Broadband infrared light source by simultaneous parametric down-conversion.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
09 Sep 2021
09 Sep 2021
Historique:
received:
16
06
2021
accepted:
24
08
2021
entrez:
10
9
2021
pubmed:
11
9
2021
medline:
11
9
2021
Statut:
epublish
Résumé
Spontaneous parametric down-conversion is an essential tool for a quantum light source in the infrared region ranging 2-5 µm for the purpose of material identification, chemical analysis, and gas sensing. So far, photon pairs from the process in a nonlinear crystal have low tunability and a narrow spectral range because of the phase-matching condition. Here, we propose a novel type of spontaneous parametric down-conversion processes that overcomes these challenges, where two photon pairs are simultaneously produced in the visible and infrared regions in periodically poled stoichiometric lithium tantalite. It allows broadband and tunable generation of infrared photon pairs that can be employed as an alternative light source for quantum infrared spectroscopy.
Identifiants
pubmed: 34504240
doi: 10.1038/s41598-021-97531-w
pii: 10.1038/s41598-021-97531-w
pmc: PMC8429520
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
17986Informations de copyright
© 2021. The Author(s).
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