Plasmonic heterostructures for addressable nanophotonics

Gary P. Wiederrecht; Gregory A. Wurtz; Alexandre Bouhelier; Jeffrey E. Hall; Jasmina Hranisavljevic

doi:10.1117/12.666660

20 April 2006 Plasmonic heterostructures for addressable nanophotonics

Gary P. Wiederrecht, Gregory A. Wurtz, Alexandre Bouhelier, Jeffrey E. Hall, Jasmina Hranisavljevic

Proceedings Volume 6195, Nanophotonics; 61950T (2006) https://doi.org/10.1117/12.666660
Event: SPIE Photonics Europe, 2006, Strasbourg, France

Abstract

Plasmonics applications will benefit if reliable means to alter plasmon absorption and damping properties via external inputs are found. We are working towards this goal by functionalizing noble metal films with polarizable, excitonic molecular films. Examples include molecular j-aggregates, whose excitonic absorptions can be photobleached to modify plasmon absorption properties. We report two developments in this area. The first is the observation of coherent polarization coupling between the exciton of a molecular J-aggregate and the electronic polarization of noble metal nanoparticles. The second is a new far-field method to directly observe surface plasmon propagation, demonstrating that the lateral intensity decay length is affected by a change of the interface property. The method relies on the detection of the intrinsic lossy modes associated with plasmon propagation in thin films. We also uniquely introduce a method to excite a broad spectral distribution of surface plasmon simultaneously throughout the visible spectrum allowing surface plasmon based spectroscopy to be performed.

Citation Download Citation

Gary P. Wiederrecht, Gregory A. Wurtz, Alexandre Bouhelier, Jeffrey E. Hall, and Jasmina Hranisavljevic "Plasmonic heterostructures for addressable nanophotonics", Proc. SPIE 6195, Nanophotonics, 61950T (20 April 2006); https://doi.org/10.1117/12.666660

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