Ferdinand A Oguama

New approach to the measurement of the nonlinear refractive index of short (<25 m) lengths of silica and erbium-doped fibers.

Sudhir Trivedi, Hernando Garcia, Anthony M Johnson, 2003, Optics letters.

Pump-induced nonlinear refractive-index change in erbium- and ytterbium-doped fibers: theory and experiment.

Sudhir Trivedi, Hernando Garcia, Anthony M Johnson, 2005, Optics letters.