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Highly efficient mirrorless optical parametric oscillator pumped by nanosecond pulses
KTH, School of Engineering Sciences (SCI), Physics.
KTH, School of Engineering Sciences (SCI), Applied Physics, Laser Physics.
KTH, School of Engineering Sciences (SCI), Applied Physics.ORCID iD: 0000-0002-2508-391X
KTH, School of Engineering Sciences (SCI), Applied Physics, Laser Physics.ORCID iD: 0000-0003-2070-9167
2017 (English)In: Optics Letters, ISSN 0146-9592, E-ISSN 1539-4794, Vol. 42, no 13, p. 2435-2438Article in journal (Refereed) Published
Abstract [en]

A highly efficient mirrorless optical parametric oscillator (MOPO), pumped by narrowband nanosecond pulses at 1064 nm, is demonstrated. The MOPO is based on quasi-phase-matched parametric interaction of counter-propagating photons in 1-mm-thick periodically poled Rb-doped KTiOPO4 crystal with a period of 755 nm. It generates a co-propagating signal at 1740 nm and a counter-propagating idler at 2741 nm, achieving mJ-level output with a total signal-and-idler conversion efficiency of 47%. Both generated waves present narrow spectral bandwidths, thanks to the unique properties of the counter-propagating nonlinear interaction. The high conversion efficiency, inherently narrow spectral width, and simplicity of the optical setup make the MOPO an attractive alternative to conventional co-propagating optical parametric oscillators.

Place, publisher, year, edition, pages
OPTICAL SOC AMER , 2017. Vol. 42, no 13, p. 2435-2438
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-211385DOI: 10.1364/OL.42.002435ISI: 000404743500009Scopus ID: 2-s2.0-85021778167OAI: oai:DiVA.org:kth-211385DiVA, id: diva2:1130335
Note

QC 20170809

Available from: 2017-08-09 Created: 2017-08-09 Last updated: 2017-08-09Bibliographically approved

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Liljestrand, CharlotteZukauskas, AndriusPasiskevicius, ValdasCanalias, Carlota

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