The use of 2D and 3D WA-BPM models to analyze total-internal-reflection-based integrated optical switches

Wang, Yuelin, Wang, Pengfei, Brambilla, Gilberto, Semenova, Yuliya, Wu, Qiang, Zheng, Jie and Farrell, Gerald (2011) The use of 2D and 3D WA-BPM models to analyze total-internal-reflection-based integrated optical switches. Proceedings of SPIE, 8191. 81910I. ISSN 0277-786X

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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.

Item Type:	Article
Subjects:	H600 Electronic and Electrical Engineering
Department:	Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User:	Ay Okpokam
Date Deposited:	11 Jun 2015 13:58
Last Modified:	12 Oct 2019 19:07
URI:	http://nrl.northumbria.ac.uk/id/eprint/22861

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