Integration of Quantum Key Distribution in a 20-km 32-user Coherent Passive Optical Network with Single Feeder Fiber

2024/12/20 by Jing Wang, Brian J. Rollick, Wang, Jing +5
Engineering · Physics and Astronomy · #Optical Network Technologies #Advanced Photonic Communication Systems #Quantum optics and atomic interactions

paper · pdf · doi:10.48550/arxiv.2412.16104

Abstract

We demonstrate for the first time the integration of O-band polarization-encoding decoy-state BB84 QKD into a C-band 20-km single-feeder fiber 32-user coherent PON running at carrier-grade power levels without modifying existing PON infrastructures.

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