Abstract
The Raman response function and Raman nonlinear index of phosphosilicate fibers are calculated for several P2O5 concentrations. The nonlinear index of phosphosilicate fiber is estimated by using the Boling formula, and it is used to calculate the Raman fraction of the nonlinear index. On the other hand, the Raman response function of the phosphosilicate fibers is fitted to a superposition of six phase-shifted under-damped functions in order to use it in the numerical simulation of ultra-short pulse propagation. We show through numerical simulations that phosphosilicate fibers are a suitable medium to observe a scaling up of the Raman self-frequency shift when compared to silica fibers.
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Salceda-Delgado, G., Martinez-Rios, A., Ilan, B. et al. Raman response function and Raman fraction of phosphosilicate fibers. Opt Quant Electron 44, 657–671 (2012). https://doi.org/10.1007/s11082-012-9584-x
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DOI: https://doi.org/10.1007/s11082-012-9584-x