Quantum key distribution over 30 km of standard fiber using energy-time entangled photon pairs: a comparison of two chromatic dispersion reduction methodsS. Fasel, N. Gisin, G. Ribordy and H. ZbindenEur. Phys. J. D, 30 1 (2004) 143-148DOI: https://doi.org/10.1140/epjd/e2004-00080-8