Quantum cryptography with an ideal local relay

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Quantum cryptography with an ideal local relay. / Spedalieri, Gaetana; Ottaviani, Carlo; Braunstein, Samuel L.; Gehring, Tobias; Jacobsen, Christian S.; Andersen, Ulrik L.; Pirandola, Stefano.

2015.

Research output: Contribution to conferencePaperpeer-review

Harvard

Spedalieri, G, Ottaviani, C, Braunstein, SL, Gehring, T, Jacobsen, CS, Andersen, UL & Pirandola, S 2015, 'Quantum cryptography with an ideal local relay'. https://doi.org/10.1117/12.2202662

APA

Spedalieri, G., Ottaviani, C., Braunstein, S. L., Gehring, T., Jacobsen, C. S., Andersen, U. L., & Pirandola, S. (2015). Quantum cryptography with an ideal local relay. https://doi.org/10.1117/12.2202662

Vancouver

Spedalieri G, Ottaviani C, Braunstein SL, Gehring T, Jacobsen CS, Andersen UL et al. Quantum cryptography with an ideal local relay. 2015. https://doi.org/10.1117/12.2202662

Author

Spedalieri, Gaetana ; Ottaviani, Carlo ; Braunstein, Samuel L. ; Gehring, Tobias ; Jacobsen, Christian S. ; Andersen, Ulrik L. ; Pirandola, Stefano. / Quantum cryptography with an ideal local relay.

Bibtex - Download

@conference{4ca5d712bec448ab97dc41da5427b253,
title = "Quantum cryptography with an ideal local relay",
abstract = "We consider two remote parties connected to a relay by two quantum channels. To generate a secret key, they transmit coherent states to the relay, where the states are subject to a continuous-variable (CV) Bell detection. We study the ideal case where Alice's channel is lossless, i.e., the relay is locally situated in her lab and the Bell detection is performed with unit efficiency. This configuration allows us to explore the optimal performances achievable by CV measurement-device-independent (MDI) quantum key distribution (QKD). This corresponds to the limit of a trusted local relay, where the detection loss can be re-scaled. Our theoretical analysis is confirmed by an experimental simulation where 10^-4 secret bits per use can potentially be distributed at 170km assuming ideal reconciliation.",
keywords = "quant-ph",
author = "Gaetana Spedalieri and Carlo Ottaviani and Braunstein, {Samuel L.} and Tobias Gehring and Jacobsen, {Christian S.} and Andersen, {Ulrik L.} and Stefano Pirandola",
note = "in Proceedings of the SPIE Security + Defence 2015 conference on Quantum Information Science and Technology, Toulouse, France (21-24 September 2015) - Paper 9648-47",
year = "2015",
month = sep,
day = "3",
doi = "10.1117/12.2202662",
language = "English",

}

RIS (suitable for import to EndNote) - Download

TY - CONF

T1 - Quantum cryptography with an ideal local relay

AU - Spedalieri, Gaetana

AU - Ottaviani, Carlo

AU - Braunstein, Samuel L.

AU - Gehring, Tobias

AU - Jacobsen, Christian S.

AU - Andersen, Ulrik L.

AU - Pirandola, Stefano

N1 - in Proceedings of the SPIE Security + Defence 2015 conference on Quantum Information Science and Technology, Toulouse, France (21-24 September 2015) - Paper 9648-47

PY - 2015/9/3

Y1 - 2015/9/3

N2 - We consider two remote parties connected to a relay by two quantum channels. To generate a secret key, they transmit coherent states to the relay, where the states are subject to a continuous-variable (CV) Bell detection. We study the ideal case where Alice's channel is lossless, i.e., the relay is locally situated in her lab and the Bell detection is performed with unit efficiency. This configuration allows us to explore the optimal performances achievable by CV measurement-device-independent (MDI) quantum key distribution (QKD). This corresponds to the limit of a trusted local relay, where the detection loss can be re-scaled. Our theoretical analysis is confirmed by an experimental simulation where 10^-4 secret bits per use can potentially be distributed at 170km assuming ideal reconciliation.

AB - We consider two remote parties connected to a relay by two quantum channels. To generate a secret key, they transmit coherent states to the relay, where the states are subject to a continuous-variable (CV) Bell detection. We study the ideal case where Alice's channel is lossless, i.e., the relay is locally situated in her lab and the Bell detection is performed with unit efficiency. This configuration allows us to explore the optimal performances achievable by CV measurement-device-independent (MDI) quantum key distribution (QKD). This corresponds to the limit of a trusted local relay, where the detection loss can be re-scaled. Our theoretical analysis is confirmed by an experimental simulation where 10^-4 secret bits per use can potentially be distributed at 170km assuming ideal reconciliation.

KW - quant-ph

U2 - 10.1117/12.2202662

DO - 10.1117/12.2202662

M3 - Paper

ER -