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dc.contributor.authorPei, Ting-Hangen_US
dc.contributor.authorHuang, Yang-Tungen_US
dc.date.accessioned2014-12-08T15:28:30Z-
dc.date.available2014-12-08T15:28:30Z-
dc.date.issued2012-11-15en_US
dc.identifier.issn1041-1135en_US
dc.identifier.urihttp://dx.doi.org/10.1109/LPT.2012.2219616en_US
dc.identifier.urihttp://hdl.handle.net/11536/20614-
dc.description.abstractThe rotational invariance of the effective refractive index in the 2-D photonic crystal is discussed. It is proven that, in the case of the n-fold symmetrical omega-k equifrequency surface (EFS), there are two solutions that show the invariance of the effective refractive index after rotating a multiple of the basic repeated angle 2 pi/n within the first Brillouin zone. For the noncircular solution, the behavior of the effective refractive index N-eff(theta) at normal incidence shows that N-eff(0 degrees) has an additional constant of two in the very high symmetric EFS, higher than in the low symmetric case.en_US
dc.language.isoen_USen_US
dc.subjectEffective refractive indexen_US
dc.subjectphotonic crystalen_US
dc.titleRotational Invariance of the Effective Refractive Index in Photonic Crystalsen_US
dc.typeArticleen_US
dc.identifier.doi10.1109/LPT.2012.2219616en_US
dc.identifier.journalIEEE PHOTONICS TECHNOLOGY LETTERSen_US
dc.citation.volume24en_US
dc.citation.issue22en_US
dc.citation.spage2070en_US
dc.citation.epage2073en_US
dc.contributor.department材料科學與工程學系zh_TW
dc.contributor.department電子工程學系及電子研究所zh_TW
dc.contributor.departmentDepartment of Materials Science and Engineeringen_US
dc.contributor.departmentDepartment of Electronics Engineering and Institute of Electronicsen_US
dc.identifier.wosnumberWOS:000311361600013-
dc.citation.woscount0-
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