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Proceedings Paper

Analysis of guided polarization modes in multimode rib waveguide by finite difference method
Author(s): ChaoJun Yan; Xiang Liu; Binghua Jiang; Junli Wan
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Paper Abstract

The multimode devices, which are also polarization-sensitive, have been widely used in modern optical communication system. In some cases, the modal properties, including the modal propagation constants and the modal fields of every order, must be given for the device design. The scalar finite difference beam propagation method (FD-BPM) is extended to solve this polarization-related problem. The different finite difference schemes corresponding to different polarized directions, which satisfy different boundary continual conditions, are formulized and the alternate directions implicit (ADI) FD-BPM were used to deal with the three dimensional (3D) waveguide. The guided modal properties of a 3D rib waveguide including the propagation constants and modal field distributions up to ten ranks were obtained and illustrated as an example.

Paper Details

Date Published: 9 February 2009
PDF: 7 pages
Proc. SPIE 7158, 2008 International Conference on Optical Instruments and Technology: Microelectronic and Optoelectronic Devices and Integration, 71581H (9 February 2009); doi: 10.1117/12.811954
Show Author Affiliations
ChaoJun Yan, Three Gorges Univ. (China)
Xiang Liu, Three Gorges Univ. (China)
Binghua Jiang, Three Gorges Univ. (China)
Junli Wan, Three Gorges Univ. (China)


Published in SPIE Proceedings Vol. 7158:
2008 International Conference on Optical Instruments and Technology: Microelectronic and Optoelectronic Devices and Integration
Xuping Zhang; Wojtek J. Bock; Xiaoyi Bao; Ping Shum, Editor(s)

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