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Inkjet-printing of graphene saturable absorbers for similar to 2 mu m bulk and waveguide lasers
ITMO Univ, Kronverkskiy Pr 49, St Petersburg 197101, Russia..
URV, Dept Quim Fis & Inorgan, Fis & Cristal Lografia Mat & Nanomat FiCMA FiCNA, EMaS, E-43007 Tarragona, Spain..
KTH, School of Information and Communication Technology (ICT).
URV, Dept Quim Fis & Inorgan, Fis & Cristal Lografia Mat & Nanomat FiCMA FiCNA, EMaS, E-43007 Tarragona, Spain..
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2018 (English)In: Optical Materials Express, ISSN 2159-3930, E-ISSN 2159-3930, Vol. 8, no 9, p. 2803-2814Article in journal (Refereed) Published
Abstract [en]

A technique for inkjet-printing of graphene saturable absorbers (SAs) for similar to 2-mu m bulk and waveguide lasers is presented. Based on distillation-assisted solvent exchange to fabricate high-concentration graphene inks, this technique is capable of producing few-layer graphene films of arbitrary shape. Absorption saturation of graphene printed on glass is demonstrated at similar to 1.56 mu m for picosecond and femtosecond pulses indicating a large fraction of the saturable losses. Inkjet-printed transmission-type graphene SAs are applied in passively Q-switched nanosecond thulium (Tm) microchip and planar waveguide lasers. The Tm microchip laser generates 136 ns / 1.2 mu J pulses at 1917 nm with a repetition rate of 0.37 MHz with a Q-switching conversion efficiency reaching 65%. The planar waveguide laser generates 98 ns / 21 nJ pulses at 1834 nm at a repetition rate in the MHz-range. The inkjet-printing technique is promising for production of patterned SAs for waveguide lasers.

Place, publisher, year, edition, pages
Optical Society of America, 2018. Vol. 8, no 9, p. 2803-2814
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:kth:diva-235113DOI: 10.1364/OME.8.002803ISI: 000443314600037Scopus ID: 2-s2.0-85052662930OAI: oai:DiVA.org:kth-235113DiVA, id: diva2:1249323
Note

QC 20180919

Available from: 2018-09-19 Created: 2018-09-19 Last updated: 2018-09-19Bibliographically approved

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Popov, SergeiLi, JiantongÖstling, Mikael

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Delekta, Szymon SollamiPopov, SergeiLi, JiantongÖstling, Mikael
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