Fast and exact calculation of cascaded, multi-wavelength, and tunable Raman fiber lasers based on a simplified analytical solution with subsequent numerical collocation solving

Fast and exact calculation of cascaded, multi-wave

S. Cierullies,
Fast and exact calculation of cascaded, multi-wavelength, and tunable Raman fiber lasers based on a simplified analytical solution with subsequent numerical collocation solving
VDE-ITG-Fachausschuss 9.1 - Diskussionssitzung: Messung und Modellierung in der Optischen Nachrichtentechnik, MMONT 2005 - 1.-3. Juni, Elsa-Brändström-Haus, Hamburg-Blankenese (Paper Mi 6), p. 6 (2005)

Abstract: We present an analytical description of cascaded, multi-wavelength, and tunable Raman fiber lasers based on the round-trip conditions required for each laser line. This model provides a better insight into the interactions between individual laser lines. Applying some simplifications, an approximate analytical solution for the power distribution in the laser can be found, which is used as a very good initial guess for a fast and accurate calculation of the exact power distribution with a numerical collocation solver. The presented method reduces the time needed for the calculation of complex laser setups by several orders of magnitude.

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