1. L. D. Hutcheson, Integrated Optical Circuits and Components (Marcel Dekker, New York, 1987).
2. A. W. Snyder and J. D. Love, Optical Waveguide Theory (Chapman and Hall, London, 1983; Radio i Svyaz’, Moscow, 1987).
3. A. I. Kleev, A. B. Manenkov, and A. G. Rozhnev, Radiotekh. Élektron. (Moscow) 38, 769 (1993).
4. K. S. Chiang, Opt. Quantum Electron. 26(3), S113 (1994).
5. V. V. Shevchenko, Izv. Vyssh. Uchebn. Zaved., Radiofiz. 15, 257 (1972).