Sv. Chernikov et Jr. Taylor, MEASUREMENT OF NORMALIZATION FACTOR OF N(2) FOR RANDOM POLARIZATION IN OPTICAL FIBERS, Optics letters, 21(19), 1996, pp. 1559-1561
The 8/9 normalization coefficient for the nonlinear refractive index i
n nonpolarization-maintaining optical fibers is confirmed directly by
measurement of the ratio of the self- and cross-phase modulation coeff
icients for two orthogonal polarizations. The nonlinear phase shift is
accurately measured with a dual-frequency beat signal as a pump sourc
e. (C) 1996 Optical Society of America