Abstract

Large Stokes-shift (∼4700 cm-1) four-wave mixing is generated in a deeply normal dispersion regime from a 20 cm commercial large-mode-area photonic crystal fiber pumped by amplified ∼800 nm femtosecond pulses. The phase-matching condition is realized through an intermodal scheme involving two pump photons in the fundamental fiber mode and a pair of Stokes/anti-Stokes photons in a higher-order fiber mode. Over 7% conversion efficiency from the pump input to 586 nm anti-Stokes signal has been attained.

Original languageEnglish (US)
Article number101109
JournalApplied Physics Letters
Volume94
Issue number10
DOIs
StatePublished - 2009

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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