Demonstration of 17λ × 10 Gb/s C-Band Classical / DV-QKD Co-Existence Over Hollow-Core Fiber Link

F. Honz; F. Prawits; O. Alia; H. Sakr; T. Bradley; C. Zhang; R. Slavík; F. Poletti; G. Kanellos; R. Nejabati; P. Walther; D. Simeonidou; H. Hübel; B. Schrenk

European Conference on Optical Communication (ECOC) 2022
Technical Digest Series (Optica Publishing Group, 2022),
paper Th1G.3

Demonstration of 17λ × 10 Gb/s C-Band Classical / DV-QKD Co-Existence Over Hollow-Core Fiber Link

F. Honz, F. Prawits, O. Alia, H. Sakr, T. Bradley, C. Zhang, R. Slavík, F. Poletti, G. Kanellos, R. Nejabati, P. Walther, D. Simeonidou, H. Hübel, and B. Schrenk

European Conference and Exhibition on Optical Communication 2022

Basel Switzerland
18–22 September 2022
ISBN: 978-1-957171-15-9

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Quantum Communication (Th1G)

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F. Honz, F. Prawits, O. Alia, H. Sakr, T. Bradley, C. Zhang, R. Slavík, F. Poletti, G. Kanellos, R. Nejabati, P. Walther, D. Simeonidou, H. Hübel, and B. Schrenk, "Demonstration of 17λ × 10 Gb/s C-Band Classical / DV-QKD Co-Existence Over Hollow-Core Fiber Link," in European Conference on Optical Communication (ECOC) 2022, J. Leuthold, C. Harder, B. Offrein, and H. Limberger, eds., Technical Digest Series (Optica Publishing Group, 2022), paper Th1G.3.

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Abstract

We successfully integrate coherent one-way QKD at 1538 nm in a 7.7 km long hollow-core fiber link with 17 EDFA-boosted C-band data channels from 1540.56 to 1558.17 nm, aggregating a power of 11 dBm. QKD operation proves successful despite the wideband layout of classical channels.

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