Efficient finite-element-based numerical modelling of large sub-wavelength patterned optical structures

被引：0

作者：

Hammerschmidt, Martin ^{[1
,2
]}

Pabisiak, Jakub ^{[2
,3
]}

Perez-Gea, Ana Cristina ^{[2
,4
]}

Julian, Nicholas ^{[2
,5
]}

Hon, Sean ^{[2
,6
]}

Burger, Sven ^{[1
,2
]}

机构：

[1] JCMwave GmbH, D-14050 Berlin, Germany

[2] ZIB, Takustr 7, D-14195 Berlin, Germany

[3] Wroclaw Univ Technol & Sci, PL-50370 Wroclaw, Poland

[4] NYU, New York, NY 10003 USA

[5] Univ Calif Los Angeles, Los Angeles, CA 90095 USA

[6] Univ Oxford, Oxford OX2 6GG, England

来源：

HIGH CONTRAST METASTRUCTURES VII | 2018年 / 10542卷

关键词：

cavity resonator integrated grating filter; finite element method; rigorous optical modeling; electromagnetic field solver; RESONANCE FILTER;

D O I：

10.1117/12.2292438

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Sub-wavelength patterned structures like cavity resonator integrated grating filters are relevant in various optical applications. Due to their highly resonant nature and due to their relatively large size it can be demanding to perform accurate optical simulations for such devices. In this contribution we investigate performance of hp finite-element based methods for this simulation problem. We demonstrate numerical convergence of the obtained solutions up to very high accuracy levels. We compare performance of our methods to results from the literature and investigate the influence of physical parameters on device performance, enhancing the Q-factor and reducing the horizontal size of the device.

引用

页数：7

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