Research Article

Polarization-Basis Tracking Scheme in Satellite Quantum Key Distribution

Table 1

Parameters used in the 1-km QKD experiments.

ItemValue

Clock rate100 MHz
ProtocolB92
Mean photon number0.0962 photons/pulse
Beam divergence angle0.6 mrad
Dark count rate  counts/pulse
QBER0.57%
Sift key rate240.21 kbps
Distance1.065 km