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

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

2006-11-11

arxiv.org/abs/quant-ph/0611123v1

EOS 2006 Annual meeting Proceeding

Physics

Quantum Physics

2 pages, 3 figues, EOS Annual Meeting 2006, Topical Meeting on Extreme Optics (QEOD/EPS), Paris, Oct. 2006

Scientific paper

We compare the principles and experimental results of two different QPSK
signal detection configurations, photon counting and super homodyning, for
applications in fiber-optic Quantum Key Distribution (QKD) systems operating at
telecom wavelength, using the BB84 protocol.

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