Title :
Experimental demonstration of macroscopic quantum coherence in Gaussian states
Author :
Marquardt, Ch ; Andersen, U.L. ; Leuchs, G. ; Takeno, Y. ; Yukawa, M. ; Yonezawa, H. ; Furusawa, A.
Author_Institution :
Max-Planck Forschungsgruppe, Univ. Erlangen-Nurnberg, Nuremberg
Abstract :
We experimentally proved the existence of macroscopic coherences in Gaussian quantum states using a recently proposed criterion [1]. We show interferences with remarkable distances in phase space for squeezed, entangled and even for coherent states.
Keywords :
quantum entanglement; quantum optics; Gaussian quantum states; coherent states; entangled states; macroscopic quantum coherence; phase space; squeezed states; Interference; Microscopy; Nonlinear optics; Optical pumping; Optical recording; Physics; Probability distribution; Quantum entanglement; Statistics; Uncertainty; 190.4970; 270.5290; 270.6570;
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
