Zero-dispersion wavelength independent quasi-CW pumped supercontinuum generation

Publication: Research - peer-reviewJournal article – Annual report year: 2013

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Continuous wave (CW) pumped supercontinuum generation depends strongly on the zero-dispersion wavelength (ZDW) of the fiber due to the low peak power. Here we study several photonic crystal fibers by use of a gain-switched CW pump laser and investigate for what power level the supercontinuum reaches the silica mid-infrared loss edge and the bandwidth becomes independent of the ZDW. We show that for a quasi-CW power of more than 350 W the loss edge limits the broadening, and at 500 W we obtain a variation of only 4% in the achieved bandwidth for fibers with a ZDW in a 50 nm region around the 1064 nm pump wavelength.
Original languageEnglish
JournalOptics Communications
Volume290
Issue number1
Pages (from-to)170–174
ISSN0030-4018
DOIs
StatePublished - 2013
Peer-reviewedYes
CitationsWeb of Science® Times Cited: 10

Keywords

  • Supercontinuum, Continuous wave pumping, Photonic crystal fiber, Soliton collision
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