Three-field noise correlation via third-order nonlinear optical processes
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Updated: May 31, 2026

Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators
Published on: April 4, 2016
Huaibin Zheng1, Utsab Khadka, Jianping Song
1Department of Physics, University of Arkansas, Fayetteville, Arkansas 72701, USA. huaibinzheng@mail.xjtu.edu.cn
Abstract:
We report experimental observation of three-field noise correlation between two coexisting four-wave mixing (FWM) signals and the probe signal in a coherently-prepared rubidium vapor system. The two FWM signals in a double-Λ type quasi-four-level atomic system are obtained in different directions via their respective phase-matching conditions and can be detected individually. These signals and the probe beam are found to be strongly correlated or anticorrelated with each other.
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