A Novel Approach to Study Wave Characteristics of Multimode Interference Coupler: Polarized TE Mode

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题名:	A Novel Approach to Study Wave Characteristics of Multimode Interference Coupler: Polarized TE Mode
作者:	C.S.Hsiao
关键词:	Fourier cosine series;matrix method;index profile;optical waveguides
日期:	2003
上传时间:	2010-05-12 01:11:52 (UTC+0)
出版者:	Asia University
摘要:	In this paper, we propose a new method to study wave propagation in Longitudinally invariant waveguides with arbitrary index profile. In our method, we keep, in the wave equation, the second order derivative of transverse wave field with respect to the propagation direction, which is usually neglected in paraxial approximation utilized in many cases. An explicit expression for the wave field at any longitudinal position along an optical waveguide is derived, thus excluding the use of beam propagation algorithm for computation. This study has demonstrated that our approach yields the same results as those by using a commercial software in which a beam propagation method with Pade' approximation is used.
關聯:	Hsiuping Institute of Technology Journal 7:167-174
显示于类别:	[光電與通訊學系] 期刊論文

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