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Proceedings Paper

Quantum nondemolition measurements and squeezing in atomic three-level systems
Author(s): Jean-Philippe Poizat; Philippe Grangier
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Paper Abstract

We present a theoretical study of the quantum non-demolition (QND) measurement of an optical intensity in an atomic three-level system, using a quantum linear response theory recently developed. The principle of this scheme is to use the two-photon crossed-phase- modulation effect, in order to couple the quantum intensity fluctuations of the `signal' beam to the quantum phase fluctuations of the `meter' beam. The predictions of the complete theory are compared with recent experimental results using a sodium atomic beam, which include the observation of both squeezing and QND effects.

Paper Details

Date Published: 10 May 1996
PDF: 12 pages
Proc. SPIE 2798, Coherent Phenomena and Amplification without Inversion, (10 May 1996); doi: 10.1117/12.239481
Show Author Affiliations
Jean-Philippe Poizat, Institut d'Optique (France)
Philippe Grangier, Institut d'Optique (France)

Published in SPIE Proceedings Vol. 2798:
Coherent Phenomena and Amplification without Inversion
A. L. Andreev; Olga A. Kocharovskaya; Paul Mandel, Editor(s)

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