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Contact poling of Rb:KTiOPO4 using a micro-structured silicon electrode
KTH, School of Engineering Sciences (SCI), Applied Physics, Laser Physics.ORCID iD: 0000-0001-7306-0272
KTH, School of Engineering Sciences (SCI), Applied Physics, Laser Physics.
KTH, School of Engineering Sciences (SCI), Applied Physics, Cell Physics.ORCID iD: 0000-0002-3996-9279
KTH, School of Engineering Sciences (SCI), Applied Physics, Laser Physics.ORCID iD: 0000-0003-2070-9167
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2015 (English)In: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 23, no 2, 636-641 p.Article in journal (Refereed) Published
Abstract [en]

A contact poling technique for domain engineering of ferroelectrics using a micro-structured silicon electrode is demonstrated on Rb:KTiOPO4. High quality QPM gratings were reproducibly fabricated. The silicon electrode is reusable and the technique potentially suitable when complex structures with sub-mu m features are to be domain engineered, which otherwise is incompatible with conventional photolithography. A non-negligible domain broadening was seen and attributed to a low nucleation rate using this type of electrode. However, under the appropriate poling conditions, this could be exploited to obtain a QPM grating with a short pitch (2 mu m), equal to half of the electrode period.

Place, publisher, year, edition, pages
2015. Vol. 23, no 2, 636-641 p.
Keyword [en]
Photolithography, Rubidium, Silicon, Complex structure, Contact poling, Conventional photolithography, Domain broadening, Domain engineering, Nucleation rate, Poling conditions, Silicon electrode
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:kth:diva-157684DOI: 10.1364/OE.23.000636ISI: 000349166100003Scopus ID: 2-s2.0-84921748073OAI: oai:DiVA.org:kth-157684DiVA: diva2:771084
Funder
Swedish Research CouncilCarl Tryggers foundation
Note

QC 20150312. Updated from accepted to published.

Available from: 2014-12-12 Created: 2014-12-12 Last updated: 2017-12-05Bibliographically approved

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Kianirad, HodaCanalias, CarlotaLaurell, Fredrik

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