Unusual Resonators: Plasmonics, Metamaterials, and Random Media

Details Unusual Resonators: Plasmonics, Metamaterials, and Random Media Unusual Resonators: Plasmonics, Metamaterials, and Random Media

2007-08-19

arxiv.org/abs/0708.2653v3

Rev. Mod. Phys. 80, 1201 (2008)

Physics

Optics

13 pages, 9 figures

Scientific paper

10.1103/RevModPhys.80.1201

Superresolution, extraordinary transmission, total absorption, and localization of electromagnetic waves are currently attracting growing attention. These phenomena are related to different physical objects and are usually studied within the context of different, sometimes rather sophisticated, physical approaches. Remarkably, all these seemingly unrelated phenomena owe their origin to the same underlying physical mechanism - wave interaction with an open resonator. Here we show that it is possible to describe all of these effects in a unified way, mapping each system onto a simple resonator model. Such description provides a thorough understanding of the phenomena, explains all the main features of their complex behaviour, and enables to control the system via the resonator parameters: eigenfrequencies, Q-factors, and coupling coefficients.

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