Bragg waveguide grating as a 1d photonic band gap structure: COST 268 modelling task

被引：68

作者：

J. Čtyroký

S. Helfert

R. Pregla

P. Bienstman

R. Baets

R. De Ridder

R. Stoffer

G. Klaasse

J. PetráČek

P. Lalanne

J. P. Hugonin

R. M. De LaRue

机构：

[1] Institute of Radio Engineering and Electronics,Allgemeine und Theoretische Elektrotechnik

[2] FernUniversität,Department of Information Technology/IMEC

[3] Ghent University,MESA Research Institute

[4] University of Twente,Institute of Physical Engineering

[5] Brno University of Technology,Optoelectronics Research Group, Department of Electronics and Electrical Engineering

[6] Institut d’Optique Theorique et Appliquee/CNRS,undefined

[7] The University,undefined

来源：

Optical and Quantum Electronics | 2002年 / 34卷 / 5-6期

关键词：

optical waveguide modelling; photonic band gap structure; photonic crystal; waveguide grating;

D O I：

10.1007/BF02892610

中图分类号：

学科分类号：

摘要：

Modal reflection, transmission and loss of deeply etched Bragg waveguide gratings were modelled by six European laboratories using independently developed two-dimensional (2D) numerical codes based on four different methods, with very good mutual agreement. It was found that (rather weak) material dispersion of the SiO2/Si3N4 system does not significantly affect the results. The existence of lossless Floquet-Bloch modes in deeply etched gratings was confirmed. Based on reliable numerical results, the physical origin of out-of-plane losses of 1D or 2D photonic band gap structures in slab waveguides is briefly discussed.

引用

页码：455 / 470

页数：15

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