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Quasi-phase matched second harmonic generation in periodically poled Rb-doped KTiOPO4 ridge waveguide
KTH, School of Engineering Sciences (SCI), Applied Physics.
KTH, School of Engineering Sciences (SCI), Applied Physics.
KTH, School of Engineering Sciences (SCI), Applied Physics.ORCID iD: 0000-0001-7306-0272
KTH, School of Engineering Sciences (SCI), Applied Physics.ORCID iD: 0000-0003-2070-9167
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2018 (English)In: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 26, no 25, p. 33142-33147Article in journal (Refereed) Published
Abstract [en]

A 10.8 mu m wide ridge waveguide was fabricated by diamond-blade dicing in an ion-exchanged periodically poled Rb-doped KTiOPO4 sample. The waveguide was used to generate blue second harmonic light at 468.8 nm in the TM(00 )mode through first order Type I quasi-phase matching, exploiting the large d(33) coefficient of the crystal. It was evaluated using a cw Ti:Sapphire laser, and 6.7 mu W of blue light was generated with 5.8 mW of fundamental radiation at 933.8 nm coupled through the waveguide. The results presented here pave the way for efficient nonlinear processes in a waveguide format. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

Place, publisher, year, edition, pages
Optical Society of America, 2018. Vol. 26, no 25, p. 33142-33147
National Category
Physical Sciences
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URN: urn:nbn:se:kth:diva-240728DOI: 10.1364/OE.26.033142ISI: 000452612200066Scopus ID: 2-s2.0-85058182711OAI: oai:DiVA.org:kth-240728DiVA, id: diva2:1276830
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QC 20190119

Available from: 2019-01-09 Created: 2019-01-09 Last updated: 2019-03-18Bibliographically approved

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Kores, Cristine C.Mutter, PatrickKianirad, HodaCanalias, CarlotaLaurell, Fredrik

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