SMF Coupled Compact Ground Terminal with Advanced Filtering Towards Daylight C Band Satellite QKD
Argiris Ntanos, Aristeidis Stathis, Panagiotis Kourelias, Evridiki Kyriazi, Panagiotis Toumasis, Nikolaos K. Lyras, Nikolaos Makris, Sotirios Tsavdaridis, E. M. Xilouris, Athanasios Marousis, Ilias Papastamatiou, Athanasios D. Panagopoulos, Konstantinos Vyrsokinos, Kleomenis Tsiganis, George T. Kanellos, Hercules Avramopoulos, Giannis Giannoulis
公開日: 2025/9/9
Abstract
We demonstrate a compact, high-isolation C-band optical ground terminal for satellite QKD, achieving more than 120 dB daylight background suppression and 135 dB crosstalk noise isolation. Successful QKD over an outdoor 100m FSO validate its feasibility for integration of satellite-QKD with urban fiber segments.