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Enhanced single photon fringe visibility in a 10 km-long prototype quantum cryptography channel

Enhanced single photon fringe visibility in a 10 km-long prototype quantum cryptography channel

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© The Institution of Electrical Engineers
Published

High visibility (V = 0.985) single photon fringe measurements in a 10 km long, optical fibre-based, time- and polarisation-division Mach-Zehnder interferometer are reported. The ability of the system to transmit key data in a quantum cryptography scheme is assessed.

Inspec keywords: cryptography; light interferometry; optical links; optical fibres

Other keywords: optical fibre based system; single photon fringe visibility; quantum cryptography channel; Mach-Zehnder interferometer; key data transmission; polarisation-division; time division; 10 km

Subjects: Fibre optics; Optical communication; Codes

References

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