Qubit4Sync: a qubit-based synchronization system for quantum key distribution
Luca Calderaro, Andrea Stanco, Costantino Agnesi, Marco Avesani, Daniele Dequal, Paolo Villoresi, Giuseppe Vallone · Frontiers in Optics / Laser Science · 2020
Qubit4Sync is a synchronization method for quantum key distribution which uses the same qubits exchanged during the protocol; in the same spirit of classical communication protocols reling on clock recovery methods that uses the data stream itself.