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High-power efficient generation of visible and mid-infrared radiation exploiting four-wave-mixing in optical fibers

 
: Jauregui, Cesar; Steinmetz, Alexander; Limpert, Jens; Tünnermann, Andreas

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Postprint (PDF; )

Optics Express 20 (2012), No.22, pp.24957-24965
ISSN: 1094-4087
English
Journal Article, Electronic Publication
Fraunhofer IOF ()

Abstract
We report on the generation of 17.6W of visible radiation at 650nm using four-wave-mixing in an endlessly single-mode silica fiber. The conversion efficiency was as high as ~30%. This high efficiency could be obtained by exploiting the natural absorption of silica for the mid-infrared radiation >2.5µm. In a separate experiment 1.6W of mid-IR radiation at 2570nm were generated simultaneously with 14.4W at 672nm. These power levels of picosecond red radiation are among the highest reported so far for a diffraction limited beam quality in this wavelength region.

: http://publica.fraunhofer.de/documents/N-219532.html