Simple and robust QKD system with Qubit4Sync temporal synchronization and the POGNAC polarization encoder

Costantino Agnesi Luca Calderaro,Marco Avesani,Andrea Stanco,Giulio Foletto,Mujtaba Zahidy,Alessia Scriminich,Francesco Vedovato,Giuseppe Vallone,Paolo Villoresi

Simple and robust QKD system with Qubit4Sync temporal synchronization and the POGNAC polarization encoder

2020

Costantino Agnesi Luca Calderaro
Marco Avesani
Andrea Stanco
Giulio Foletto
Mujtaba Zahidy
Alessia Scriminich
Francesco Vedovato
Giuseppe Vallone
Paolo Villoresi

Here we present a simple and robust polarization encoded QKD system that performs synchronization, polarization compensation and QKD with the same optical setup without requiring any changes or any additional hardware.

Keywords:

Synchronization
Encoder
Quantum key distribution
Polarization (waves)
Engineering
Electronic engineering
Photon polarization
Temporal resolution
Quantum optics

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