Technical memorandum: Beam propagation method applied to a step discontinuity in dielectric planar waveguides
作者:
L.R.Gomaa,
期刊:
IEE Proceedings H (Microwaves, Antennas and Propagation)
(IET Available online 1988)
卷期:
Volume 135,
issue 3
页码: 205-206
年代: 1988
DOI:10.1049/ip-h-2.1988.0041
出版商: IEE
数据来源: IET
摘要:
The powers transmitted and lost at an abrupt discontinuity in planar guides are calculated numerically using the beam propagation method (BPM) for the TE–modes. Discontinuities include changes in core thickness and refractive index. Symmetric and asymmetric waveguides are considered. Comparison of results with those obtained by other techniques shows a general agreement.
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