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Article Dans Une Revue Optics Letters Année : 2011

Fourth-order cascaded Raman shift in AsSe chalcogenide suspended-core fiber pumped at 2 μm

Résumé

Cascaded Raman wavelength shifting up to the fourth order ranging from 2092 to 2450nm is demonstrated using a nanosecond pump at 1995nm in a low-loss As38Se62 suspended-core microstructured fiber. These four Stokes shifts are obtained with a low peak power of 11W, and only 3W are required to obtain three shifts. The Raman gain coefficient for the fiber is estimated to (1.6 +-0.5)x 10e−11 m/W at 1995nm. The positions and the amplitudes of the Raman peaks are well reproduced by the numerical simulations of the nonlinear propagation.
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Dates et versions

hal-00739125 , version 1 (05-10-2012)

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M. Duhant, W. Renard, Guillaume Canat, Thanh Nam Nguyen, F. Smektala, et al.. Fourth-order cascaded Raman shift in AsSe chalcogenide suspended-core fiber pumped at 2 μm. Optics Letters, 2011, 36 (15), pp.2859-2861. ⟨10.1364/OL.36.002859⟩. ⟨hal-00739125⟩
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