Spectroscopy with squeezed light

E. S. Polzik, J. Carri, and H. J. Kimble
Phys. Rev. Lett. 68, 3020 – Published 18 May 1992
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Abstract

A frequency-tunable source of squeezed light is employed for spectroscopic measurements of atomic cesium. Relative to the usual quantum limit associated with vacuum-state fluctuations, enhanced sensitivity is demonstrated for the detection of Doppler-free resonances in saturation spectroscopy, with an improvement of 3.1 dB directly observed and 3.8 dB inferred after correcting for detector thermal noise.

  • Received 29 January 1992

DOI:https://doi.org/10.1103/PhysRevLett.68.3020

©1992 American Physical Society

Authors & Affiliations

E. S. Polzik, J. Carri, and H. J. Kimble

  • Norman Bridge Laboratory of Physics 12-33, California Institute of Technology, Pasadena, California 91125

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Issue

Vol. 68, Iss. 20 — 18 May 1992

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