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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 9 — May. 1, 2007
  • pp: 1138–1140

Mid-infrared difference-frequency generation of ultrashort pulses tunable between 3.2 and 4.8 μ m from a compact fiber source

C. Erny, K. Moutzouris, J. Biegert, D. Kühlke, F. Adler, A. Leitenstorfer, and U. Keller  »View Author Affiliations


Optics Letters, Vol. 32, Issue 9, pp. 1138-1140 (2007)
http://dx.doi.org/10.1364/OL.32.001138


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Abstract

We report single-pass difference-frequency generation of mid-infrared femtosecond pulses tunable in the 3.2 4.8 μ m range from a two-branch mode-locked erbium-doped fiber source. Average power levels of up to 1.1 mW at a repetition rate of 82 MHz are obtained in the mid infrared. This is achieved via nonlinear mixing of 170 mW , 65 fs pump pulses at a fixed wavelength of 1.58 μ m , with 11.5 mW , 40 fs pulses tunable in the near-infrared range between 1.05 and 1.18 μ m . These values indicate that the tunable near-infrared input component is downconverted with a quantum efficiency that exceeds 30%.

© 2007 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.4050) Lasers and laser optics : Mode-locked lasers
(190.2620) Nonlinear optics : Harmonic generation and mixing

ToC Category:
Nonlinear Optics

History
Original Manuscript: January 12, 2007
Manuscript Accepted: February 7, 2007
Published: April 3, 2007

Citation
C. Erny, K. Moutzouris, J. Biegert, D. Kühlke, F. Adler, A. Leitenstorfer, and U. Keller, "Mid-infrared difference-frequency generation of ultrashort pulses tunable between 3.2 and 4.8 μm from a compact fiber source," Opt. Lett. 32, 1138-1140 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-9-1138

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