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Proceedings Paper

The use of 2D and 3D WA-BPM models to analyze total-internal-reflection-based integrated optical switches
Author(s): Pengfei Wang; Gilberto Brambilla; Yuliya Semenova; Qiang Wu; Jie Zheng; Gerald Farrell
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Paper Abstract

The well known beam propagation method (BPM) has become one of the most useful, robust and effective numerical simulation tools for the investigation of guided-wave optics, for example integrated optical waveguides and fiber optic devices. In this paper we examine the use of the 2D and 3D wide angle-beam propagation method (WA-BPM) combined with the well known perfectly matched layer (PML) boundary conditions as a tool to analyze TIR based optical switches, in particular the relationship between light propagation and the geometrical parameters of a TIR based optical switch. To analyze the influence of the length and the width of the region in which the refractive index can be externally controlled, the 3D structure of a 2x2 TIR optical switch is firstly considered in 2D using the effective index method (EIM). Then the influence of the etching depth and the tilt angle of the reflection facet on the switch performance are investigated with a 3D model.

Paper Details

Date Published: 8 September 2011
PDF: 8 pages
Proc. SPIE 8191, International Symposium on Photoelectronic Detection and Imaging 2011: Sensor and Micromachined Optical Device Technologies, 81910I (8 September 2011); doi: 10.1117/12.899312
Show Author Affiliations
Pengfei Wang, Univ. of Southampton (United Kingdom)
Dublin Institute of Technology (Ireland)
Gilberto Brambilla, Univ. of Southampton (United Kingdom)
Yuliya Semenova, Dublin Institute of Technology (Ireland)
Qiang Wu, Dublin Institute of Technology (Ireland)
Jie Zheng, Jilin Univ. (China)
Gerald Farrell, Dublin Institute of Technology (Ireland)


Published in SPIE Proceedings Vol. 8191:
International Symposium on Photoelectronic Detection and Imaging 2011: Sensor and Micromachined Optical Device Technologies
Yuelin Wang; Huikai Xie; Yufeng Jin, Editor(s)

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