A quantum key distribution protocol based on time coding uses delayed one photon pulses with minimum time-frequency uncertainty product. Possible overlap between the pulses induces an ambiguous delay measurement and ensures a secure key exchange.
@article{arxiv.quant-ph/0309138,
title = {Quantum key distribution based on time coding},
author = {Thierry Debuisschert and William Boucher},
journal= {arXiv preprint arXiv:quant-ph/0309138},
year = {2007}
}
Comments
2 pages, 2 figures, Proceedings from the QELS conference, may 19-24, 2002, QThG4 pp 201-202