1. Knox, M. R. and P. P. Toulios, Proceedings of the Symposium on Submillimeter Waves, 497, New York, 1970.
2. Feit, M. D., J. A. Fleck, and Jr., "Light propagation in graded index optical fibers," Appl. Opt., Vol. 17, No. 24, 3990-3998, Sept. 15, 1978.
doi:10.1364/AO.17.003990 Google Scholar
3. Chung, Y. and N. Dagli, "An assessment of finite difference beam propagation method," IEEE J. Quantum Electron., Vol. 26, No. 8, 1335-1339, Aug. 1990.
doi:10.1109/3.59679 Google Scholar
4. Robertson, M. J., S. Ritchie, and P. Dayan, "Semiconductor waveguides: Analysis of optical propagation in single rib structures and directional couplers," IEE Proc., Vol. 132, pt. J, No. 6, December 1985. Google Scholar
5. Rozzi, T. E. and G. H. Intveld, "Field and network analysis of interacting step discontinuities in planar dielectric waveguides," IEEE Trans. Microwave Theory Tech., Vol. 27, 303-309, Apr. 1979.
doi:10.1109/TMTT.1979.1129620 Google Scholar
6. Koshiba, M. and M. Suzuki, "Vectoral wave analysis of dielectric waveguides for optical integrated circuits using equivalent network approach," J. Lightwave Technol., Vol. 4, 656-664, June 1986.
doi:10.1109/JLT.1986.1074768 Google Scholar
7. Peng, S. T. and A. A. Oliner, "Guidance and leakage properties of a class of open dielectric waveguides: Part I," IEEE Trans. Microwave Theory Tech., Vol. 29, 843-855, Sept. 1981.
doi:10.1109/TMTT.1981.1130465 Google Scholar
8. Dagli, N., "Equivalent circuit representation of open guided-wave structure," IEEE J. Quantum Electron., Vol. 26, 98-108, Jan. 1990.
doi:10.1109/3.44922 Google Scholar
9. Yariv, A., Introduction to Optical Electronics, 2nd Ed., 356, Holt, Rinehart and Winston, 1976.
10. Mittra, R., Y. L. Hou, and V. Jamnejad, "Analysis of open dielectric waveguides using mode matching technique and variational methods," IEEE Trans. Microwave Theory Tech., Vol. 28, 36-43, Jan. 1980.
doi:10.1109/TMTT.1980.1130003 Google Scholar
11. Koshiba, M. and M. Suzuki, "Vectoral wave analysis of optical waveguides with rectangular cross section using equivalent network approach," Electron. Lett., Vol. 18, 473-475, Sept. 15, 1985. Google Scholar
12. Dagli, N. and C. G. Fonstad, "Universal design curves for rib waveguides," J. Lightwave Technol., Vol. 6, 1136-1145, "Special Issue on Integrated Optics," June 1988.
doi:10.1109/50.4106 Google Scholar
13. Collin, R. E., Field Theory of Guided Waves, Chapter 8, McGraw- Hill, 1960.
14. Dagli, N. and C. G. Fonstad, "Microwave equivalent circuit representation of rectangular dielectric waveguides," Appl. Phys. Lett., Vol. 49, No. 6, 308-310, Aug. 11, 1986.
doi:10.1063/1.97151 Google Scholar
15. Dagli, N. and C. G. Fonstad, "Analysis of rib dielectric waveguides," IEEE J. Quantum Electron., Vol. 21, 315-321, Apr. 1985.
doi:10.1109/JQE.1985.1072651 Google Scholar
16. Goell, J. E., "A circular harmonic computer analysis of rectangular dielectric waveguides," Bell Syst. Tech. J., Vol. 48, No. 9, 2133-2160, Sept. 1969.
doi:10.1002/j.1538-7305.1969.tb01168.x Google Scholar
17. Johnson, L. M., "Low loss GaInAsP buried heterostructure optical waveguide branches and bends," Appl. Phys. Lett., Vol. 44, 278-280, Feb. 1, 1984. Google Scholar
18. Liau, Z. L. and J. N. Walpole, "A novel technique for GaInAsP/InP buried heterostructure laser fabrication," Appl. Phys. Lett., Vol. 40, 568-570, Apr. 1, 1982. Google Scholar
19. Dagli, N. and C. G. Fonstad, "Analysis of rib waveguides with sloped rib sides," Appl. Phys. Lett., Vol. 46, No. 6, 529-531, Mar. 15, 1985.
doi:10.1063/1.95581 Google Scholar
20. Pelossi, P. M., P. Vandenbulcke, C, D. Wilkinson, and R. M. De-LaRue, "Propagation characteristics of trapezoidal cross section ridge optical waveguides: An experimental and theoretical investigation," Appl. Opt., Vol. 17, No. 8, 1187-1193, Apr. 15, 1978.
doi:10.1364/AO.17.001187 Google Scholar
21. Dagli, N. and C. G. Fonstad, "Theoretical and experimental study of analysis and modeling of integrated optical components," IEEE J. Quantum Electron., Vol. 24, 2215-2228, Nov. 1988. Google Scholar