Narrowband widely tunable CW mid-infrared generator based on difference frequency generation in periodically poled KTP and KTA crystals

  • Yauhen BaravetsEmail author
  • Pavel Honzatko
  • Filip Todorov
  • Petar Gladkov
Part of the following topical collections:
  1. TERA-MIR: Materials, Generation, Detection and Applications


We demonstrate narrowband CW mid-infrared generators based on difference frequency generation in periodically poled KTP and KTA crystals. The crystals are used to nonlineary mix the beams from high-power narrowband fiber laser systems working at 1060- and 1550-nm spectral bands. We explore various techniques to control the linewidth of fiber lasers. The tunability achieved in a source based on nonlinear mixing in a KTA crystal exceeds the range of 3100–3620 nm.


Mid-infrared tunable laser source Fiber laser Fiber optics amplifier Difference-frequency generation 



The work was supported by the Ministry of Education, Youth and Sports under Grant No. LD14112 in the frame of COST Action MP1204.


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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • Yauhen Baravets
    • 1
    Email author
  • Pavel Honzatko
    • 1
  • Filip Todorov
    • 1
  • Petar Gladkov
    • 1
  1. 1.Institute of Photonics and ElectronicsThe Czech Academy of SciencesPragueCzech Republic

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