An efficient and powerful technique has been developed to treat the problem of wave propagation along arbitrarily shaped single-mode dielectric waveguides with inhomogeneous index variations in the cross-sectional plane. This technique is based on a modified finite-element method. Illustrative examples were given for the following guides: (a) the triangular fiber guide; (b) the elliptical fiber guide; (c) the single material fiber guide; (d) the rectangular fiber guide; (e) the embossed integrated optics guide; (f) the diffused channel guide; (g) the optical stripline guide.
© 1979 Optical Society of America
Original Manuscript: September 14, 1978
Published: May 15, 1979
C. Yeh, K. Ha, S. B. Dong, and W. P. Brown, "Single-mode optical waveguides," Appl. Opt. 18, 1490-1504 (1979)