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Recent advances in sub-mu m PPKTP for non-linear interactions with counter-propagating photons
KTH, School of Engineering Sciences (SCI), Applied Physics, Laser Physics.ORCID iD: 0000-0002-8091-195x
KTH, School of Engineering Sciences (SCI), Applied Physics, Laser Physics.ORCID iD: 0000-0002-4452-0759
KTH, School of Engineering Sciences (SCI), Applied Physics, Laser Physics.
KTH, School of Engineering Sciences (SCI), Applied Physics, Laser Physics.
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2019 (English)In: NONLINEAR FREQUENCY GENERATION AND CONVERSION: MATERIALS AND DEVICES XVIII / [ed] Schunemann, PG Schepler, KL, SPIE-INT SOC OPTICAL ENGINEERING , 2019, article id UNSP 109020GConference paper, Published paper (Refereed)
Abstract [en]

Mirrorless optical parametric oscillators (MOPO) represent a special class of parametric devices based on three-wave nonlinear interaction in which the generated photons counter-propagate. Owing to the phase-matching condition of the counter-propagating waves, MOPOs can sustain oscillation without mirrors and present unique and useful tuning and spectral properties. In this paper, we will review our recent advances in structuring technology to achieve quasi-phase matching periodicities as short as 500 nm in Rb-doped KTiOPO4, which are necessary to compensate for the large phase mismatch. We will also review the performance of MOPOs both in the ps- and ns- pumping regime. In the latter, our crystals reach single-pass conversion efficiencies exceeding 50%, with mJ-level output energies.

Place, publisher, year, edition, pages
SPIE-INT SOC OPTICAL ENGINEERING , 2019. article id UNSP 109020G
Series
Proceedings of SPIE, ISSN 0277-786X ; 10902
Keywords [en]
Nonlinear optics, parametric devices, QPM, periodic poling, MOPO, KTP, ferroelectrics, frequency conversion
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Other Physics Topics
Identifiers
URN: urn:nbn:se:kth:diva-255230DOI: 10.1117/12.2514724ISI: 000471820400009Scopus ID: 2-s2.0-85066757391ISBN: 978-1-5106-2447-4 (print)OAI: oai:DiVA.org:kth-255230DiVA, id: diva2:1348144
Conference
Conference on Nonlinear Frequency Generation and Conversion - Materials and Devices XVIII, FEB 05-07, 2019, San Francisco, CA
Note

QC 20190903

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

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Zukauskas, AndriusViotti, Anne-LiseCoetzee, Riaan StuartLiljestrand, CharlottePasiskevicius, ValdasCanalias, Carlota

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