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Article: Dispersion-guided resonances in two-dimensional photonic-crystal-embedded microcavities

TitleDispersion-guided resonances in two-dimensional photonic-crystal-embedded microcavities
Authors
KeywordsCrystals
Finite Difference Method
Microstructure
Resonance
Time Domain Analysis
Wavelength Division Multiplexing
Issue Date2004
PublisherOptical Society of America. The Journal's web site is located at http://www.opticsexpress.org
Citation
Optics Express, 2004, v. 12 n. 23, p. 5711-5722 How to Cite?
AbstractWe analyze dispersion-based guiding of resonances in two-dimensional (2-D) photonic-crystal-embedded microcavities (PCEMs) that comprise a finite-size square lattice of submicrometer air holes embedded in a high-index contrast square microcavity. Our 2-D finite-difference time-domain simulations of waveguide side-coupled PCEMs suggest high-Q quasi-periodic multimodes within the PC first band. The Q can increase by orders of magnitude as the mode frequency approaches the band-edge frequency or as the lattice dimension increases. By mapping the Fourier transform of the mode-field distributions onto the PC dispersion surface, we show that the modes k-vectors and group velocities are pointing near the ΓM direction. © 2004 Optical Society of America.
Persistent Identifierhttp://hdl.handle.net/10722/91331
ISSN
2015 Impact Factor: 3.148
2015 SCImago Journal Rankings: 2.186
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorTsia, KKen_HK
dc.contributor.authorPoon, AWen_HK
dc.date.accessioned2010-09-17T10:17:10Z-
dc.date.available2010-09-17T10:17:10Z-
dc.date.issued2004en_HK
dc.identifier.citationOptics Express, 2004, v. 12 n. 23, p. 5711-5722en_HK
dc.identifier.issn1094-4087en_HK
dc.identifier.urihttp://hdl.handle.net/10722/91331-
dc.description.abstractWe analyze dispersion-based guiding of resonances in two-dimensional (2-D) photonic-crystal-embedded microcavities (PCEMs) that comprise a finite-size square lattice of submicrometer air holes embedded in a high-index contrast square microcavity. Our 2-D finite-difference time-domain simulations of waveguide side-coupled PCEMs suggest high-Q quasi-periodic multimodes within the PC first band. The Q can increase by orders of magnitude as the mode frequency approaches the band-edge frequency or as the lattice dimension increases. By mapping the Fourier transform of the mode-field distributions onto the PC dispersion surface, we show that the modes k-vectors and group velocities are pointing near the ΓM direction. © 2004 Optical Society of America.en_HK
dc.languageengen_HK
dc.publisherOptical Society of America. The Journal's web site is located at http://www.opticsexpress.orgen_HK
dc.relation.ispartofOptics Expressen_HK
dc.subjectCrystalsen_HK
dc.subjectFinite Difference Methoden_HK
dc.subjectMicrostructureen_HK
dc.subjectResonanceen_HK
dc.subjectTime Domain Analysisen_HK
dc.subjectWavelength Division Multiplexingen_HK
dc.titleDispersion-guided resonances in two-dimensional photonic-crystal-embedded microcavitiesen_HK
dc.typeArticleen_HK
dc.identifier.emailTsia, KK:tsia@hku.hken_HK
dc.identifier.authorityTsia, KK=rp01389en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1364/OPEX.12.005711en_HK
dc.identifier.scopuseid_2-s2.0-10444275663en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-10444275663&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume12en_HK
dc.identifier.issue23en_HK
dc.identifier.spage5711en_HK
dc.identifier.epage5722en_HK
dc.identifier.isiWOS:000225228200016-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridTsia, KK=6506659574en_HK
dc.identifier.scopusauthoridPoon, AW=7103068889en_HK

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