Integrating a QPSK Quantum Key Distribution Link
M. B. Costa e Silva, Q. Xu, S. Agnolini, S. Guilley, J-L. Danger, P. Gallion, F. J. Mendieta
Abstract
We present the integration of the optical and electronic subsystems of a BB84-QKD fiber link. A highspeed FPGA MODEM generates the random QPSK sequences for a fiber-optic delayed self-homodyne scheme using APD detectors.
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