Propagation constant of a planar dielectric waveguide with arbitrary refractive-index variation
Optics Letters, Vol. 18, Issue 10, pp. 805-807 (1993)
http://dx.doi.org/10.1364/OL.18.000805
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Abstract
The calculation of a propagation constant is an interesting problem in the study of planar waveguides. We present a new method for solving the problem of a planar dielectric waveguide with arbitrary refractive-index variation for either TE or TM modes, and this method is simpler than other methods. Taking a parabolic refractive-index profile as an example, we show that high accuracy can be attained with this new method, provided that the waveguide is divided into layers of proper number and thickness.
© 1993 Optical Society of America
Citation
Xu Wang, Zi-hua Wang, and Zhao-ming Huang, "Propagation constant of a planar dielectric waveguide with arbitrary refractive-index variation," Opt. Lett. 18, 805-807 (1993)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-18-10-805
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