Transformation plasmonics

Author:

Kadic Muamer1,Guenneau Sébastien1,Enoch Stefan1,Huidobro Paloma A.2,Martín-Moreno Luis3,García-Vidal Francisco J.2,Renger Jan4,Quidant Romain45

Affiliation:

1. Institut Fresnel, CNRS, Aix-Marseille Université, Campus Universitaire de Saint-Jérôme, 13013 Marseille, France

2. Departamento de Física Teorica de la Materia Condensada, Universidad Autónoma de Madrid, E-28049 Madrid, Spain

3. Instituto de Ciencia de Materiales de Aragon and Departamento de Fisica de la Materia Condensada, ICMA-Universidad de Zaragoza, Zaragoza 50009, Spain

4. ICFO-Institut de Ciencies Fotoniques, Mediterranean Technology Park, 08860 Castelldefels (Barcelona), Spain

5. ICREA-Institució Catalana de Recerca i Estudis Avançats 08810 Barcelona, Spain

Abstract

Abstract Surface plasmons polaritons (SPPs) at metal/dielectric interfaces have raised lots of expectations in the on-going quest towards scaling down optical devices. SPP optics offers a powerful and flexible platform for real two-dimensional integrated optics, capable of supporting both light and electrons. Yet, a full exploitation of the features of SPPs is conditioned by an accurate control of their flow. Most efforts have so far focused on the extrapolation of concepts borrowed from guided optics. This strategy has already led to many important breakthroughs but a fully deterministic control of SPP modes remains a challenge. Recently, the field of optics was stimulated by a novel paradigm, transformation optics, which offers the capability to control light flow in any desired fashion. While it has already significantly contributed to the design of metamaterials with unprecedented optical properties, its versatility offers new opportunities towards a fully deterministic control of SPPs and the design of a new class of plasmonic functionalities. Here, we review recent progress in the application of transformation optics to SPPs. We first briefly describe the theoretical formalism of transformation plasmonics, focusing on its specificities over its three-dimensional optical counterpart. Numerical simulations are then used to illustrate its capability to tame SPP flows at a metal interface patterned with a dielectric load. Finally, we review recent experimental implementations leading to unique SPP functionalities at optical frequencies.

Publisher

Walter de Gruyter GmbH

Subject

Electrical and Electronic Engineering,Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials,Biotechnology

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