Reference-Frame-Independent Quantum-Key-Distribution Server with a Telecom Tether for an On-Chip Client

Zhang, P, Aungskunsiri, K, Martín-López, E, Wabnig, J, Lobino, M, Nock, Richard, Munns, J, Bonneau, D, Jiang, P, Li, H W, Laing, A, Rarity, John G, Niskanen, A O, Thompson, M G and O'Brien, J L (2014). Reference-Frame-Independent Quantum-Key-Distribution Server with a Telecom Tether for an On-Chip Client. Physical Review Letters, 112 (13),

Abstract

We demonstrate a client-server quantum key distribution (QKD) scheme. Large resources such as laser and detectors are situated at the server side, which is accessible via telecom fiber to a client requiring only an on-chip polarization rotator, which may be integrated into a handheld device. The detrimental effects of unstable fiber birefringence are overcome by employing the reference-frame-independent QKD protocol for polarization qubits in polarization maintaining fiber, where standard QKD protocols fail, as we show for comparison. This opens the way for quantum enhanced secure communications between companies and members of the general public equipped with handheld mobile devices, via telecom-fiber tethering.

Publication DOI: https://doi.org/10.1103/PhysRevLett.112.130501
Divisions: Engineering & Applied Sciences
Additional Information: © 2014 American Physical Society. Reference-Frame-Independent Quantum-Key-Distribution Server with a Telecom Tether for an On-Chip Client P. Zhang, K. Aungskunsiri, E. Martín-López, J. Wabnig, M. Lobino, R. W. Nock, J. Munns, D. Bonneau, P. Jiang, H. W. Li, A. Laing, J. G. Rarity, A. O. Niskanen, M. G. Thompson, and J. L. O’Brien Phys. Rev. Lett. 112, 130501 – Published 2 April 2014
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Related URLs: https://journal ... Lett.112.130501 (Publisher URL)
Published Date: 2014-04-02
Authors: Zhang, P
Aungskunsiri, K
Martín-López, E
Wabnig, J
Lobino, M
Nock, Richard
Munns, J
Bonneau, D
Jiang, P
Li, H W
Laing, A
Rarity, John G
Niskanen, A O
Thompson, M G
O'Brien, J L

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