Deep-blue supercontinnum sources with optimum taper profiles--verification of GAM

Optics Express
S T SørensenO Bang

Abstract

We use an asymmetric 2 m draw-tower photonic crystal fiber taper to demonstrate that the taper profile needs careful optimisation if you want to develop a supercontinuum light source with as much power as possible in the blue edge of the spectrum. In particular we show, that for a given taper length, the downtapering should be as long as possible. We argue how this may be explained by the concept of group-acceleration mismatch (GAM) and we confirm the results using conventional symmetrical short tapers made on a taper station, which have varying downtapering lengths.

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Citations

May 5, 2018·Applied Optics·Harshul BalaniAshish Kumar Ghunawat
May 3, 2019·Optics Express·Rasmus Dybbro Engelsholm, Ole Bang
Oct 6, 2012·Optics Express·Alexandre FelipeAleksander S Paterno

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