Abstract
A method of integral equation is stated and applied in the analysis of the characteristic and noncharacteristic modes in 3D weak-guiding inhomogeneous optical waveguides. The dispersion curves for the modes of diffused channel waveguides are studied near the critical conditions in absorbing media. The accuracy of recovering the permittivity profile in a channel waveguide from the far-field radiation of the fundamental mode is estimated.
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Translated from Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 72, No. 12, 2002, pp. 1–8.
Original Russian Text Copyright © 2002 by Sotskaya, Sotskii.
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Sotskaya, L.I., Sotskii, A.B. Method of integral equation in the theory of weak-guiding inhomogeneous optical waveguides. Tech. Phys. 47, 1487–1494 (2002). https://doi.org/10.1134/1.1529936
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DOI: https://doi.org/10.1134/1.1529936