Tuning silicon-on-insulator ring resonators with in-plane switching liquid crystals

被引：22

作者：

De Cort, Wout ^{[1
,2
]}

Beeckman, Jeroen ^{[2
]}

James, Richard ^{[3
]}

Fernandez, F. Anibal ^{[3
]}

Baets, Roel ^{[1
]}

Neyts, Kristiaan ^{[2
]}

机构：

[1] Ghet Univ Imec, Dept Informat Technol, Photon Res Grp, Ghent, Belgium

[2] Univ Ghent, Dept Elect & Informat Syst, Liquid Crystals & Photon Grp, B-9000 Ghent, Belgium

[3] UCL, Dept Elect & Elect Engn, London WC1E 7JE, England

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2011年 / 28卷 / 01期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1364/JOSAB.28.000079

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We show that the resonance wavelength of silicon-on-insulator ring resonators can be tuned when a top cladding of liquid crystal is present. In-plane strip electrodes are used to generate an electric field that reorients the liquid crystal director in the plane parallel to the chip surface. This causes the resonance wavelength to shift toward longer wavelengths. The magnitude of this shift is about 1 nm, which is twice as large as previously reported shifts. The experimental results are verified extensively with our simulation tools, where a calculation of the director orientation is combined with a fully anisotropic mode solver. From this, we get a clear view of the mechanism behind the tuning. (C) 2010 Optical Society of America

引用

页码：79 / 85

页数：7

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