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Post-compression of multi-millijoule picosecond pulses to few-cycles approaching the terawatt regime

Rajhans, Supriya ; Escoto, Esmerando ; Khodakovskiy, Nikita ; Velpula, Praveen K. ; Farace, Bonaventura ; Grosse-Wortmann, Uwe ; Shalloo, Rob J. ; Arnold, Cord L. LU ; Põder, Kristjan and Osterhoff, Jens , et al. (2023) In Optics Letters 48(18). p.4753-4756
Abstract

Advancing ultrafast high-repetition-rate lasers to shortest pulse durations comprising only a few optical cycles while pushing their energy into the multi-millijoule regime opens a route toward terawatt-class peak powers at unprecedented average power. We explore this route via efficient post-compression of high-energy 1.2 ps pulses from an ytterbium InnoSlab laser to 9.6 fs duration using gas-filled multi-pass cells (MPCs) at a repetition rate of 1 kHz. Employing dual-stage compression with a second MPC stage supporting a close-to-octave-spanning bandwidth enabled by dispersion-matched dielectric mirrors, a record compression factor of 125 is reached at 70% overall efficiency, delivering 6.7 mJ pulses with a peak power of ∼0.3 TW.... (More)

Advancing ultrafast high-repetition-rate lasers to shortest pulse durations comprising only a few optical cycles while pushing their energy into the multi-millijoule regime opens a route toward terawatt-class peak powers at unprecedented average power. We explore this route via efficient post-compression of high-energy 1.2 ps pulses from an ytterbium InnoSlab laser to 9.6 fs duration using gas-filled multi-pass cells (MPCs) at a repetition rate of 1 kHz. Employing dual-stage compression with a second MPC stage supporting a close-to-octave-spanning bandwidth enabled by dispersion-matched dielectric mirrors, a record compression factor of 125 is reached at 70% overall efficiency, delivering 6.7 mJ pulses with a peak power of ∼0.3 TW. Moreover, we show that post-compression can improve the temporal contrast at multi-picosecond delay by at least one order of magnitude. Our results demonstrate efficient conversion of multi-millijoule picosecond lasers to high-peak-power few-cycle sources, prospectively opening up new parameter regimes for laser plasma physics, high energy physics, biomedicine, and attosecond science.

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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Optics Letters
volume
48
issue
18
pages
4 pages
publisher
Optical Society of America
external identifiers
  • scopus:85171232438
  • pmid:37707894
ISSN
0146-9592
DOI
10.1364/OL.498042
language
English
LU publication?
yes
additional info
Publisher Copyright: © 2023 Optica Publishing Group.
id
2687eae0-0da6-4cfe-8645-fdaf144ae0a4
date added to LUP
2024-01-12 11:20:24
date last changed
2024-04-27 06:43:23
@article{2687eae0-0da6-4cfe-8645-fdaf144ae0a4,
  abstract     = {{<p>Advancing ultrafast high-repetition-rate lasers to shortest pulse durations comprising only a few optical cycles while pushing their energy into the multi-millijoule regime opens a route toward terawatt-class peak powers at unprecedented average power. We explore this route via efficient post-compression of high-energy 1.2 ps pulses from an ytterbium InnoSlab laser to 9.6 fs duration using gas-filled multi-pass cells (MPCs) at a repetition rate of 1 kHz. Employing dual-stage compression with a second MPC stage supporting a close-to-octave-spanning bandwidth enabled by dispersion-matched dielectric mirrors, a record compression factor of 125 is reached at 70% overall efficiency, delivering 6.7 mJ pulses with a peak power of ∼0.3 TW. Moreover, we show that post-compression can improve the temporal contrast at multi-picosecond delay by at least one order of magnitude. Our results demonstrate efficient conversion of multi-millijoule picosecond lasers to high-peak-power few-cycle sources, prospectively opening up new parameter regimes for laser plasma physics, high energy physics, biomedicine, and attosecond science.</p>}},
  author       = {{Rajhans, Supriya and Escoto, Esmerando and Khodakovskiy, Nikita and Velpula, Praveen K. and Farace, Bonaventura and Grosse-Wortmann, Uwe and Shalloo, Rob J. and Arnold, Cord L. and Põder, Kristjan and Osterhoff, Jens and Leemans, Wim P. and Hartl, Ingmar and Heyl, Christoph M.}},
  issn         = {{0146-9592}},
  language     = {{eng}},
  month        = {{09}},
  number       = {{18}},
  pages        = {{4753--4756}},
  publisher    = {{Optical Society of America}},
  series       = {{Optics Letters}},
  title        = {{Post-compression of multi-millijoule picosecond pulses to few-cycles approaching the terawatt regime}},
  url          = {{http://dx.doi.org/10.1364/OL.498042}},
  doi          = {{10.1364/OL.498042}},
  volume       = {{48}},
  year         = {{2023}},
}