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dc.contributor.authorHuang, Chih-Hsienen_US
dc.contributor.authorLi, Wei-Shuoen_US
dc.contributor.authorWu, Jing-Nuoen_US
dc.contributor.authorHsieh, Wen-Fengen_US
dc.contributor.authorChang, Yia-Chungen_US
dc.date.accessioned2014-12-08T15:28:20Z-
dc.date.available2014-12-08T15:28:20Z-
dc.date.issued2012-09-01en_US
dc.identifier.issn0740-3224en_US
dc.identifier.urihttp://dx.doi.org/10.1364/JOSAB.29.002510en_US
dc.identifier.urihttp://hdl.handle.net/11536/20493-
dc.description.abstractWe propose a stabilization method to numerically calculate the dispersion relations and quality factors of optically confined finite structures. For the coupled resonator optical waveguide (CROW) made in a photonic-crystal slab (PCS) used as an example, the dispersion curve is normally not well defined due to the appearance of discontinuities, which do not occur in a two-dimensional CROW with infinite slab height. Therefore, there is less effort devoted to the calculation of quasi dispersion curves of the CROW in a slab. The dispersion relation of the PCS CROW can only be obtained by theoretical fitting to the experimental data under the tight-binding approximation. Here, we demonstrate the use of a stabilization method to calculate the quasi dispersion relation of a PCS CROW accurately. From the stabilization graph, we can calculate the quality factor for an eigenfrequency and properly choose the size of the simulation cell to avoid coupling the CROW modes with the unconfined modes and to accurately calculate the dispersion curve of the PCS CROW using the plane-wave expansion method. The proposed method and results not only provide important information for designing practical photonic devices such as slow-light optical waveguides and nonlinear photonic devices for the PCS CROWs but also can be applied to compute the quality factors and resonance frequencies of microcavities or nanocavities. (c) 2012 Optical Society of Americaen_US
dc.language.isoen_USen_US
dc.titleCalculation of quasi dispersion curves and quality factors of coupled resonator optical waveguides in photonic-crystal slabsen_US
dc.typeArticleen_US
dc.identifier.doi10.1364/JOSAB.29.002510en_US
dc.identifier.journalJOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICSen_US
dc.citation.volume29en_US
dc.citation.issue9en_US
dc.citation.spage2510en_US
dc.citation.epage2515en_US
dc.contributor.department光電工程學系zh_TW
dc.contributor.departmentDepartment of Photonicsen_US
dc.identifier.wosnumberWOS:000309588100035-
dc.citation.woscount1-
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