Title :
Characterization of decoherence in a quantum channel using weak measurements
Author :
Hofmann, Holger F.
Author_Institution :
Grad. Sch. of Adv. Sci. of Matter, Hiroshima Univ., Higashi-Hiroshima, Japan
fDate :
Aug. 28 2011-Sept. 1 2011
Abstract :
It is shown that weak measurements can determine the total amount of incoherent noise in quantum state transmissions through a quantum channel. Decoherence effects can then be identified efficiently without complete process tomography.
Keywords :
light coherence; quantum noise; quantum optics; complete process tomography; decoherence effects; incoherent noise; quantum channel; quantum state transmissions; weak measurements; Atmospheric measurements; Density measurement; Noise; Noise measurement; Particle measurements; Time measurement; Uncertainty;
Conference_Titel :
Quantum Electronics Conference & Lasers and Electro-Optics (CLEO/IQEC/PACIFIC RIM), 2011
Conference_Location :
Sydney, NSW
Print_ISBN :
978-1-4577-1939-4
DOI :
10.1109/IQEC-CLEO.2011.6193710