Theoretical and Practical Limits of Large Alphabet Energy-Time Quantum Key Distribution
Curtis J. Broadbent, I. Ali Khan, A. Toulouse, Paul A. Lopata, Thomas B. Bahder, John C. Howell · Frontiers in Optics · 2006
We show that with current technology, large alphabet energy-time quantum key distribution (QKD) will easily allow for the transmission of quantum key qubytes, photonic quantum states which transmit 8 random key bits per sifted photon.