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| dc.contributor.author | Kifle, Esrom | |
| dc.contributor.author | Loiko, Pavel | |
| dc.contributor.author | Romero Vázquez, Carolina | |
| dc.contributor.author | Vázquez de Aldana, Javier R. | |
| dc.contributor.author | Ródenas, Airan | |
| dc.contributor.author | Zakharov, Viktor | |
| dc.contributor.author | Veniaminov, Andrey | |
| dc.contributor.author | Aguiló, Magdalena | |
| dc.contributor.author | Díaz, Francesc | |
| dc.contributor.author | Griebner, Uwe | |
| dc.contributor.author | Petrov, Valentin | |
| dc.contributor.author | Mateos, Xavier | |
| dc.date.accessioned | 2021-10-01T09:28:06Z | |
| dc.date.available | 2021-10-01T09:28:06Z | |
| dc.date.issued | 2019-04 | |
| dc.identifier.citation | Kifle, E. et al. (2019). Femtosecond-laser-written Ho:KGd(WO4)2 waveguide laser at 2.1 μm. Opt. Lett. 44, 1738-1741. https://doi.org/10.1364/OL.44.001738 | es_ES |
| dc.identifier.issn | 0146-9592 | |
| dc.identifier.uri | http://hdl.handle.net/10366/147195 | |
| dc.description.abstract | We report on efficient laser operation of the first holmium monoclinic double tungstate waveguide laser fabricated by femtosecond direct laser writing. A depressed-index buried channel waveguide with a 60 μm diameter circular cladding was inscribed in 5 at.% Ho3+:KGd(WO4)2. It was characterized by confocal microscopy and μ-Raman and μ-luminescence spectroscopy, indicating well-preserved crystallinity of its core. Pumped by a thulium bulk laser, the holmium waveguide laser generated 212 mW at 2055 nm with a slope efficiency of 67.2%. The waveguide propagation losses were 0.94±0.2 dB/cm. | es_ES |
| dc.description.sponsorship | Agència de Gestió d’Ajuts Universitaris i de Recerca (AGAUR) (2017SGR755); Horizon 2020 Framework Programme (H2020) (747055); Consejería de Educación, Junta de Castilla y León (SA046U16, UIC016); Ministerio de Economía y Competitividad (MINECO) [FIS2017-87970-R, MAT2016-75716-C2-1-R (AEI/FEDER, UE), TEC 2014-55948-R]; Generalitat de Catalunya (2016FI_B00844, 2017FI_B100158, 2018FI_B200123); ICREA academia (2010ICREA-02); Government of the Russian Federation (074-U01); European Community’s Horizon 2020 Research (654148); Laserlab- EUROPE (MBI MBI002365). | es_ES |
| dc.format.mimetype | application/pdf | |
| dc.language.iso | eng | es_ES |
| dc.subject | Femtosecond laser writing | es_ES |
| dc.subject | Femtosecond lasers | es_ES |
| dc.subject | Fiber lasers | es_ES |
| dc.subject | Laser operation | es_ES |
| dc.subject | Negative refractive index | es_ES |
| dc.subject | Waveguide lasers | es_ES |
| dc.title | Femtosecond-laser-written Ho:KGd(WO4)2 waveguide laser at 21 μm | es_ES |
| dc.type | info:eu-repo/semantics/article | es_ES |
| dc.relation.publishversion | https://doi.org/10.1364/OL.44.001738 | es_ES |
| dc.identifier.doi | 10.1364/OL.44.001738 | |
| dc.relation.projectID | Agència de Gestió d’Ajuts Universitaris i de Recerca (AGAUR) (2017SGR755) | es_ES |
| dc.relation.projectID | Horizon 2020 Framework Programme (H2020) (747055) | es_ES |
| dc.relation.projectID | Consejería de Educación, Junta de Castilla y León (SA046U16, UIC016) | es_ES |
| dc.relation.projectID | Ministerio de Economía y Competitividad (MINECO) [FIS2017-87970-R, MAT2016-75716-C2-1-R (AEI/FEDER, UE), TEC 2014-55948-R] | es_ES |
| dc.relation.projectID | Generalitat de Catalunya (2016FI_B00844, 2017FI_B100158, 2018FI_B200123) | es_ES |
| dc.rights.accessRights | info:eu-repo/semantics/openAccess | es_ES |
| dc.identifier.essn | 1539-4794 | |
| dc.journal.title | Optics Letters | es_ES |
| dc.volume.number | 44 | es_ES |
| dc.issue.number | 7 | es_ES |
| dc.page.initial | 1738 | es_ES |
| dc.type.hasVersion | info:eu-repo/semantics/publishedVersion | es_ES |
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