A comparison between different propagative schemes for the simulation of tapered step index slab waveguides

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Haes, Jan and Baets, Roel and Weinert, C.M. and Gravert, M. and Nolting, H.P. and Andrade, M. Adelaide and Leite, A. and Bissessur, Hans K. and Davies, J.B. and Ettinger, Robert D. and Ctyroky, Jiri and Ducloux, E. and Ratovelomanana, F. and Vodjdani, N. and Helfert, Stefan and Pregla, Reinholt and Wijnands, F.H.G.M. and Hoekstra, H.J.W.M. and Krijnen, G.J.M. (1996) A comparison between different propagative schemes for the simulation of tapered step index slab waveguides. Journal of Lightwave Technology, 14 (6). pp. 1557-1569. ISSN 0733-8724

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Abstract:The performance and accuracy of a number of propagative algorithms are compared for the simulation of tapered high contrast step index slab waveguides. The considered methods include paraxial as well as nonparaxial formulations of optical field propagation. In particular attention is paid to the validity of the paraxial approximation. To test the internal consistency of the various methods the property of reciprocity is verified and it is shown that for the paraxial algorithms the reciprocity can only be fulfilled if the paraxial approximation of the power flux expression using the Poynting vector is considered. Finally, modeling results are compared with measured fiber coupling losses for an experimentally realized taper structure.
Item Type:Article
Copyright:© 1996 IEEE
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/65029
Official URL:http://dx.doi.org/10.1109/50.511687
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Metis ID: 111529