We demonstrate efficient frequency conversion with large frequency shifts
of an anti-Stokes signal into a parametrically seeded Stokes idler, which
is generated by a highly mismatched three-wave mixing interaction and subsequent
Raman amplification in a normally dispersive single-mode fiber. The use of
non-phase-matched waves in Raman-assisted three-wave mixing interactions overcomes
the strict spectral limitations imposed by phase-matching conditions in parametric
© 1999 Optical Society of America
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