منابع مشابه
Squeezed Vacuum Interferometry
A high-sensitive interferometric scheme is presented. It is based on homodyne detection and squeezed vacuum phase properties. The resulting phase sensitivity scales as ' 1 4 n 1 with respect to input photons number. Accepted for publication in Modern Phyiscs Letters B E-mail Address: [email protected]
متن کاملStorage and retrieval of a squeezed vacuum.
Storage and retrieval of a squeezed vacuum was successfully demonstrated using electromagnetically induced transparency. The squeezed vacuum pulse having a temporal width of 930 ns was incident on the laser cooled 87Rb atoms with an intense control light in a coherent state. When the squeezed vacuum pulse was slowed and spatially compressed in the cold atoms, the control light was switched off....
متن کاملSuppression of the radiative decay of atomic coherence in squeezed vacuum
K. W. Murch, S. J. Weber, K. M. Beck, E. Ginossar, and I. Siddiqi Quantum Nanoelectronics Laboratory, Department of Physics, University of California, Berkeley CA 94720 Department of Physics, MIT-Harvard Center for Ultracold Atoms, and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA 02139 Advanced Technology Institute and Department of Physics, Universit...
متن کاملAll-atomic generation and noise-quadrature filtering of squeezed vacuum in hot Rb vapor
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متن کاملSqueezed States in the de Sitter Vacuum
We discuss the treatment of squeezed states as excitations in the Euclidean vacuum of de Sitter space. A comparison with the treatment of these states as candidate noparticle states, or alpha-vacua, shows important differences already in the free theory. At the interacting level alpha-vacua are inconsistent, but squeezed state excitations seem perfectly acceptable. Indeed, matrix elements can b...
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ژورنال
عنوان ژورنال: Physical Review A
سال: 1986
ISSN: 0556-2791
DOI: 10.1103/physreva.34.4882