Perspective: Photonic flatbands

Perspective: Photonic flatbands

Flatbands are receiving increasing theoretical and experimental attention in the field of photonics, in particular in the field of photonic lattices. Flatband photonic lattices consist of arrays of coupled waveguides or resonators where the peculiar lattice geometry results in at least one completel...

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Main Authors: Daniel Leykam, Sergej Flach
Format: Article
Language:English
Published: AIP Publishing LLC 2018-07-01
Series:APL Photonics
Online Access:http://dx.doi.org/10.1063/1.5034365
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spelling doaj-1cfa7183343c4642aff5a54baac0a42a2020-11-25T00:59:19ZengAIP Publishing LLCAPL Photonics2378-09672018-07-0137070901070901-1610.1063/1.5034365006806APPPerspective: Photonic flatbandsDaniel Leykam0Sergej Flach1Center for Theoretical Physics of Complex Systems, Institute for Basic Science (IBS), Daejeon 34126, South KoreaCenter for Theoretical Physics of Complex Systems, Institute for Basic Science (IBS), Daejeon 34126, South KoreaFlatbands are receiving increasing theoretical and experimental attention in the field of photonics, in particular in the field of photonic lattices. Flatband photonic lattices consist of arrays of coupled waveguides or resonators where the peculiar lattice geometry results in at least one completely flat or dispersionless band in its photonic band structure. Although bearing a strong resemblance to structural slow light, this independent research direction is instead inspired by analogies with “frustrated” condensed matter systems. In this Perspective, we critically analyze the research carried out to date, discuss how this exotic physics may lead to novel photonic device applications, and chart promising future directions in theory and experiment.http://dx.doi.org/10.1063/1.5034365
collection DOAJ
language English
format Article
sources DOAJ
author Daniel Leykam
Sergej Flach
spellingShingle Daniel Leykam
Sergej Flach
Perspective: Photonic flatbands
APL Photonics
author_facet Daniel Leykam
Sergej Flach
author_sort Daniel Leykam
title Perspective: Photonic flatbands
title_short Perspective: Photonic flatbands
title_full Perspective: Photonic flatbands
title_fullStr Perspective: Photonic flatbands
title_full_unstemmed Perspective: Photonic flatbands
title_sort perspective: photonic flatbands
publisher AIP Publishing LLC
series APL Photonics
issn 2378-0967
publishDate 2018-07-01
description Flatbands are receiving increasing theoretical and experimental attention in the field of photonics, in particular in the field of photonic lattices. Flatband photonic lattices consist of arrays of coupled waveguides or resonators where the peculiar lattice geometry results in at least one completely flat or dispersionless band in its photonic band structure. Although bearing a strong resemblance to structural slow light, this independent research direction is instead inspired by analogies with “frustrated” condensed matter systems. In this Perspective, we critically analyze the research carried out to date, discuss how this exotic physics may lead to novel photonic device applications, and chart promising future directions in theory and experiment.
url http://dx.doi.org/10.1063/1.5034365
work_keys_str_mv AT danielleykam perspectivephotonicflatbands
AT sergejflach perspectivephotonicflatbands
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