Hybrid single longitudinal mode Yb: YAG waveguide laser with 1.6 W output power

Thomas Calmano, Martin Ams, Peter Dekker, Michael J. Withford, Christian Kränkel

Research output: Contribution to journalArticleResearchpeer-review

Abstract

We present highly efficient high power single longitudinal mode waveguide lasers. Single mode operation was achieved by combining a tapered waveguide Bragg grating with a Yb:YAG crystalline waveguide laser in a hybrid approach. Both structures were fabricated by fs-laser writing. We achieved 1.59 W of output power in a single longitudinal mode and 4.71 W of output power with a spectral bandwidth of 38 pm. The slope efficiency was 66% and the laser threshold 92 mW.

LanguageEnglish
Pages2777-2782
Number of pages6
JournalOptical Materials Express
Volume7
Issue number8
DOIs
Publication statusPublished - 2017

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Laser modes
Waveguides
Lasers
Bragg gratings
Crystalline materials
Bandwidth

Cite this

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abstract = "We present highly efficient high power single longitudinal mode waveguide lasers. Single mode operation was achieved by combining a tapered waveguide Bragg grating with a Yb:YAG crystalline waveguide laser in a hybrid approach. Both structures were fabricated by fs-laser writing. We achieved 1.59 W of output power in a single longitudinal mode and 4.71 W of output power with a spectral bandwidth of 38 pm. The slope efficiency was 66{\%} and the laser threshold 92 mW.",
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Hybrid single longitudinal mode Yb : YAG waveguide laser with 1.6 W output power. / Calmano, Thomas; Ams, Martin; Dekker, Peter; Withford, Michael J.; Kränkel, Christian.

In: Optical Materials Express, Vol. 7, No. 8, 2017, p. 2777-2782.

Research output: Contribution to journalArticleResearchpeer-review

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T2 - Optical Materials Express

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AU - Ams, Martin

AU - Dekker, Peter

AU - Withford, Michael J.

AU - Kränkel, Christian

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