Generation of surface plasmons with compact devices

A. Baron; P. Lalanne; C. H. Gan; J. P. Hugonin

doi:10.1117/12.2002951

6 March 2013 Generation of surface plasmons with compact devices

A. Baron, P. Lalanne, C. H. Gan, J. P. Hugonin

Proceedings Volume 8627, Integrated Optics: Devices, Materials, and Technologies XVII; 86270W (2013) https://doi.org/10.1117/12.2002951
Event: SPIE OPTO, 2013, San Francisco, California, United States

Abstract

We review the properties of the generation of surface plasmons by subwavelength isolated slits in metal films and by small ensembles of slits. After an introduction, in Section 2, we recall the theoretical modal formalism that allows us to calculate the generation efficiency of SPP from the total field scattered by an indentation on a metal film. We also rapidly discuss the main results known of the SPP generation efficiency by subwavelength tiny slits or grooves. In Section 3, we consider the special case of wavelength-large slits that support two propagative modes and that allow us to dynamically control the direction of generated surface plasmons. In Section 4, we conclude by describing a compact and efficient device capable of launching SPPs in a single direction with a normally incident beam.

Citation Download Citation

A. Baron, P. Lalanne, C. H. Gan, and J. P. Hugonin "Generation of surface plasmons with compact devices", Proc. SPIE 8627, Integrated Optics: Devices, Materials, and Technologies XVII, 86270W (6 March 2013); https://doi.org/10.1117/12.2002951

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