Nonlinear optical magnetometry with accessible in situ optical squeezing

N. Otterstrom; R. C. Pooser; B. J. Lawrie

doi:10.1364/OL.39.006533

Nonlinear optical magnetometry with accessible in situ optical squeezing

N. Otterstrom, R. C. Pooser, B. J. Lawrie

Quantum Heterostructures

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66 Scopus citations

Abstract

We demonstrate compact and accessible squeezed-light magnetometry using four-wave mixing in a single hot rubidium vapor cell. The strong intrinsic coherence of the four-wave mixing process results in nonlinear magneto-optical rotation (NMOR) on each mode of a two-mode relative-intensity squeezed state. This framework enables 4.7 dB of quantum noise reduction while the opposing polarization rotation signals of the probe and conjugate fields add to increase the total signal to noise ratio.

Original language	English
Pages (from-to)	6533-6536
Number of pages	4
Journal	Optics Letters
Volume	39
Issue number	22
DOIs	https://doi.org/10.1364/OL.39.006533
State	Published - Nov 15 2014

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abstract = "We demonstrate compact and accessible squeezed-light magnetometry using four-wave mixing in a single hot rubidium vapor cell. The strong intrinsic coherence of the four-wave mixing process results in nonlinear magneto-optical rotation (NMOR) on each mode of a two-mode relative-intensity squeezed state. This framework enables 4.7 dB of quantum noise reduction while the opposing polarization rotation signals of the probe and conjugate fields add to increase the total signal to noise ratio.",

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AU - Lawrie, B. J.

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N2 - We demonstrate compact and accessible squeezed-light magnetometry using four-wave mixing in a single hot rubidium vapor cell. The strong intrinsic coherence of the four-wave mixing process results in nonlinear magneto-optical rotation (NMOR) on each mode of a two-mode relative-intensity squeezed state. This framework enables 4.7 dB of quantum noise reduction while the opposing polarization rotation signals of the probe and conjugate fields add to increase the total signal to noise ratio.

AB - We demonstrate compact and accessible squeezed-light magnetometry using four-wave mixing in a single hot rubidium vapor cell. The strong intrinsic coherence of the four-wave mixing process results in nonlinear magneto-optical rotation (NMOR) on each mode of a two-mode relative-intensity squeezed state. This framework enables 4.7 dB of quantum noise reduction while the opposing polarization rotation signals of the probe and conjugate fields add to increase the total signal to noise ratio.

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Nonlinear optical magnetometry with accessible in situ optical squeezing

Abstract

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