Electromagnetic SERS effect in carbon nanotube systems

•Resonance Raman scattering theory is developed for an atom near a carbon nanotube.•Nanotubes can enhance Raman scattering by atoms physisorbed on their surface.•Strong coupling to nanotube’s interband plasmon resonance enhances the Raman effect.•The theory offers new design concepts to create platf...

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Bibliographic Details
Published in:Superlattices and microstructures 2015-11, Vol.87 (C), p.103-108
Main Authors: Bondarev, I.V., Gulyuk, A.V.
Format: Article
Language:English
Subjects:
Carbon nanotubes
Interband plasmons
SERS
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Summary:•Resonance Raman scattering theory is developed for an atom near a carbon nanotube.•Nanotubes can enhance Raman scattering by atoms physisorbed on their surface.•Strong coupling to nanotube’s interband plasmon resonance enhances the Raman effect.•The theory offers new design concepts to create platforms for single atom detection. Quantum electrodynamics theory of the resonance Raman scattering is developed for an atom in a close proximity to a carbon nanotube. The theory describes both weak and strong atomic coupling to nanotube plasmon near fields, and predicts a dramatic enhancement of the Raman intensity in the strong coupling regime. This resonance scattering is a manifestation of the surface enhanced Raman scattering effect, and can be used in designing efficient nanotube based optical sensing substrates for single atom detection, precision spontaneous emission control, and manipulation.
ISSN:0749-6036
1096-3677
DOI:10.1016/j.spmi.2015.05.045