Shortwave DPS-QKD Employing a SiN Micro-Ring Resonator as Compact Quantum State Analyser
Conference: ECOC 2024 - 50th European Conference on Optical Communication
09/22/2024 - 09/26/2024 at Frankfurt, Germany
Proceedings: ITG-Fb. 317: ECOC 2024
Pages: 4Language: englishTyp: PDF
Authors:
Honz, Florian; Muellner, Paul; Hentschel, Michael; Nevlacsil, Stefan; Kraft, Jochen; Sagmeister, Martin; Walther, Philip; Hainberger, Rainer; Schrenk, Bernhard
Abstract:
We show simplified DPS-QKD using a SiN micro-ring resonator operated at 852 nm. A rawkey rate of up to 25.3 kb/s is reached at a QBER suitable for secure-key extraction. Short-reach QKD operation is maintained for zero-touch link layouts with C-band telecom fiber.