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Efficient high-power generation of visible and mid-infrared light by degenerate four-wave-mixing in a large-mode-area photonic-crystal fiber

 
: Nodop, D.; Jauregui, C.; Schimpf, D.; Limpert, J.; Tünnermann, A.

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Optics Letters 34 (2009), No.22, pp.3499-3501
ISSN: 0146-9592
English
Journal Article
Fraunhofer IOF ()
laser

Abstract
An efficient and simple approach for converting pulsed near-IR laser radiation into visible and mid-IR light by exploiting degenerate four-wave-mixing in an endlessly single-mode, large-mode-area photonic-crystal fiber is presented. Coupling a 1 MHz, 200 ps, 8 W average power pulsed source emitting at 1064 nm into this fiber results in average powers of 3 W at 673 nm signal wavelength and of 450 mW at 2539 nm idler wavelength, respectively. The excellent pulse energy conversion efficiencies of 35% for the signal and 6% for the idler wavelength are due to the unique combination of characteristics of this type of fiber. (C) 2009 Optical Society of America

: http://publica.fraunhofer.de/documents/N-112940.html