Interferometry with Faraday mirrors for quantum cryptography

Preprint

14 March 1997

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.quant-ph/9703024

Abstract

Quantum Cryptography over 23km of installed Telecom fiber using a novel interferometer with Faraday mirrors is presented. The interferometer needs no alignment nor polarization control and features 99.8% fringe visibility. A secret key of 20kbit length with a error rate of 1.35% for 0.1 photon per pulse was produced.

Keywords

POLARIZATION CONTROL
QUANTUM CRYPTOGRAPHY
FARADAY MIRRORS
INTERFEROMETRY
INTERFEROMETER
MIRRORS
PHOTON

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Version 1, 1997-03-14, ArXiv

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