Phonon-mediated magnetic polaritons in the infrared region

Liping Wang, Z. M. Zhang

Research output: Contribution to journalArticle

76 Citations (Scopus)

Abstract

Magnetic polaritons that couple electromagnetic waves with magnetic excitation can be used for tailoring the radiative properties of materials in energy-harvesting and other applications. Previous studies used metallic microstructures to induce magnetic responses. With rigorous coupled-wave analysis (RCWA), transmission enhancement with a SiC slit array and coherent thermal emission with a SiC deep grating is theoretically demonstrated in the infrared within the phonon absorption band. The field distributions and the agreement in the resonance frequencies predicted from both RCWA and LC circuit models strongly suggest that magnetic polaritons exist in the SiC microstructures. This type of magnetic polariton is mediated by vibration of atoms in polar materials (i.e., optical phonons), rather than by free electrons in metals. Our results suggest that phonon-mediated magnetic polaritons have promising applications such as filters and selective coherent emitters in the infrared spectral region.

Original languageEnglish (US)
JournalOptics Express
Volume19
Issue numberSUPPL. 2
DOIs
StatePublished - Mar 14 2011
Externally publishedYes

Fingerprint

polaritons
LC circuits
microstructure
optical materials
thermal emission
free electrons
slits
electromagnetic radiation
emitters
phonons
gratings
absorption spectra
filters
vibration
augmentation
metals
excitation
atoms
energy

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Phonon-mediated magnetic polaritons in the infrared region. / Wang, Liping; Zhang, Z. M.

In: Optics Express, Vol. 19, No. SUPPL. 2, 14.03.2011.

Research output: Contribution to journalArticle

@article{0c1d2585448b4c20bc5b43b0662e1c26,
title = "Phonon-mediated magnetic polaritons in the infrared region",
abstract = "Magnetic polaritons that couple electromagnetic waves with magnetic excitation can be used for tailoring the radiative properties of materials in energy-harvesting and other applications. Previous studies used metallic microstructures to induce magnetic responses. With rigorous coupled-wave analysis (RCWA), transmission enhancement with a SiC slit array and coherent thermal emission with a SiC deep grating is theoretically demonstrated in the infrared within the phonon absorption band. The field distributions and the agreement in the resonance frequencies predicted from both RCWA and LC circuit models strongly suggest that magnetic polaritons exist in the SiC microstructures. This type of magnetic polariton is mediated by vibration of atoms in polar materials (i.e., optical phonons), rather than by free electrons in metals. Our results suggest that phonon-mediated magnetic polaritons have promising applications such as filters and selective coherent emitters in the infrared spectral region.",
author = "Liping Wang and Zhang, {Z. M.}",
year = "2011",
month = "3",
day = "14",
doi = "10.1364/OE.19.00A126",
language = "English (US)",
volume = "19",
journal = "Optics Express",
issn = "1094-4087",
publisher = "The Optical Society",
number = "SUPPL. 2",

}

TY - JOUR

T1 - Phonon-mediated magnetic polaritons in the infrared region

AU - Wang, Liping

AU - Zhang, Z. M.

PY - 2011/3/14

Y1 - 2011/3/14

N2 - Magnetic polaritons that couple electromagnetic waves with magnetic excitation can be used for tailoring the radiative properties of materials in energy-harvesting and other applications. Previous studies used metallic microstructures to induce magnetic responses. With rigorous coupled-wave analysis (RCWA), transmission enhancement with a SiC slit array and coherent thermal emission with a SiC deep grating is theoretically demonstrated in the infrared within the phonon absorption band. The field distributions and the agreement in the resonance frequencies predicted from both RCWA and LC circuit models strongly suggest that magnetic polaritons exist in the SiC microstructures. This type of magnetic polariton is mediated by vibration of atoms in polar materials (i.e., optical phonons), rather than by free electrons in metals. Our results suggest that phonon-mediated magnetic polaritons have promising applications such as filters and selective coherent emitters in the infrared spectral region.

AB - Magnetic polaritons that couple electromagnetic waves with magnetic excitation can be used for tailoring the radiative properties of materials in energy-harvesting and other applications. Previous studies used metallic microstructures to induce magnetic responses. With rigorous coupled-wave analysis (RCWA), transmission enhancement with a SiC slit array and coherent thermal emission with a SiC deep grating is theoretically demonstrated in the infrared within the phonon absorption band. The field distributions and the agreement in the resonance frequencies predicted from both RCWA and LC circuit models strongly suggest that magnetic polaritons exist in the SiC microstructures. This type of magnetic polariton is mediated by vibration of atoms in polar materials (i.e., optical phonons), rather than by free electrons in metals. Our results suggest that phonon-mediated magnetic polaritons have promising applications such as filters and selective coherent emitters in the infrared spectral region.

UR - http://www.scopus.com/inward/record.url?scp=80053226845&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=80053226845&partnerID=8YFLogxK

U2 - 10.1364/OE.19.00A126

DO - 10.1364/OE.19.00A126

M3 - Article

C2 - 21445214

AN - SCOPUS:80053226845

VL - 19

JO - Optics Express

JF - Optics Express

SN - 1094-4087

IS - SUPPL. 2

ER -