Properties, applications and fabrication of photonic crystals with ring-shaped holes in silicon-on-insulator

被引：27
作者：
Saynatjoki, A. [1 ]
Mulot, M. [1 ,2 ]
Vynck, K. [3 ]
Cassagne, D. [3 ]
Ahopelto, J. [2 ]
Lipsanen, H. [1 ]
机构：
[1] Helsinki Univ Technol, TKK, Micro & Nanosci Lab, FIN-02015 Espoo, Finland
[2] VIT Informat Technol, FIN-02044 Vit, Finland
[3] Univ Montpellier 2, CNRS, UMR 5650, Etud Semicond Grp, F-34095 Montpellier, France
来源：
PHOTONICS AND NANOSTRUCTURES-FUNDAMENTALS AND APPLICATIONS | 2008年 / 6卷 / 01期
基金：
芬兰科学院;
关键词：
guided waves; integrated optics materials; optical systems design; waveguides; photonic integrated circuits; dispersion; photonic crystals;
D O I：
10.1016/j.photonics.2007.09.001
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We show that photonic crystals with ring-shaped holes (RPhCs) exhibit superior properties compared to conventional photonic crystals (PhCs). At low air-fill factors RPhCs can have a larger bandgap than conventional PhCs. Moreover, RPhC waveguides with both high group index and small group velocity dispersion can be designed. RPhC waveguides are also more sensitive to external refractive index changes, which is attractive for sensor applications. Finally we set up a procedure to pattern RPhCs in silicon-on-insulator. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：42 / 46
页数：5
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