Publication

Strong enhancement of forbidden atomic transitions using plasmonic nanostructures

Olivier Martin, Andreas Kern
2012
Journal Articles

Abstract

We investigate the mediation of symmetry-forbidden atomic transitions using plasmonic nanostructures. We show that the excitation of the electric dipole-forbidden, quadrupole-allowed 6 2S1/2 − 5 2D5/2 transition in cesium may be enhanced by more than 6 orders of magnitude in the intense, inhomogeneous near field of a plasmonic nanoantenna. Using optical reciprocity, the enhancement can be understood to apply to spontaneous emission as well, allowing the fast and efficient optical detection of excited atoms.

Official source

https://infoscience.epfl.ch/entities/publication/1922b096-ca6f-4518-ac63-384ac600ea2b

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Strong enhancement of forbidden atomic transitions using plasmonic nanostructures

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