1. Kendall, P. C., P. W. A. McIlroy, and M. S. Stern, "Spectral index method for rib waveguide analysis," Electron. Lett., Vol. 25, 107-108, 1989.
doi:10.1049/el:19890079        Google Scholar

2. Kendall, P. C., P. W. A. McIlroy, and M. S. Stern, "Analysis of semiconductor rib waveguides: Spectral index method," IEE Colloquium on Integrated Optics, IEE Digest, 13/1-13/4, 1989/93.        Google Scholar

3. Mcllroy, P. W. A., M. S. Stern, and P. C. Kendall, "Fast and accurate method for calculation of polarized modes in semiconductor rib waveguides," Electron. Lett., Vol. 25, 1586-1587, 1989.
doi:10.1049/el:19891065        Google Scholar

4. Hewson-Browne, R. C. and P. C. Kendall, "Note on optoelectronic propagation using spectral index technique," Electron. Lett., Vol. 25, 1153-1154, 1989.
doi:10.1049/el:19890774        Google Scholar

5. Mcllroy, P. W. A., M. S. Stern, and P. C. Kendall, "Spectral index method for polarized modes in semiconductor rib waveguides," IEEE J. Lightwave Technol., Vol. 8, 113-117, 1990.
doi:10.1109/50.45937        Google Scholar

6. Stern, M. S., P. C. Kendall, and P. W. A. Mcllroy, "Analysis of the spectral index method for vector modes of rib waveguides," IEE Proc., Vol. 137, Pt. J, 21-26, 1990.        Google Scholar

7. Robson, P. N. and P. C. Kendall (Eds.), Rib Waveguide Theory by the Spectral Index Method, Research Studies Press and Wiley, 1990.

8. Vassallo, C. and Y. H. Wang, "A new semirigorous analysis of rib waveguides," IEEE J. Lightwave Technol., Vol. 8, 56-65, 1990.
doi:10.1109/50.45930        Google Scholar

9. Vassallo, C., Optical Waveguide Concepts, Elsevier, 1991.

10. Stern, M. S., "Semivectorial polarized finite difference method for optical waveguides with arbitrary index profiles," IEE Proc., Vol. 135, Pt. J, 56-63, 1988.        Google Scholar

11. Stern, M. S., "Semivectorial polarized H field solution for dielectric waveguides with arbitrary index profiles," IEE Proc., Vol. 135, Pt. J, 333-338, 1988.
doi:10.1049/ip-d.1988.0049        Google Scholar

12. Stern, M. S., "Rayleigh quotient solution of semivectorial field problems for optical waveguides with arbitrary index profiles," IEE Proc., Vol. 138, Pt. J, 185-190, 1991.
doi:10.1049/ip-d.1991.0026        Google Scholar

13. Rahman, B. M. A. and J. B. Davies, "Vector-H finite element solution of GaAs/GaAlAs rib waveguides," IEE Proc., Vol. 132, Pt. J, 349-353, 1986.        Google Scholar

14. Knox, R. M. and P. P. Toulios, "Integrated circuits for the millimeter through optical frequency range," Proc. of MRI Symposium on Submillimeter Waves, 497-518, Fox, J. (Ed.), Polytechnic Press, 1970.        Google Scholar

15. Kendall, P. C., M. J. Adams, S. Ritchie, and M. J. Robertson, "A theory for calculating approximate values for the propagation constants of an optical rib waveguide by weighting the refractive indices," IEE Proc., Vol. 134, Pt. A, 699-702, 1987.        Google Scholar

16. Burke, S. V., "Spectral index method applied to coupled rib waveguides," Electron. Lett., Vol. 25, 605-606, 1989.
doi:10.1049/el:19890411        Google Scholar

17. Burke, S. V., "Spectral index method applied to rib and strip-loaded directional couplers," IEE Proc., Vol. 137, Pt. J, 7-10, 1990.        Google Scholar

18. Burke, S. V., "Spectral index method applied to two nonidentical closely separated rib waveguides," IEE Proc., Vol. 137, Pt. J, 289-292, 1990.        Google Scholar

19. Burke, S. V., "Novel semianalytic rib/ridge semiconductor waveguide design including gain and loss," Electron. Lett., Vol. 28, 2280-2282, 1992.
doi:10.1049/el:19921467        Google Scholar

20. Burke, S. V., "Analysis of a novel rib waveguide wavelength filter by the spectral index method," Technical Digest on Integrated Photonics Research, Vol. 5, 86-87, 1990.        Google Scholar

21. Burke, S. V. and P. C. Kendall, "Analysis of a rib waveguide filter response with variable separation," Technical Digest on Integrated Photonics Research, Vol. 8, 117, 1991.        Google Scholar

22. Burke, S. V., P. C. Kendall, S. Ritchie, M. J. Robertson, and P. N. Robson, "Analysis of rib waveguide coupler filters," IEE Proc., Vol. 139, Pt. J, 59-65, 1992.        Google Scholar

23. Burke, S. V., M. J. Adarns, P. C. Kendall, P. N. Robson, and G. J. Rees, "Design of ridge waveguide couplers with carrier injection using the discrete spectral index method," Electron. Lett., Vol. 28, 841-843, 1992.
doi:10.1049/el:19920532        Google Scholar

24. Burke, S. V., M. J. Adams, P. C. Kendall, P. N. Robson, and G. J. Flees, "Application of the discrete spectral index method to the design of coupled ridge waveguides with carrier injection," Technical Digest on Integrated Photonics Research, Vol. 10, 170-171, 1992.        Google Scholar

25. Kendall, P. C., M. S. Stern, and P. N. Robson, "Discrete spectral index method for rib waveguide analysis," Optical and Quantum Electronics, Vol. 22, 555-560, 1990.
doi:10.1007/BF02189505        Google Scholar

26. Ramo, S., J. R. Whinnery, and T. Van Duzer, Fields and Waves in Communication Electronics, 2nd Ed., Wiley, 1984.

27. Press, W. H., B. P. Flannery, S. A. Teukolsky, and W. T. Vetterling, "Numerical Recipes: The Art of Scientific Computing," Cambridge University Press, 1992.        Google Scholar

28. Collin, R. E., Field Theoy of Guided Waves, 188-189, 2nd Ed., IEEE Press, 1991.

29. Wait, J. R., Electromagnetic Waves in Stratified Media, 2nd Ed., Pergamon Press, 1970.

30. 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, 336-342, 1985.        Google Scholar

31. Haus, H. A., Waves and Fields in Optoelectronics, Prentice-Hall, 1984.

32. Marcuse, D., Theoy of Dielectric Optical Waveguides, 2nd Edition, Academic Press, 1991.

33. Lagasse, P., et al., "COST-216 comparative study of eigenmode analysis methods for single and coupled integrated optical waveguides," IEE European Conference on Optical Communications, No. 292, 296-299, 1988.        Google Scholar

34. Working Group 1, COST 216 "Comparison of different modeling techniques for longitudinally invariant integrated optical waveguides," IEE Proc., Vol. Pt. J, 136, 273-280, 1989.        Google Scholar

35. Mao, M. and W. P. Huang, "Analysis of optical rib waveguides and couplers with buried guiding layer," IEEE J. Quantum Electron., Vol. 28, 176-183, 1992.
doi:10.1109/3.119512        Google Scholar

36. Albrecht, P., M. Harnacher, H. Heidrich, D. Hofhann, H. P. Nolting, and C. M. Weinert, "TE/TM mode splitters on InGaAsP/InP," IEEE Photon. Technol. Lett., Vol. 2, 114-115, 1990.
doi:10.1109/68.47064        Google Scholar

37. Buus, J., "The effective index method and its application to semiconductor lasers," IEEE J. Quantum. Electron., Vol. 18, 1083-1089, 1982.
doi:10.1109/JQE.1982.1071659        Google Scholar

38. Oksanen, M. I. and I. V. Lindell, "Complex-valued functionals in variational analysis of waveguides with impedance boundaries," IEE Proc., Vol. 136, Pt. H, 281-288, 1989.        Google Scholar

39. Chen, C. H. and Y. W. Kiang, "The variational formulation of physical problems and the associated numerical techniques," Research Topics in Electromagnetic Wave Theory, Kong, J. A., (Ed.), Wiley, 1981.        Google Scholar

40. Sharrna, E. K., M. P. Singh, and P. C. Kendall, "Exact multilayer waveguide design including absorbing or metal layers," Electron. Lett., Vol. 27, 408-410, 1991.
doi:10.1049/el:19910259        Google Scholar