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Article: Systematic study of spontaneous emission in a two-dimensional arbitrary inhomogeneous environment

TitleSystematic study of spontaneous emission in a two-dimensional arbitrary inhomogeneous environment
Authors
KeywordsDispersion relations
Electric dyadic green's function
Excited atoms
Finite size effect
Finite-difference frequency-domain method
Issue Date2011
PublisherAmerican Physical Society. The Journal's web site is located at http://pra.aps.org
Citation
Physical Review A - Atomic, Molecular, And Optical Physics, 2011, v. 83 n. 4 How to Cite?
AbstractThe spontaneous emission (SE) of the excited atoms in a two-dimensional (2D) arbitrary inhomogeneous environment has been systematically studied. The local density of states, which determines the radiation dynamics of a point source (for 3D) or a line source (for 2D), in particular, the SE rate, is represented by the electric dyadic Green's function. The numerical solution of the electric Green's tensor has been accurately obtained with the finite-difference frequency-domain method with the proper approximations of the monopole and dipole sources. The SE of atoms in photonic crystal and plasmonic metal plates has been comprehensively and comparatively investigated. For both the photonic crystal and plasmonic plates systems, the SEs depend on their respective dispersion relations and could be modified by the finite-structure or finite-size effects. This work is important for SE engineering and the optimized design of optoelectronic devices. © 2011 American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/135127
ISSN
2014 Impact Factor: 2.808
2015 SCImago Journal Rankings: 1.418
ISI Accession Number ID
Funding AgencyGrant Number
Research Grant Council of the Hong Kong Special Administrative Region, China712108
711508
711609
Hong Kong UGCSEG HKU09
Funding Information:

The authors acknowledge the support of Grants No. 712108, No. 711508, and No. 711609 from the Research Grant Council of the Hong Kong Special Administrative Region, China. This project is also supported in part by a Hong Kong UGC Special Equipment Grant No. SEG HKU09.

References

 

DC FieldValueLanguage
dc.contributor.authorQiao, PFen_HK
dc.contributor.authorSha, WEIen_HK
dc.contributor.authorChoy, WCHen_HK
dc.contributor.authorChew, WCen_HK
dc.date.accessioned2011-07-27T01:28:35Z-
dc.date.available2011-07-27T01:28:35Z-
dc.date.issued2011en_HK
dc.identifier.citationPhysical Review A - Atomic, Molecular, And Optical Physics, 2011, v. 83 n. 4en_HK
dc.identifier.issn1050-2947en_HK
dc.identifier.urihttp://hdl.handle.net/10722/135127-
dc.description.abstractThe spontaneous emission (SE) of the excited atoms in a two-dimensional (2D) arbitrary inhomogeneous environment has been systematically studied. The local density of states, which determines the radiation dynamics of a point source (for 3D) or a line source (for 2D), in particular, the SE rate, is represented by the electric dyadic Green's function. The numerical solution of the electric Green's tensor has been accurately obtained with the finite-difference frequency-domain method with the proper approximations of the monopole and dipole sources. The SE of atoms in photonic crystal and plasmonic metal plates has been comprehensively and comparatively investigated. For both the photonic crystal and plasmonic plates systems, the SEs depend on their respective dispersion relations and could be modified by the finite-structure or finite-size effects. This work is important for SE engineering and the optimized design of optoelectronic devices. © 2011 American Physical Society.en_HK
dc.languageengen_US
dc.publisherAmerican Physical Society. The Journal's web site is located at http://pra.aps.orgen_HK
dc.relation.ispartofPhysical Review A - Atomic, Molecular, and Optical Physicsen_HK
dc.rightsPhysical Review A (Atomic, Molecular and Optical Physics). Copyright © American Physical Society.-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectDispersion relations-
dc.subjectElectric dyadic green's function-
dc.subjectExcited atoms-
dc.subjectFinite size effect-
dc.subjectFinite-difference frequency-domain method-
dc.titleSystematic study of spontaneous emission in a two-dimensional arbitrary inhomogeneous environmenten_HK
dc.typeArticleen_HK
dc.identifier.emailSha, WEI: shawei@hku.hken_HK
dc.identifier.emailChoy, WCH: chchoy@eee.hku.hken_HK
dc.identifier.emailChew, WC: wcchew@hku.hken_HK
dc.identifier.authoritySha, WEI=rp01605en_HK
dc.identifier.authorityChoy, WCH=rp00218en_HK
dc.identifier.authorityChew, WC=rp00656en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevA.83.043824en_HK
dc.identifier.scopuseid_2-s2.0-79960634981en_HK
dc.identifier.hkuros188402en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79960634981&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume83en_HK
dc.identifier.issue4en_HK
dc.identifier.spage043824en_US
dc.identifier.epage1en_US
dc.identifier.eissn1094-1622-
dc.identifier.isiWOS:000290104500007-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridQiao, PF=46062354000en_HK
dc.identifier.scopusauthoridSha, WEI=34267903200en_HK
dc.identifier.scopusauthoridChoy, WCH=7006202371en_HK
dc.identifier.scopusauthoridChew, WC=36014436300en_HK

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