Article (Scientific journals)
Sub-three-cycle pulses at 2 µm from a degenerate optical parametric amplifier.
KELLER, Kilian Richard; Budweg, Arne; ALLERBECK, Jonas et al.
2022In Optics Letters, 47 (7), p. 1594 - 1597
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Keywords :
Ultrafast science, nonlinear optics, femtosecond optical pulses
Abstract :
[en] In this work we present a compact two-stage optical parametric amplifier (OPA) pumped at degeneracy by the fundamental of a Yb:KGW laser system. The output pulses span from 1.7 to 2.5 µm (120-176 THz) and are compressed to a sub-20 fs duration. This parametric amplifier exploits the broad phase-matching bandwidth at the degeneracy point in bismuth triborate (BiBO) and periodically poled lithium tantalate (PPLT). The result drastically expands the availability of ultrashort pulses with few-microjoule energy from near-infrared (NIR) to even longer wavelengths in the mid-infrared (MIR) spectral region.
Disciplines :
Physics
Author, co-author :
KELLER, Kilian Richard ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS)
Budweg, Arne
ALLERBECK, Jonas ;  University of Luxembourg > Faculty of Science, Technology and Medicine > Department of Physics and Materials Science > Team Daniele BRIDA
BRIDA, Daniele ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS)
External co-authors :
yes
Language :
English
Title :
Sub-three-cycle pulses at 2 µm from a degenerate optical parametric amplifier.
Publication date :
01 April 2022
Journal title :
Optics Letters
ISSN :
0146-9592
eISSN :
1539-4794
Publisher :
Optical Society of America, Us ny
Volume :
47
Issue :
7
Pages :
1594 - 1597
Peer reviewed :
Peer Reviewed verified by ORBi
Focus Area :
Physics and Materials Science
Available on ORBilu :
since 06 December 2023

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