Supercontinuum generation in mid-IR using chalcogenide and germanate nonlinear fiber

Nikolai Tolstik, Evgeni Sorokin, Vladimir Kalashnikov, Dmitriy Klimentov, Vladislav Dvoyrin, Irina T. Sorokina*

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review


We demonstrate mid-infrared (mid-IR) supercontinuum generation with bandwidth from 2 to 2.8 μm at 20 dB below the peak in nonlinear step-index chalcogenide fiber using femtosecond mid-IR pulses directly from the oscillator. We compare the results with a supercontinuum generated in a silica-based high germanium content fiber. Supercontinuum generation occurs at 90 mW of launched average pump power that is equal to the 0.9 nJ pulse energy. The distinctive feature of the obtained supercontinuum is its stability and coherence due to the deterministic supercontinuum generation by the femtosecond pump pulses.

Original languageEnglish
Article number85990K
JournalProceedings of SPIE - International Society for Optical Engineering
Publication statusPublished - 6 Mar 2013
EventSolid State Lasers XXII: Technology and Devices - San Francisco, CA, United States
Duration: 3 Feb 20135 Feb 2013

Bibliographical note

Copyright 2013 SPIE. One print or electronic copy may be made for personal use only. Systematic reproduction, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.


  • chalcogenide fiber
  • femtosecond laser
  • fiber optics
  • germanate fiber
  • mid-IR laser
  • nonlinear optics
  • Supercontinuum generation


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