We demonstrate optical pulse switching and amplification based on simultaneous Raman and Kerr effects in a fiber-loop mirror. Stimulated Raman scattering is shown to play a dominant role in the transfer function of the loop with highly germania-doped fibers, in agreement with theoretical predictions. Optical switching of a 100-ps signal pulse with an amplification factor of 10 was demonstrated in a 20-mol.% GeO<sub>2</sub>-doped fiber.
© 1998 Optical Society of America
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(190.5890) Nonlinear optics : Scattering, stimulated
(230.4320) Optical devices : Nonlinear optical devices
(320.7080) Ultrafast optics : Ultrafast devices
A. N. Starodumov, Yu.O. Barmenkov, A. Martinez, I. Torres, and L. A. Zenteno, "Experimental demonstration of a Raman effectbased optical transistor," Opt. Lett. 23, 352-354 (1998)