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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 7 — Apr. 1, 2013
  • pp: 1155–1157

Milliwatt-level frequency combs in the 8–14 μm range via difference frequency generation from an Er:fiber oscillator

Alessio Gambetta, Nicola Coluccelli, Marco Cassinerio, Davide Gatti, Paolo Laporta, Gianluca Galzerano, and Marco Marangoni  »View Author Affiliations


Optics Letters, Vol. 38, Issue 7, pp. 1155-1157 (2013)
http://dx.doi.org/10.1364/OL.38.001155


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Abstract

We report on the generation of mid-infrared (mid-IR) pulses with a maximum average optical power of 4 mW and wide tunability in the 8–14 μm range via difference frequency generation (DFG) in GaSe from an Er:fiber laser oscillator. The DFG process is seeded with self-frequency shifted Raman solitons that are shown to be phase coherent within the whole tuning range, from 1.76 to 1.93 μm. Interference measurements between adjacent pulses at the idler wavelengths attest coherence transfer to the mid-IR.

© 2013 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3510) Lasers and laser optics : Lasers, fiber
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.7110) Nonlinear optics : Ultrafast nonlinear optics

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: December 19, 2012
Revised Manuscript: February 19, 2013
Manuscript Accepted: February 27, 2013
Published: April 1, 2013

Citation
Alessio Gambetta, Nicola Coluccelli, Marco Cassinerio, Davide Gatti, Paolo Laporta, Gianluca Galzerano, and Marco Marangoni, "Milliwatt-level frequency combs in the 8–14 μm range via difference frequency generation from an Er:fiber oscillator," Opt. Lett. 38, 1155-1157 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-7-1155

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