical engineering design and operational constraints on key length using the Satellite Quantum Modelling and Analysis (SatQuMA) software package being developed for satellite quantum communications research.

Original language	English
Title of host publication	Proceedings of the SPIE Quantum Computing, Communication, and Simulation III
Editors	Philip R. Hemmer, Alan L. Migdall
Place of Publication	Bellingham
DOIs	https://doi.org/10.1117/12.2651549
Publication status	Published - 8 Mar 2023

Keywords

quantum modeling
satellite communications
systems modelling
quantum bit errors

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10.1117/12.2651549

Cite this

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title = "Satellite quantum key distribution performance analysis and optimization with finite key size constraints",

abstract = "Quantum Key Distribution (QKD) is a potential mitigation against quantum computation advances that threaten currently deployed public key cryptosystems. QKD is also a precursor to large-scale quantum communications and the quantum internet. Terrestrial direct transmission of quantum photonic signals is restricted by optical fibre exponential absorption, hence space-based systems have been proposed for intercontinental distribution of quantum keys with lower-loss free-space transmission through vacuum. However, challenges remain for the practical deployment of satellite QKD (SatQKD) such as weather, background light, and terminal deployment. In particular, the short transmission time inherent in low Earth orbit satellite QKD and finite statistical uncertainty can limit secure key generation. Here we illustrate the analysis of these effects and some practical engineering design and operational constraints on key length using the Satellite Quantum Modelling and Analysis (SatQuMA) software package being developed for satellite quantum communications research.",

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author = "Sidhu, {Jasminder S.} and Thomas Brougham and Duncan McArthur and Pousa, {Roberto G.} and Oi, {Daniel K. L.}",

year = "2023",

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doi = "10.1117/12.2651549",

language = "English",

editor = "Hemmer, {Philip R.} and Migdall, {Alan L.}",

booktitle = "Proceedings of the SPIE Quantum Computing, Communication, and Simulation III",

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Satellite quantum key distribution performance analysis and optimization with finite key size constraints. / Sidhu, Jasminder S.; Brougham, Thomas ; McArthur, Duncan et al.
Proceedings of the SPIE Quantum Computing, Communication, and Simulation III. ed. / Philip R. Hemmer; Alan L. Migdall. Bellingham, 2023. 124460M.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution book

TY - GEN

T1 - Satellite quantum key distribution performance analysis and optimization with finite key size constraints

AU - Sidhu, Jasminder S.

AU - Brougham, Thomas

AU - McArthur, Duncan

AU - Pousa, Roberto G.

AU - Oi, Daniel K. L.

PY - 2023/3/8

Y1 - 2023/3/8

N2 - Quantum Key Distribution (QKD) is a potential mitigation against quantum computation advances that threaten currently deployed public key cryptosystems. QKD is also a precursor to large-scale quantum communications and the quantum internet. Terrestrial direct transmission of quantum photonic signals is restricted by optical fibre exponential absorption, hence space-based systems have been proposed for intercontinental distribution of quantum keys with lower-loss free-space transmission through vacuum. However, challenges remain for the practical deployment of satellite QKD (SatQKD) such as weather, background light, and terminal deployment. In particular, the short transmission time inherent in low Earth orbit satellite QKD and finite statistical uncertainty can limit secure key generation. Here we illustrate the analysis of these effects and some practical engineering design and operational constraints on key length using the Satellite Quantum Modelling and Analysis (SatQuMA) software package being developed for satellite quantum communications research.

AB - Quantum Key Distribution (QKD) is a potential mitigation against quantum computation advances that threaten currently deployed public key cryptosystems. QKD is also a precursor to large-scale quantum communications and the quantum internet. Terrestrial direct transmission of quantum photonic signals is restricted by optical fibre exponential absorption, hence space-based systems have been proposed for intercontinental distribution of quantum keys with lower-loss free-space transmission through vacuum. However, challenges remain for the practical deployment of satellite QKD (SatQKD) such as weather, background light, and terminal deployment. In particular, the short transmission time inherent in low Earth orbit satellite QKD and finite statistical uncertainty can limit secure key generation. Here we illustrate the analysis of these effects and some practical engineering design and operational constraints on key length using the Satellite Quantum Modelling and Analysis (SatQuMA) software package being developed for satellite quantum communications research.

KW - quantum modeling

KW - satellite communications

KW - systems modelling

KW - quantum bit errors

U2 - 10.1117/12.2651549

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M3 - Conference contribution book

BT - Proceedings of the SPIE Quantum Computing, Communication, and Simulation III

A2 - Hemmer, Philip R.

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Satellite quantum key distribution performance analysis and optimization with finite key size constraints

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Keywords

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