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Single-Laser Differential Phase Shift Transmitter for Small Form-Factor Quantum Key Distribution Optics

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Abstract

A cost-effective QKD transmitter based on a phase-modulated laser with integrated pulse carving is experimentally demonstrated. A raw key rate of 4.5kb/s at 2.65% quantum bit error ratio is obtained after 27 km fiber transmission.

© 2018 The Author(s)

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