Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/100369
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dc.contributor.authorJiang, Liyong.en
dc.contributor.authorWu, Hong.en
dc.contributor.authorLi, Xiangyin.en
dc.date.accessioned2014-01-20T03:23:21Zen
dc.date.accessioned2019-12-06T20:21:18Z-
dc.date.available2014-01-20T03:23:21Zen
dc.date.available2019-12-06T20:21:18Z-
dc.date.copyright2013en
dc.date.issued2013en
dc.identifier.citationJiang, L., Wu, H., & Li, X. (2013). Polarization-insensitive self-collimation and beam splitter based on triangular-lattice annular photonic crystals. Journal of the Optical Society of America B, 30(5), 1248-1255.en
dc.identifier.urihttps://hdl.handle.net/10356/100369-
dc.description.abstractThis paper systematically investigates the self-collimation behavior in silicon-based triangular-lattice annular photonic crystals (PCs). It is found that, in comparison with normal air-hole PCs, annular PCs more easily suppress the separation between TE-2 and TM-2 bands along the Γ-M direction by increasing the inner radius of annular air rings. Such a feature is quite beneficial in the formation of a flat equi-frequency contour for both polarizations at the same frequency, which means a polarization-insensitive self-collimation (PISC) effect. Further analysis has shown that, to support PISC, the minimum ratio between the inner and outer radii of annular air rings will gradually increase as the outer radius changes from 0.25a to 0.49a. When the ratio is fixed, the annular air rings with larger outer radius will provide wider common frequency area to realize PISC. We have also investigated the transmission feature for different annular PCs and chosen an optimal structure to illustrate the PISC effect. Finally, a polarization beam splitter has been proposed and demonstrated based on the unique PISC and band-gap feature in triangular-lattice annular PCs.en
dc.language.isoenen
dc.relation.ispartofseriesJournal of the optical society of America Ben
dc.rights© 2013 Optical Society of America. This paper was published in Journal of the Optical Society of America B and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI: [http://dx.doi.org/10.1364/JOSAB.30.001248]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.en
dc.subjectDRNTU::Science::Physics::Optics and lighten
dc.titlePolarization-insensitive self-collimation and beam splitter based on triangular-lattice annular photonic crystalsen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen
dc.identifier.doi10.1364/JOSAB.30.001248en
dc.description.versionPublished versionen
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