Enhanced anti-stokes Raman gain in nonlinear waveguides
Sánchez, Alfredo D.
Hernández, Santiago M.
Bonetti, Juan I.
Fierens, Pablo Ignacio
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"We show that, under certain conditions, modulation instability in nonlinear waveguides gives rise to the usual double-sideband spectral structure, but with a Raman gain profile. This process is enabled by the energy transfer from a strong laser pump to both Stokes and antiStokes sidebands in a pseudo-parametric fashion. We believe this striking behavior to be of particular value in the area of Raman-based sensors which rely on sensitive measurements of the anti-Stokes component".
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- Física