Single-SPAD Implementation of Quantum Key Distribution

Paolo Martelli,M. Brunero,Annalaura Fasiello,F. Rossi,A. Tosi,Mario Martinelli

Single-SPAD Implementation of Quantum Key Distribution

2019

Paolo Martelli
M. Brunero
Annalaura Fasiello
F. Rossi
A. Tosi
Mario Martinelli

A cost-effective implementation of BB84 protocol for QKD, based on the use of a Faraday rotator variable over four states and a single SPAD, is presented.

Keywords:

Electronic engineering
Quantum key distribution
Physics
BB84
Faraday rotator
Logic gate
Polarization (waves)
Photonics

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