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New Analytial Method of Rectangular Dielectric Waveguides and Applications to Coupled Waveguide Systems
Yuanmin CAI Tetsuya MIZUMOTO Yoshiyuki NAITO
IEICE TRANSACTIONS on Electronics
Publication Date: 1991/09/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on OFSET '90)
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A simple and practically accurate method for studying rectangular dielectric waveguides is proposed. This method can provide good evaluations of propagation constant and field distribution of the waveguides by analyzing improved equivalent guide models. In this paper, it is applied in studying a novel taper-formed waveguides system. The waveguides system was experimentally demonstrated of being advantageous in its lightwave transmission characteristics. Experimentally obtained results exhibited good agreement with the performances predicted by the system numerical analyses using the proposed waveguide study technique.