1. G.P. Agrawal, Nonlinear Fiber Optics. Academic Press: New York (1989).
2. A. YarivQuantum Electronics., 3rdedn, John Wiley, New York (1989).
3. M. Schubert and B. WilhelmiNonlinear Optics and Quantum Electronics., John Wiley, New York (1986).
4. E. Iannone, F. Matera, A. Mecozzi, and M. SettembreNonlinear Optical Communication Systems.,John Wiley, New York (1998).
5. A.R. Chraplyvy, Limitations on lightwave communications imposed by optical-fiber nonlinearitiesIEEE/OSA J. Lightwave Technol..8., 1548–1557 (1990).