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Surface polaritons with arbitrary magnetic and dielectric materials: new regimes, effects of negative index, and superconductors

A surface magnon-polariton can be excited by both p- and s-polarized light if at least one of the layers is a magnetic material. We present general expressions of the tangential wave vectors of s- and p-polarized light at an interface of two media. Analysis reveals additional new regimes of surface...

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Main Authors: Ooi, Chong Heng Raymond, Ogawa, T., Low, K.C., Higa, R.
Format: Article
Published: Optical Society of America 2012
Subjects:
QC Physics
Online Access:http://eprints.um.edu.my/7980/
https://doi.org/10.1364/JOSAB.29.002691
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spelling my.um.eprints.79802019-10-09T08:10:57Z http://eprints.um.edu.my/7980/ Surface polaritons with arbitrary magnetic and dielectric materials: new regimes, effects of negative index, and superconductors Ooi, Chong Heng Raymond Ogawa, T. Low, K.C. Higa, R. QC Physics A surface magnon-polariton can be excited by both p- and s-polarized light if at least one of the layers is a magnetic material. We present general expressions of the tangential wave vectors of s- and p-polarized light at an interface of two media. Analysis reveals additional new regimes of surface polariton resonances with magnetic materials for s- and p-polarized light. The tangential wave vectors are found to be equal in magnitude to the normal wave vectors at surface polariton resonances. The spatial distributions of the fields at resonant enhancement and the spectra of the tangential wave vectors are studied for different dielectric permittivities and magnetic permeabilities of the two media. If one of the media has dispersive dielectric function and permeability function, additional surface polariton resonance peaks appear for both s- and p polarizations. For a medium with a superconductor, the tangential component increases asymptotically at lower frequencies, providing subwavelength capability at the terahertz regime. (c) 2012 Optical Society of America Optical Society of America 2012 Article PeerReviewed Ooi, Chong Heng Raymond and Ogawa, T. and Low, K.C. and Higa, R. (2012) Surface polaritons with arbitrary magnetic and dielectric materials: new regimes, effects of negative index, and superconductors. Journal of the Optical Society of America B, 29 (10). pp. 2691-2697. ISSN 0740-3224 https://doi.org/10.1364/JOSAB.29.002691 doi:10.1364/JOSAB.29.002691
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic QC Physics
spellingShingle QC Physics
Ooi, Chong Heng Raymond
Ogawa, T.
Low, K.C.
Higa, R.
Surface polaritons with arbitrary magnetic and dielectric materials: new regimes, effects of negative index, and superconductors
description A surface magnon-polariton can be excited by both p- and s-polarized light if at least one of the layers is a magnetic material. We present general expressions of the tangential wave vectors of s- and p-polarized light at an interface of two media. Analysis reveals additional new regimes of surface polariton resonances with magnetic materials for s- and p-polarized light. The tangential wave vectors are found to be equal in magnitude to the normal wave vectors at surface polariton resonances. The spatial distributions of the fields at resonant enhancement and the spectra of the tangential wave vectors are studied for different dielectric permittivities and magnetic permeabilities of the two media. If one of the media has dispersive dielectric function and permeability function, additional surface polariton resonance peaks appear for both s- and p polarizations. For a medium with a superconductor, the tangential component increases asymptotically at lower frequencies, providing subwavelength capability at the terahertz regime. (c) 2012 Optical Society of America
format Article
author Ooi, Chong Heng Raymond
Ogawa, T.
Low, K.C.
Higa, R.
author_facet Ooi, Chong Heng Raymond
Ogawa, T.
Low, K.C.
Higa, R.
author_sort Ooi, Chong Heng Raymond
title Surface polaritons with arbitrary magnetic and dielectric materials: new regimes, effects of negative index, and superconductors
title_short Surface polaritons with arbitrary magnetic and dielectric materials: new regimes, effects of negative index, and superconductors
title_full Surface polaritons with arbitrary magnetic and dielectric materials: new regimes, effects of negative index, and superconductors
title_fullStr Surface polaritons with arbitrary magnetic and dielectric materials: new regimes, effects of negative index, and superconductors
title_full_unstemmed Surface polaritons with arbitrary magnetic and dielectric materials: new regimes, effects of negative index, and superconductors
title_sort surface polaritons with arbitrary magnetic and dielectric materials: new regimes, effects of negative index, and superconductors
publisher Optical Society of America
publishDate 2012
url http://eprints.um.edu.my/7980/
https://doi.org/10.1364/JOSAB.29.002691
_version_ 1648736113764859904
score 13.211869

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