Spatially dependent Rabi oscillations: an approach to sub-diffraction-limited CARS microscopy

We present a theoretical investigation of coherent anti-Stokes Raman scattering (CARS) that is modulated by periodically depleting the ground state population through Rabi oscillations driven by an additional control laser. We find that such a process generates optical sidebands in the CARS spectrum...

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Bibliographic Details
Published in:arXiv.org 2009-11
Main Authors: Beeker, Willem P, Lee, Chris J, Klaus-Jochen Boller, Gross, Petra, Cleff, Carsten, Fallnich, Carsten, Offerhaus, Herman L, Herek, Jennifer L
Format: Article
Language:English
Subjects:
Beams (radiation)
Coherent scattering
Diffraction
Emitters
Luminous intensity
Oscillations
Raman spectra
Sidebands
Spatial resolution
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Summary:We present a theoretical investigation of coherent anti-Stokes Raman scattering (CARS) that is modulated by periodically depleting the ground state population through Rabi oscillations driven by an additional control laser. We find that such a process generates optical sidebands in the CARS spectrum and that the frequency of the sidebands depends on the intensity of the control laser light field. We show that analyzing the sideband frequency upon scanning the beams across the sample allows one to spatially resolve emitter positions where a spatial resolution of 65 nm, which is well below the diffraction-limit, can be obtained.
ISSN:2331-8422
DOI:10.48550/arxiv.0911.2332