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Octave-spanning single-cycle middle-infrared generation through optical parametric amplification in LiGaS

Octave-spanning single-cycle middle-infrared generation through optical parametric amplification in LiGaS

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CHEN, Bo-Han, Emanuel WITTMANN, Yuya MORIMOTO, Peter BAUM, Eberhard RIEDLE, 2019. Octave-spanning single-cycle middle-infrared generation through optical parametric amplification in LiGaS. In: Optics Express. 27(15), pp. 21306-21318. eISSN 1094-4087. Available under: doi: 10.1364/OE.27.021306

@article{Chen2019-07-22Octav-46668, title={Octave-spanning single-cycle middle-infrared generation through optical parametric amplification in LiGaS}, year={2019}, doi={10.1364/OE.27.021306}, number={15}, volume={27}, journal={Optics Express}, pages={21306--21318}, author={Chen, Bo-Han and Wittmann, Emanuel and Morimoto, Yuya and Baum, Peter and Riedle, Eberhard} }

<rdf:RDF xmlns:dcterms="http://purl.org/dc/terms/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dspace="http://digital-repositories.org/ontologies/dspace/0.1.0#" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:void="http://rdfs.org/ns/void#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/46668"> <dc:contributor>Morimoto, Yuya</dc:contributor> <dc:creator>Riedle, Eberhard</dc:creator> <void:sparqlEndpoint rdf:resource="http://localhost/fuseki/dspace/sparql"/> <foaf:homepage rdf:resource="http://localhost:8080/jspui"/> <dc:creator>Morimoto, Yuya</dc:creator> <dc:contributor>Wittmann, Emanuel</dc:contributor> <dcterms:isPartOf rdf:resource="https://kops.uni-konstanz.de/rdf/resource/123456789/41"/> <dc:language>eng</dc:language> <dcterms:abstract xml:lang="eng">We report the generation of extremely broadband and inherently phase-locked mid-infrared pulses covering the 5 to 11 µm region. The concept is based on two stages of optical parametric amplification starting from a 270-fs Yb:KGW laser source. A continuum seeded, second harmonic pumped pre-amplifier in β-BaB2O4 (BBO) produces tailored broadband near-infrared pulses that are subsequently mixed with the fundamental pump pulses in LiGaS2 (LGS) for mid-infrared generation and amplification. The pulse bandwidth and chirp is managed entirely by selected optical filters and bulk material. We find an overall quantum efficiency of 1% and a mid-infrared spectrum smoothly covering 5-11 µm with a pulse energy of 220 nJ at 50 kHz repetition rate. Electro-optic sampling with 12-fs long white-light pulses directly from self-compression in a YAG crystal reveals near-single-cycle mid-infrared pulses (32 fs) with passively stable carrier-envelope phase. Such pulses will be ideal for producing attosecond electron pulses or for advancing molecular fingerprint spectroscopy.</dcterms:abstract> <dcterms:title>Octave-spanning single-cycle middle-infrared generation through optical parametric amplification in LiGaS</dcterms:title> <dc:creator>Wittmann, Emanuel</dc:creator> <dc:rights>terms-of-use</dc:rights> <dc:contributor>Riedle, Eberhard</dc:contributor> <dcterms:issued>2019-07-22</dcterms:issued> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2019-08-09T13:35:10Z</dcterms:available> <dc:contributor>Baum, Peter</dc:contributor> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2019-08-09T13:35:10Z</dc:date> <dcterms:rights rdf:resource="https://kops.uni-konstanz.de/page/termsofuse"/> <dcterms:hasPart rdf:resource="https://kops.uni-konstanz.de/bitstream/123456789/46668/1/Chen_2-8t1wwm6dk42w1.pdf"/> <dspace:hasBitstream rdf:resource="https://kops.uni-konstanz.de/bitstream/123456789/46668/1/Chen_2-8t1wwm6dk42w1.pdf"/> <dc:contributor>Chen, Bo-Han</dc:contributor> <bibo:uri rdf:resource="https://kops.uni-konstanz.de/handle/123456789/46668"/> <dspace:isPartOfCollection rdf:resource="https://kops.uni-konstanz.de/rdf/resource/123456789/41"/> <dc:creator>Chen, Bo-Han</dc:creator> <dc:creator>Baum, Peter</dc:creator> </rdf:Description> </rdf:RDF>

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