High-average-power actively-mode-locked Tm3+ fiber lasers

Michael Eckerle, Christelle Kieleck, Philipp Hübner, Jacek Świderski, Stuart D. Jackson, Gwenael Mazé, Marc Eichhorn

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionResearchpeer-review

Abstract

Fiber lasers emitting in the 2 μm wavelength range doped with thulium ions can be used as highly efficient pump sources for nonlinear converters to generate mid-infrared radiation. For spectroscopic purposes, illumination and countermeasures, a broad mid-infrared emission spectrum is advantageous. This can be reached by supercontinuum generation in fibers, e.g. fluoride fibers, which up to now has, however, only been presented with either low average power, complex Raman-shifted 1.55 μm pump sources or multi-stage amplifier pump schemes. Here we present recent results of a new actively-mode-locked single-oscillator scheme that can provide the high-repetition rate sub-ns pump pulses needed for pumping supercontinuum generators. A thulium-doped silica fiber laser is presented that provides > 11 W of average power CW-mode-locked pulses at 38 MHz repetition rate at ∼ 38 ps pulse width. Upgrading the setup to allow Q-switched mode-locked operation yields mode-locked 40 MHz pulses arranged in 60 kHz bunched Q-switch envelopes and thus increases further the available peak power. In this Q-switched mode-locked regime over 5 W of average power has been achieved.

LanguageEnglish
Title of host publicationFiber Lasers IX: Technology, Systems, and Applications
Place of PublicationBellingham, WA
PublisherSPIE
Pages1-8
Number of pages8
Volume8237
ISBN (Print)9780819488800
DOIs
Publication statusPublished - 2012
Externally publishedYes
EventFiber Lasers IX: Technology, Systems, and Applications - San Francisco, CA, United States
Duration: 23 Jan 201226 Jan 2012

Other

OtherFiber Lasers IX: Technology, Systems, and Applications
CountryUnited States
CitySan Francisco, CA
Period23/01/1226/01/12

Fingerprint

Thulium
Mode-locked fiber lasers
fiber lasers
Lasers
Pumps
pumps
Fiber lasers
Lighting
Fluorides
thulium
Silicon Dioxide
Ions
Radiation
Supercontinuum generation
Infrared radiation
repetition
Pumping (laser)
pulses
Fibers
countermeasures

Cite this

Eckerle, M., Kieleck, C., Hübner, P., Świderski, J., Jackson, S. D., Mazé, G., & Eichhorn, M. (2012). High-average-power actively-mode-locked Tm3+ fiber lasers. In Fiber Lasers IX: Technology, Systems, and Applications (Vol. 8237, pp. 1-8). [823740] Bellingham, WA: SPIE. https://doi.org/10.1117/12.906649
Eckerle, Michael ; Kieleck, Christelle ; Hübner, Philipp ; Świderski, Jacek ; Jackson, Stuart D. ; Mazé, Gwenael ; Eichhorn, Marc. / High-average-power actively-mode-locked Tm3+ fiber lasers. Fiber Lasers IX: Technology, Systems, and Applications. Vol. 8237 Bellingham, WA : SPIE, 2012. pp. 1-8
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abstract = "Fiber lasers emitting in the 2 μm wavelength range doped with thulium ions can be used as highly efficient pump sources for nonlinear converters to generate mid-infrared radiation. For spectroscopic purposes, illumination and countermeasures, a broad mid-infrared emission spectrum is advantageous. This can be reached by supercontinuum generation in fibers, e.g. fluoride fibers, which up to now has, however, only been presented with either low average power, complex Raman-shifted 1.55 μm pump sources or multi-stage amplifier pump schemes. Here we present recent results of a new actively-mode-locked single-oscillator scheme that can provide the high-repetition rate sub-ns pump pulses needed for pumping supercontinuum generators. A thulium-doped silica fiber laser is presented that provides > 11 W of average power CW-mode-locked pulses at 38 MHz repetition rate at ∼ 38 ps pulse width. Upgrading the setup to allow Q-switched mode-locked operation yields mode-locked 40 MHz pulses arranged in 60 kHz bunched Q-switch envelopes and thus increases further the available peak power. In this Q-switched mode-locked regime over 5 W of average power has been achieved.",
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Eckerle, M, Kieleck, C, Hübner, P, Świderski, J, Jackson, SD, Mazé, G & Eichhorn, M 2012, High-average-power actively-mode-locked Tm3+ fiber lasers. in Fiber Lasers IX: Technology, Systems, and Applications. vol. 8237, 823740, SPIE, Bellingham, WA, pp. 1-8, Fiber Lasers IX: Technology, Systems, and Applications, San Francisco, CA, United States, 23/01/12. https://doi.org/10.1117/12.906649

High-average-power actively-mode-locked Tm3+ fiber lasers. / Eckerle, Michael; Kieleck, Christelle; Hübner, Philipp; Świderski, Jacek; Jackson, Stuart D.; Mazé, Gwenael; Eichhorn, Marc.

Fiber Lasers IX: Technology, Systems, and Applications. Vol. 8237 Bellingham, WA : SPIE, 2012. p. 1-8 823740.

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionResearchpeer-review

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Eckerle M, Kieleck C, Hübner P, Świderski J, Jackson SD, Mazé G et al. High-average-power actively-mode-locked Tm3+ fiber lasers. In Fiber Lasers IX: Technology, Systems, and Applications. Vol. 8237. Bellingham, WA: SPIE. 2012. p. 1-8. 823740 https://doi.org/10.1117/12.906649