Title :
Sequential quantum teleportation for continuous variables and quantum state reconstruction by optical homodyne tomography
Author :
Yonezawa, Hidehiro ; Furusawa, Akira
Author_Institution :
Dept. of Appl. Phys., Univ. of Tokyo, Tokyo
Abstract :
Sequential quantum teleportation for continuous variables is experimentally demonstrated. By using two high fidelity teleporters, an unknown coherent state is teleported twice and fidelity is F = 0.53plusmn0.2.We show the measurement results using optical homodyne tomography.
Keywords :
light coherence; optical information processing; optical tomography; quantum communication; quantum optics; teleportation; continuous variables; high fidelity teleporters; optical homodyne tomography; quantum communication; quantum information processing; quantum state reconstruction; sequential quantum teleportation; unknown coherent state; Electromagnetic fields; Information processing; Nonlinear optics; Optical network units; Optical receivers; Physics; Protocols; Quantum entanglement; Teleportation; Tomography; (120.2920) Homodyning; (270.6570) Squeezed states;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4628888
