Analysis of detector performance in a gigahertz clock rate quantum key distribution system

Patrick J. Clarke; Robert J. Collins; Philip A. Hiskett; Maria-Jose Garcia-Martinez; Nils J. Krichel; Aongus McCarthy; Michael G. Tanner; John A. O'Connor; Chandra M. Natarajan; Shigehito Miki; Masahide Sasaki; Zhen Wang; Mikio Fujiwara; Ivan Rech; Massimo Ghioni; Angelo Gulinatti; Robert H. Hadfield; Paul D. Townsend; Gerald S. Buller

doi:10.1088/1367-2630/13/7/075008

Analysis of detector performance in a gigahertz clock rate quantum key distribution system

Patrick J. Clarke, Robert J. Collins, Philip A. Hiskett, Maria-Jose Garcia-Martinez, Nils J. Krichel, Aongus McCarthy, Michael G. Tanner, John A. O'Connor, Chandra M. Natarajan, Shigehito Miki, Masahide Sasaki, Zhen Wang, Mikio Fujiwara, Ivan Rech, Massimo Ghioni, Angelo Gulinatti, Robert H. Hadfield, Paul D. Townsend, Gerald S. Buller

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

33 Citations (Scopus)

Abstract

We present a detailed analysis of a gigahertz clock rate environmentally robust phase-encoded quantum key distribution (QKD) system utilizing several different single-photon detectors, including the first implementation of an experimental resonant cavity thin-junction silicon single-photon avalanche diode. The system operates at a wavelength of 850 nm using standard telecommunications optical fibre. A general-purpose theoretical model for the performance of QKD systems is presented with reference to these experimental results before predictions are made about realistic detector developments in this system. We discuss, with reference to the theoretical model, how detector operating parameters can be further optimized to maximize key exchange rates.

Original language	English
Article number	075008
Pages (from-to)	-
Number of pages	23
Journal	New Journal of Physics
Volume	13
Issue number	7
DOIs	https://doi.org/10.1088/1367-2630/13/7/075008
Publication status	Published - 22 Jul 2011

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Clarke, P. J., Collins, R. J., Hiskett, P. A., Garcia-Martinez, M-J., Krichel, N. J., McCarthy, A., Tanner, M. G., O'Connor, J. A., Natarajan, C. M., Miki, S., Sasaki, M., Wang, Z., Fujiwara, M., Rech, I., Ghioni, M., Gulinatti, A., Hadfield, R. H., Townsend, P. D., & Buller, G. S. (2011). Analysis of detector performance in a gigahertz clock rate quantum key distribution system. New Journal of Physics, 13(7), -. [075008]. https://doi.org/10.1088/1367-2630/13/7/075008

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abstract = "We present a detailed analysis of a gigahertz clock rate environmentally robust phase-encoded quantum key distribution (QKD) system utilizing several different single-photon detectors, including the first implementation of an experimental resonant cavity thin-junction silicon single-photon avalanche diode. The system operates at a wavelength of 850 nm using standard telecommunications optical fibre. A general-purpose theoretical model for the performance of QKD systems is presented with reference to these experimental results before predictions are made about realistic detector developments in this system. We discuss, with reference to the theoretical model, how detector operating parameters can be further optimized to maximize key exchange rates.",

author = "Clarke, {Patrick J.} and Collins, {Robert J.} and Hiskett, {Philip A.} and Maria-Jose Garcia-Martinez and Krichel, {Nils J.} and Aongus McCarthy and Tanner, {Michael G.} and O'Connor, {John A.} and Natarajan, {Chandra M.} and Shigehito Miki and Masahide Sasaki and Zhen Wang and Mikio Fujiwara and Ivan Rech and Massimo Ghioni and Angelo Gulinatti and Hadfield, {Robert H.} and Townsend, {Paul D.} and Buller, {Gerald S.}",

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Clarke, PJ, Collins, RJ, Hiskett, PA, Garcia-Martinez, M-J, Krichel, NJ, McCarthy, A , Tanner, MG, O'Connor, JA, Natarajan, CM, Miki, S, Sasaki, M, Wang, Z, Fujiwara, M, Rech, I, Ghioni, M, Gulinatti, A, Hadfield, RH, Townsend, PD & Buller, GS 2011, 'Analysis of detector performance in a gigahertz clock rate quantum key distribution system', New Journal of Physics, vol. 13, no. 7, 075008, pp. -. https://doi.org/10.1088/1367-2630/13/7/075008

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AU - Clarke, Patrick J.

AU - Collins, Robert J.

AU - Hiskett, Philip A.

AU - Garcia-Martinez, Maria-Jose

AU - Krichel, Nils J.

AU - McCarthy, Aongus

AU - Tanner, Michael G.

AU - O'Connor, John A.

AU - Natarajan, Chandra M.

AU - Miki, Shigehito

AU - Sasaki, Masahide

AU - Wang, Zhen

AU - Fujiwara, Mikio

AU - Rech, Ivan

AU - Ghioni, Massimo

AU - Gulinatti, Angelo

AU - Hadfield, Robert H.

AU - Townsend, Paul D.

AU - Buller, Gerald S.

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AB - We present a detailed analysis of a gigahertz clock rate environmentally robust phase-encoded quantum key distribution (QKD) system utilizing several different single-photon detectors, including the first implementation of an experimental resonant cavity thin-junction silicon single-photon avalanche diode. The system operates at a wavelength of 850 nm using standard telecommunications optical fibre. A general-purpose theoretical model for the performance of QKD systems is presented with reference to these experimental results before predictions are made about realistic detector developments in this system. We discuss, with reference to the theoretical model, how detector operating parameters can be further optimized to maximize key exchange rates.

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DO - 10.1088/1367-2630/13/7/075008

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JO - New Journal of Physics

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Analysis of detector performance in a gigahertz clock rate quantum key distribution system

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