SMF Coupled Compact Ground Terminal with Advanced Filtering Towards Daylight C Band Satellite QKD

Argiris Ntanos, Aristeidis Stathis, Panagiotis Kourelias +14

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 iso…