[1] K. H. Schlereth, M. Tacke. The complex propagation constant of multilayer waveguides: an algo-rithm for a personal computer. IEEE J. Quant. Electron., 1990, QE-26(4): 627～630

[2] C. A. Hulse, A. Knoesen. Iterative calculation of complex propagation constants of modes in multilayer planar waveguides. IEEE J. Quant. Electron., 1992, QE-28(12): 2682～2684

[3] T. D. Visser, H. Blok, D. Lenstra. Modal analysis of a planar waveguide with gain and losses. IEEE J. Quant. Electron., 1995, QE-31(10): 1803～1810

[5] Shou Xian She. Metal-clad multilayer dielectric waveguides: accurate perturbation analysis. J. Opt. Soc. Am. (A), 1990, 7(9): 1577～1585

[6] Shou Xian She. Characteristics analysis of metal-clad and absorptive dielective waveguides by a simple and accurate perturbation method. Opt. & Quantm Electron., 1991, 23: 1045～1054

[8] M. J. Adams. An Introductionto Optical Waveguides. New York: John Wiley & Sons, 1981, Chapter.4

[9] Shou Xian She. Accurate perturbation analysis of metal-clad and absorptive multilayer dielectric waveguides in near cutoff. Opt. Commun., 1997, 135: 241～246