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Fully-resonant, tunable, monolithic frequency conversion as a coherent UVA source
KTH, School of Engineering Sciences (SCI), Applied Physics.
KTH, School of Engineering Sciences (SCI), Applied Physics.ORCID iD: 0000-0003-2070-9167
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2017 (English)In: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 25, no 2, 1142-1150 p.Article in journal (Refereed) Published
Abstract [en]

We demonstrate a monolithic frequency converter incorporating up to four tuning degrees of freedom, three temperature and one strain, allowing resonance of pump and generated wavelengths simultaneous with optimal phase-matching. With a Rb-doped periodically-poled potassium titanyl phosphate (KTP) implementation, we demonstrate efficient continuous-wave second harmonic generation from 795 to 397, with low-power efficiency of 72% and high-power slope efficiency of 4.5%. The measured performance shows good agreement with theoretical modeling of the device. We measure optical bistability effects, and show how they can be used to improve the stability of the output against pump frequency and amplitude variations. 

Place, publisher, year, edition, pages
2017. Vol. 25, no 2, 1142-1150 p.
Keyword [en]
Degrees of freedom (mechanics), Efficiency, Nonlinear optics, Phase matching, Potassium compounds, Amplitude variations, Continuous Wave, High power, Periodically poled, Pump frequency, Slope efficiencies, Theoretical modeling, Three temperature, Optical frequency conversion
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-202212DOI: 10.1364/OE.25.001142ISI: 000396518400057Scopus ID: 2-s2.0-85010208979OAI: oai:DiVA.org:kth-202212DiVA: diva2:1083034
Note

Funding text: This work was supported by European Research Council (ERC) projects AQUMET (280169) and ERIDIAN (713682); European Union QUIC (641122); Ministerio de Economía y Competitividad (MINECO) Severo Ochoa programme (SEV-2015-0522) and projects MAQRO (Ref. FIS2015-68039-P), XPLICA (FIS2014-62181-EXP); Agència de Gestió d'Ajuts Universitaris i de Recerca (AGAUR) project (2014-SGR-1295); Generalitat de Catalunya CERCA Programme Fundació Privada CELLEX; J.Z. was supported by the FI-DGR PhD-fellowship program of the Generalitat of Catalonia. QC 20170320

Available from: 2017-03-20 Created: 2017-03-20 Last updated: 2017-04-06Bibliographically approved

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