Optical waveguide grating couplers: 2nd-order and 4th-order finite-difference time-domain analysis

Papadopoulos, AD; Glytsis, EN

dc.contributor.author	Papadopoulos, AD	en
dc.contributor.author	Glytsis, EN	en
dc.date.accessioned	2014-03-01T01:31:35Z
dc.date.available	2014-03-01T01:31:35Z
dc.date.issued	2009	en
dc.identifier.issn	0003-6935	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/19836
dc.subject.classification	Optics	en
dc.subject.other	Finite difference time domain analysis	en
dc.subject.other	Leaky modes	en
dc.subject.other	Regularization technique	en
dc.subject.other	Surface-relief grating couplers	en
dc.subject.other	TM polarization	en
dc.subject.other	Wave analysis	en
dc.subject.other	Computational efficiency	en
dc.subject.other	Integrated optoelectronics	en
dc.subject.other	Method of moments	en
dc.subject.other	Optical waveguides	en
dc.subject.other	Waveguides	en
dc.subject.other	Finite difference time domain method	en
dc.title	Optical waveguide grating couplers: 2nd-order and 4th-order finite-difference time-domain analysis	en
heal.type	journalArticle	en
heal.identifier.primary	10.1364/AO.48.005164	en
heal.identifier.secondary	http://dx.doi.org/10.1364/AO.48.005164	en
heal.language	English	en
heal.publicationDate	2009	en
heal.abstract	Output optical waveguide grating couplers are rigorously analyzed using the 2-order and the 4-order finite-difference time-domain (FDTD) method in conjunction with the total field/scattered field (TF-SF) approach and special averaging and regularization techniques for the mitigation of permittivity discontinuities. Volume-holographic and surface-relief grating couplers are analyzed for both TE and TM polarizations. The 2- and 4-order FDTD results are compared in terms of computational efficiency and accuracy. In addition, the FDTD results are compared to the approximate ones obtained by the rigorous coupled-wave analysis in conjunction with the leaky modes. (C) 2009 Optical Society of America	en
heal.publisher	OPTICAL SOC AMER	en
heal.journalName	Applied Optics	en
dc.identifier.doi	10.1364/AO.48.005164	en
dc.identifier.isi	ISI:000270117900022	en
dc.identifier.volume	48	en
dc.identifier.issue	27	en
dc.identifier.spage	5164	en
dc.identifier.epage	5175	en