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Simple and high-speed polarization-based QKD

Grünenfelder, Fadri
Published in Applied Physics Letters. 2018, vol. 112, no. 5, p. 051108
Abstract We present a simplified BB84 protocol with only three quantum states and one decoy-state level. We implement this scheme using the polarization degree of freedom at telecom wavelength. Only one pulsed laser is used in order to reduce possible side-channel attacks. The repetition rate of 625 MHz and the achieved secret bit rate of 23 bps over 200 km of standard fiber are the actual state of the art.
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Other version: http://aip.scitation.org/doi/10.1063/1.5016931
Research group Groupe Zbinden
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GRÜNENFELDER, Fadri et al. Simple and high-speed polarization-based QKD. In: Applied Physics Letters, 2018, vol. 112, n° 5, p. 051108. https://archive-ouverte.unige.ch/unige:101938

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Deposited on : 2018-02-06

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