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Sub-nanosecond, 1-10 kHz, low-threshold, non-critical OPOs based on periodically poled KTP crystal pumped at 1,064 nm
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2012 (English)In: Applied physics. B, Lasers and optics (Print), ISSN 0946-2171, E-ISSN 1432-0649, Vol. 109, no 2, 211-214 p.Article in journal (Refereed) Published
Abstract [en]

We employed a 9-mm long periodically poled KTiOPO4 (PPKTP) crystal in an optical parametric oscillator (OPO) to generate sub-nanosecond idler pulses around 2.8 mu m. With a 1-cm long OPO cavity in a singly resonant configuration and double pass pumping by 1-ns pulses at 1,064 nm, the maximum idler energy reached 110 mu J at 1 kHz. Pumping with 500 ps pulses at 1-10 kHz, resulted in an idler energy of similar to 50 mu J and the shortest pulse duration of similar to 250 ps, ever reported for an OPO. The corresponding quantum conversion efficiencies were 32.5 and 34.9 %, respectively.

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Springer, 2012. Vol. 109, no 2, 211-214 p.
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URN: urn:nbn:se:kth:diva-107075DOI: 10.1007/s00340-012-5177-4ISI: 000310887100005ScopusID: 2-s2.0-84869500162OAI: diva2:575352
EU, European Research Council, 224042

QC 20121210. QC 20160207

Available from: 2012-12-10 Created: 2012-12-06 Last updated: 2016-02-15Bibliographically approved

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Pasiskevicius, ValdasThilmann, NickyLaurell, Fredrik
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