CVQKD with composable security over 20km SMF using a 10 kHz linewidth local oscillator laser

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:
Chin, Hou-Man; Andersen, Ulrik L.; Gehring, Tobias

Abstract:
We present the results of our experimental polarisation diverse continuous variable quantum key distribution system operating over 20km SMF at 100 Mbaud, implemented using a 10 kHz laser as a free running local oscillator. A composable finite size key is achieved with 2 × 10(8) states.