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QKD protocol over 100 km long submarine optical fiber assisted by a system-in-package fast-gated InGaAs single photon detector

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Abstract

A QKD link established between Sicily (Italy) and Malta has been utilized to test the performances of a fast-gated InGaAs single photon detector, achieving a fourteen times higher key rate than using a commercial detector.

© 2023 The Author(s)

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