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Heterodyne coherent anti-Stokes Raman scattering for spectral phase retrieval and signal amplification.

Xi Wang, Aihua Zhang, Miaochan Zhi, Alexei V Sokolov, George R Welch, and Marlan O Scully

Opt Lett 35(5):721-3 (2010) PMID 20195331

We study interference between a local oscillator and coherent anti-Stokes Raman scattering signal fields by controlling their relative phase and amplitude. This control allows direct observation of the real and imaginary components of the third-order nonlinear susceptibility (chi((3))) of the sample. In addition, we demonstrate that the heterodyne method can be used to amplify the signal.

DOI: 10.1364/OL.35.000721
Version: za2963e q8za7 q8zbb q8zc8 q8zd3 q8ze6 q8zf6 q8zgf

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