Title :
Robust decoy-state quantum key distribution with heralded single photon source
Author :
Wang, Q. ; Chen, W. ; Xavier, G. ; Swillo, M. ; Sauge, S. ; Tengner, M. ; Zhang, T. ; Han, Z.F. ; Guo, G.C. ; Karlsson, A.
Author_Institution :
Dept. of Microelectron. & Appl. Phys., R. Inst. of Technol., Kista
Abstract :
We have experimentally demonstrated a decoy-state quantum key distribution scheme (QKD) with a heralded single-photon source based on parametric down-conversion. What we used is a one-way BB84 protocol with a four-state and one-detector phase-coding scheme.
Keywords :
error statistics; laser beams; optical frequency conversion; phase coding; quantum cryptography; quantum entanglement; quantum optics; continuous wave laser; decoy-state quantum key distribution; heralded single photon source; nondegenerate entangled photon pairs; one-way BB84 protocol; parametric down-conversion; phase-coding scheme; quantum bit-error rate; Bit error rate; Elementary particle vacuum; Laboratories; Microelectronics; Optical fiber losses; Optical modulation; Photonic crystals; Physics; Robustness; Signal generators; 190.4975 Parametric processes; 270.5568 Quantum cryptography;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
