27 February 2015 Supercontinuum from single- and double-scale fiber laser pulses in long extra-cavity P2O5-doped silica fiber
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Abstract
This work discusses the results of research into comparative efficiency of non-linear transformation of picosecond single- and double-scale fibre laser pulses in generation of Raman-dominated supercontinuum (SC) due to cascaded stimulated Raman scattering of these pulses in a long extra-cavity fibre. We demonstrate properties of SC formed by superposition of spectra of several Stokes components when pumped with pulses of different structure. More efficient Raman transformation of double-scale pulses was identified, leading to broader SC spectra. The work presents features of temporal distributions of radiation intensity of single- and double-scale pulses-induced SC at different average input powers.
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Sergey M. Kobtsev, Sergey V. Kukarin, Sergey V. Smirnov, "Supercontinuum from single- and double-scale fiber laser pulses in long extra-cavity P2O5-doped silica fiber", Proc. SPIE 9347, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIV, 93471X (27 February 2015); doi: 10.1117/12.2079983; https://doi.org/10.1117/12.2079983
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