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Atoms as nonlinear mixers for detection of quantum correlations at ultrahigh frequencies

Georgiades, N. Ph. and Polzik, E. S. and Kimble, H. J. (1997) Atoms as nonlinear mixers for detection of quantum correlations at ultrahigh frequencies. Physical Review A, 55 (3). R1605-R1608. ISSN 1050-2947. http://resolver.caltech.edu/CaltechAUTHORS:GEOpra97

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Abstract

Measurements of quantum correlations are reported for a frequency difference of 25 THz between the signal and idler output fields generated by a subthreshold nondegenerate optical parametric oscillator. By simultaneously exciting a two-photon transition in atomic Cs by a combination of signal, idler, and "references oscillator" fields, we record modulation of the excited-state population due to quantum interference between two alternative excitation pathways. The observed phase-sensitive modulation is proportional to the correlation function〈EsEi〉for the quantized signal and idler fields.


Item Type:Article
Additional Information:©1997 The American Physical Society. Received 16 September 1996. This work was supported by the Division of Chemical Sciences, Office of Basic Energy Sciences, Office of Energy Research, U.S. Department of Energy.
Subject Keywords:2-PHOTON COHERENT STATES; HOMODYNE DETECTION; FIELD
Record Number:CaltechAUTHORS:GEOpra97
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:GEOpra97
Alternative URL:http://dx.doi.org/10.1103/PhysRevA.55.R1605
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:4360
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:18 Aug 2006
Last Modified:26 Dec 2012 08:59

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