1. T. Tamir, Editor, “Integrated Optics”, Springer-Verlag, Berlin (1975); b) see Chapter 2 (Theory of dielectric waveguides).
2. R.G. Hunsperger, “Integrated Optics: theory and technology”, Springer-Verlag, Berlin (1982); b) see Chapter 6 (Waveguide input and output couplers).
3. H. Nishihara, M. Haruna and T. Suhara, “Optical integrated circuits”, McGraw-Hill, New York (1989).
4. M.A. Mentzer, “Principles of Optical Circuit Engineering”, Marcel Dekker, New York (1990).
5. S.I. Najafi, “Introduction to glass integrated optics”, Artech House, Norwood (1992).