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Planar metamaterials: beyond negative index

Planar metamaterials: beyond negative index
Planar metamaterials: beyond negative index
We will give a brief overview of our recent and ongoing research on a novel class of electromagnetic metamaterials exhibiting narrow high-Q resonances [1]. We will also introduce a concept of "incoherent" and "coherent" metamaterials [2], where narrow resonances are formed by correspondingly individual meta-molecules and collective coherent response of the entire ordered array of meta-molecules. We will draw parallels between the classical electromagnetic response of such metamaterials and well-established quantum effects such as electromagnetically induced transparency [3] and Mossbauer effect, and notice some remarkable similarity with a ferromagnetic phase transition in a two-dimensional Ising spin lattice. Several intriguing applications of this new class of artificial media will be discussed, in particular achieving considerable delays in propagation of electromagnetic pulses and building of a coherent source of electromagnetic radiation fuelled by plasmonic oscillations - the lasing spaser [4].
Fedotov, V.A.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Fedotov, V.A.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6

Fedotov, V.A. and Zheludev, N.I. (2008) Planar metamaterials: beyond negative index. 4th National Workshop on Metamaterials and Special Materials for Electromagnetic Applications and TLC (MMSM'08). 18 - 19 Dec 2008.

Record type: Conference or Workshop Item (Paper)

Abstract

We will give a brief overview of our recent and ongoing research on a novel class of electromagnetic metamaterials exhibiting narrow high-Q resonances [1]. We will also introduce a concept of "incoherent" and "coherent" metamaterials [2], where narrow resonances are formed by correspondingly individual meta-molecules and collective coherent response of the entire ordered array of meta-molecules. We will draw parallels between the classical electromagnetic response of such metamaterials and well-established quantum effects such as electromagnetically induced transparency [3] and Mossbauer effect, and notice some remarkable similarity with a ferromagnetic phase transition in a two-dimensional Ising spin lattice. Several intriguing applications of this new class of artificial media will be discussed, in particular achieving considerable delays in propagation of electromagnetic pulses and building of a coherent source of electromagnetic radiation fuelled by plasmonic oscillations - the lasing spaser [4].

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More information

Published date: December 2008
Additional Information: Invited paper
Venue - Dates: 4th National Workshop on Metamaterials and Special Materials for Electromagnetic Applications and TLC (MMSM'08), 2008-12-18 - 2008-12-19

Identifiers

Local EPrints ID: 65832
URI: https://eprints.soton.ac.uk/id/eprint/65832
PURE UUID: 4d6b47e7-290e-45ef-aa24-d8aa8c63fb1c
ORCID for N.I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

Catalogue record

Date deposited: 31 Mar 2009
Last modified: 27 Feb 2019 01:36

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Contributors

Author: V.A. Fedotov
Author: N.I. Zheludev ORCID iD

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