- Conference date: 31 Jan - 4 Feb 1999
- Location: Albuquerque, New Mexico (USA)
The effect of stimulated light scattering on the gain of a three-level, step-index, doubly-clad fiber amplifier is modeled at arbitrary pump—and signal—levels. Spatial population dependence is included by assuming the guide transverse mode structure for signal and Stokes fields. This investigation uses the 1550 nm transition of in as example. The stimulated Brillouin scattering (SBS) threshold is found to be low, in agreement with previous experimental findings. Further calculations support the possibility of employing slightly tilted (at ) 2 mm length DFB gratings, spaced at 1–2 m intervals, for the control of SBS based on the principle of backward tunneling-mode coupling of Stokes radiation.
- Stimulated Brillouin scattering
- Light scattering
- Diffraction gratings
- Nonlinear field theories
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