Coherent supercontinuum generation in photonic crystal fiber with all-normal group velocity dispersion

Lucy E Hooper, Peter James Mosley, Alistair C Muir, William J Wadsworth, Jonathan C Knight

Research output: Contribution to journalArticle

173 Citations (Scopus)
150 Downloads (Pure)

Abstract

We demonstrate supercontinuum generation in a photonic crystal fiber with all-normal group velocity dispersion. Pumping a short section of this fiber with compressed pulses from a compact amplified fiber laser generates a 200 nm bandwidth continuum with typical self-phase-modulation characteristics. We demonstrate that the supercontinuum is compressible to a duration of 26 fs. It therefore has a high degree of coherence between all the frequency components, and is a single pulse in the time domain. A smooth, flat spectrum spanning 800 nm is achieved using a longer piece of fiber.
Original languageEnglish
Pages (from-to)4902-4907
Number of pages6
JournalOptics Express
Volume19
Issue number6
Early online date1 Mar 2011
DOIs
Publication statusPublished - 14 Mar 2011

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