Abstract
We present experiments that show simultaneous achievement of suppression of modulational instability and substantial reduction of stimulated Raman scattering in birefringent optical fibers under dual-frequency, orthogonal polarization pumping. The suppression mechanism is based on careful control of the group-velocity match between the pumps and on an appropriate choice of the input power distribution among the components of the pump field. The use of orthogonally polarized pump beams permits suppression of the parametric and Raman Stokes beams in any one of the fiber axes, with a frequency spacing between the pumps (2.4 THz) that is reduced by more than 1 order of magnitude compared with the pump-frequency spacing required for a linearly polarized pump field (26 THz).
© 2000 Optical Society of America
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