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- W4320804143 abstract "Stimulated Raman scattering (SRS) in optical fibers has been mainly used for broadband amplifiers, tunable fiber lasers or pulse compressors 1 . All of theses applications dealt only with the downshifted Stokes frequency ω s =ω p −Ω R where amplification of a weak signal copropagating with a pump occurs when the signal wavelength falls in the Raman gain bandwidth. In the present work, we launched a weak signal pulse at the anti-Stokes frequency ω as =ω p +Ω R along with the pump (fig. 1-a). Experimental results performed in the visible domain show a strong attenuation of this anti-Stokes signal (fig. 1-b) with an efficiency of-20 dB (fig.2-a) and the simultaneous conversion to a Stokes pulse (fig. 1-b) amplified exponentially with respect to the anti-Stokes input with a maximum gain of 15 dB (fig.2-b). In the absence of the input anti-Stokes signal, no Stokes ouput is detected for the same pump power level as in fig. 1-b which is below the usual stimulated Raman threshold of the fiber 1 ." @default.
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- W4320804143 date "1998-01-01" @default.
- W4320804143 modified "2023-10-14" @default.
- W4320804143 title "Optical wavelength switching by stimulated Raman scattering in a single-mode fiber" @default.
- W4320804143 cites W2395322065 @default.
- W4320804143 doi "https://doi.org/10.1364/cleo_europe.1998.cthh33" @default.
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