Title :
Witnessing effective entanglement over 2km of optical fiber
Author :
Wittmann, Christoffer ; Fürst, Josef ; Wiechers, Carlos ; Elser, Dominique ; Häseler, Hauke ; Lütkenhaus, Norbert ; Leuchs, Gerd
Author_Institution :
Max Planck Inst. for the Sci. of Light, Erlangen, Germany
Abstract :
We present a continuous-variable QKD system using heterodyne detection. We experimentally determine channel characteristics and compare them to bounds of our entanglement criterion. For the first time, the local oscillator is considered in this verification.
Keywords :
Diodes; Monitoring; Noise measurement; Optical fibers; Optical mixing; Optical receivers; Polarization; Quantum computing; Quantum entanglement; Signal generators;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA, USA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2
