Octave spanning supercontinuum in an As2S3 taper using ultralow pump pulse energy

Darren D. Hudson, Stephen A. Dekker, Eric C. Mägi, Alexander C. Judge, Stuart D. Jackson, Enbang Li, J. S. Sanghera, L. B. Shaw, I. D. Aggarwal, Benjamin J. Eggleton

Research output: Contribution to journalArticle

103 Citations (Scopus)

Abstract

An octave spanning spectrum is generated in an As2S3 taper via 77 pJ pulses from an ultrafast fiber laser. Using a previously developed tapering method, we construct a 1.3 μm taper that has a zero-dispersion wavelength around 1.4 μm. The low two-photon absorption of sulfide-based chalcogenide fiber allows for higher input powers than previous efforts in selenium-based chalcogenide tapered fibers. This higher power handling capability combined with input pulse chirp compensation allows an octave spanning spectrum to be generated directly from the taper using the unamplified laser output.

Original languageEnglish
Pages (from-to)1122-1124
Number of pages3
JournalOptics Letters
Volume36
Issue number7
DOIs
Publication statusPublished - 1 Apr 2011
Externally publishedYes

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