Reference-frame-independent quantum-key-distribution server with a telecom tether for an on-chip client
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 det...
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| Veröffentlicht in: | Physical review letters 2014-04, Vol.112 (13), p.130501-130501, Article 130501 |
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| container_title | Physical review letters |
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| creator | Zhang, P Aungskunsiri, K Martín-López, E Wabnig, J Lobino, M Nock, R W Munns, J Bonneau, D Jiang, P Li, H W Laing, A Rarity, J G Niskanen, A O Thompson, M G O'Brien, J L |
| description | 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. |
| doi_str_mv | 10.1103/PhysRevLett.112.130501 |
| format | Article |
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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. 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| identifier | ISSN: 0031-9007 |
| ispartof | Physical review letters, 2014-04, Vol.112 (13), p.130501-130501, Article 130501 |
| issn | 0031-9007 1079-7114 |
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| source | American Physical Society Journals |
| subjects | Accessibility Birefringence Fibers Mobile communication systems Polarization Qubits (quantum computing) Servers Telecommunications |
| title | Reference-frame-independent quantum-key-distribution server with a telecom tether for an on-chip client |
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