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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 12 — Jun. 15, 2012
  • pp: 2232–2234

Widely-tunable mid-infrared frequency comb source based on difference frequency generation

Axel Ruehl, Alessio Gambetta, Ingmar Hartl, Martin E. Fermann, Kjeld S. E. Eikema, and Marco Marangoni  »View Author Affiliations


Optics Letters, Vol. 37, Issue 12, pp. 2232-2234 (2012)
http://dx.doi.org/10.1364/OL.37.002232


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Abstract

We report on a mid-IR frequency comb source of unprecedented tunability covering the entire 3–10 μm molecular fingerprint region. The system is based on difference frequency generation in a GaSe crystal pumped by a 151 MHz Yb:fiber frequency comb. The process was seeded with Raman-shifted solitons generated in a highly nonlinear suspended-core fiber with the same source. Average powers up to 1.5 mW were achieved at the 4.7 μm wavelength.

© 2012 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(300.6340) Spectroscopy : Spectroscopy, infrared

ToC Category:
Nonlinear Optics

History
Original Manuscript: March 12, 2012
Manuscript Accepted: April 23, 2012
Published: June 6, 2012

Citation
Axel Ruehl, Alessio Gambetta, Ingmar Hartl, Martin E. Fermann, Kjeld S. E. Eikema, and Marco Marangoni, "Widely-tunable mid-infrared frequency comb source based on difference frequency generation," Opt. Lett. 37, 2232-2234 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-12-2232

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