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Phys. Rev. Lett. 55, 2409 - 2412 (1985)

Observation of Squeezed States Generated by Four-Wave Mixing in an Optical Cavity

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R. E. Slusher
AT&T Bell Laboratories, Murray Hill, New Jersey 07974

L. W. Hollberg
AT&T Bell Laboratories, Holmdel, New Jersey 07733

B. Yurke, J. C. Mertz, and J. F. Valley *
AT&T Bell Laboratories, Murray Hill, New Jersey 07974

 See Also: Erratum

Received 27 August 1985

Squeezed states of the electromagnetic field have been generated by nondegenerate four-wave mixing due to Na atoms in an optical cavity. The optical noise in the cavity, comprised of primarily vacuum fluctuations and a small component of spontaneous emission from the pumped Na atoms, is amplified in one quadrature of the optical field and deamplified in the other quadrature. These quadrature components are measured with a balanced homodyne detector. The total noise level in the deamplified quadrature drops below the vacuum noise level.


©1985 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevLett.55.2409
DOI: 10.1103/PhysRevLett.55.2409
PACS: 42.50.+q, 06.30.Lz, 42.65.-k

* Permanent address: Arizona State University, Tempe, Ariz. 85287.

See Also

Erratum: R. E. Slusher, L. W. Hollberg, B. Yurke, J. C. Mertz, and J. F. Valley, Observation of Squeezed States Generated by Four-Wave Mixing in an Optical Cavity, Phys. Rev. Lett. 56, 788 (1986)

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