1. Bloembergen N.,Nonlinear Optics (Addison-Wesley, Reading, Mass.) 1991;Encounters in Nonlinear Optics: selected Papers of Nicolaas Bloembergen, edited by N. Bloembergen (World Scientific, NJ), 1996; Shen Y. R.,The Principles of Nonlinear Optics (Wiley, New York) 1984.
2. Chiao R. Y., Garmire E. andTownes C. H.,Phys. Rev. Lett.,13 (1964) 479.
3. Zakharov V. E. andShabat A. B.,Sov. Phys. JETP,34 (1972) 62.
4. See,e.g.,Agrawal G. P.,Nonlinear Fiber Optics (Academic Press, New York) 1989.
5. See,e.g.,Hasegawa A. andKodama Y.,Solitons in Optical Communications (Clarendon Press, Oxford) 1995.