most citedPhoton Counting and Super Homodyne Detection of Weak QPSK Signals for Quantum Key Distribution

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quant-ph2006★ 1 cited

Photon Counting and Super Homodyne Detection of Weak QPSK Signals for Quantum Key Distribution

Q. XU, M. B. Costa e Silva, S. Agnolini +2

We compare the principles and experimental results of two different QPSK signal detection configurations, photon counting and super homodyning, for applications in fiber-optic Quan…

quant-ph2006

Homodyne QPSK Detection for Quantum Key Distribution

M. B. Costa e Silva, Q. Xu, S. Agnolini +2

We present a QKD system with fainted pulses using self-homodyne coherent detection in optical fibers at 1543nm. BB84 protocol key is encoded in the optical phase using a twoelectro…