Symmetric autocompensating quantum key distribution

Zachary D. Walton; Alexander V. Sergienko; Lev B. Levitin; Bahaa E. A. Saleh; Malvin C. Teich

doi:10.1117/12.543179

24 August 2004 Symmetric autocompensating quantum key distribution

Zachary D. Walton, Alexander V. Sergienko, Lev B. Levitin, Bahaa E. A. Saleh, Malvin C. Teich

Proceedings Volume 5436, Quantum Information and Computation II; (2004) https://doi.org/10.1117/12.543179
Event: Defense and Security, 2004, Orlando, Florida, United States

Abstract

We present quantum key distribution schemes which are autocompensating (require no alignment) and symmetric (Alice and Bob receive photons from a central source) for both polarization and time-bin qubits. The primary benefit of the symmetric configuration is that both Alice and Bob may have passive setups (neither Alice nor Bob is required to make active changes for each run of the protocol). We show that both the polarization and the time-bin schemes may be implemented with existing technology. The new schemes are related to previously described schemes by the concept of advanced waves.

Citation Download Citation

Zachary D. Walton, Alexander V. Sergienko, Lev B. Levitin, Bahaa E. A. Saleh, and Malvin C. Teich "Symmetric autocompensating quantum key distribution", Proc. SPIE 5436, Quantum Information and Computation II, (24 August 2004); https://doi.org/10.1117/12.543179

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