Journal ArticleDOI
90 GW peak power few-cycle mid-infrared pulses from an optical parametric amplifier
Giedrius Andriukaitis,T. Balčiūnas,Skirmantas Alisauskas,Audrius Pugžlys,Andrius Baltuška,Tenio Popmintchev,Ming-Chang Chen,Margaret M. Murnane,Henry C. Kapteyn +8 more
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TLDR
A compact 20 Hz repetition-rate mid-IR OPCPA system operating at a central wavelength of 3900 nm with the tail-to-tail spectrum extending over 600 nm and delivering 8 mJ pulses that are compressed to 83 fs opens a range of unprecedented opportunities for tabletop ultrafast science.Abstract:
We demonstrate a compact 20 Hz repetition-rate mid-IR OPCPA system operating at a central wavelength of 3900 nm with the tail-to-tail spectrum extending over 600 nm and delivering 8 mJ pulses that are compressed to 83 fs (<7 optical cycles). Because of the long optical period (∼13 fs) and a high peak power, the system opens a range of unprecedented opportunities for tabletop ultrafast science and is particularly attractive as a driver for a highly efficient generation of ultrafast coherent x-ray continua for biomolecular and element specific imaging.read more
Citations
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Journal ArticleDOI
Attosecond state-resolved carrier motion in quantum materials probed by soft x-ray XANES
Barbara Buades,Antonio Picón,Antonio Picón,Emma Berger,Emma Berger,Iker Leon,Nicola Di Palo,Seth L. Cousin,Caterina Cocchi,Eric Pellegrin,Javier Herrero Martin,Samuel Mañas-Valero,Eugenio Coronado,Thomas Danz,Claudia Draxl,Mitsuharu Uemoto,Kazuhiro Yabana,Martin Schultze,Simon Wall,Michael Zürch,Michael Zürch,Michael Zürch,Jens Biegert,Jens Biegert +23 more
TL;DR: In this article, the state-of-the-art on isolated attosecond soft x-ray pulses for xray absorption near-edge spectroscopy was demonstrated for the semi-metal TiS2.
Journal ArticleDOI
Frequency-tunable sub-two-cycle 60-MW-peak-power free-space waveforms in the mid-infrared.
TL;DR: A physical scenario whereby freely propagating mid-infrared pulses can be compressed to pulse widths close to the field cycle is identified and self-focusing-assisted spectral broadening in a normally dispersive, highly nonlinear semiconductor material is demonstrated.
Journal ArticleDOI
Parametric generation and characterization of femtosecond mid-infrared pulses in ZnGeP_2
TL;DR: This work reports on the production of >50 µJ femtosecond pulses centered at 5 µm in a two-stage optical parametric amplifier (OPA) based on ZnGeP2, a high-performance optical material in this spectral region.
Journal ArticleDOI
Broadband, efficient, and robust quasi-parametric chirped-pulse amplification.
Jingui Ma,Jing Wang,Bingjie Zhou,Peng Yuan,Guoqiang Xie,Kainan Xiong,Yanqing Zheng,Heyuan Zhu,Liejia Qian +8 more
TL;DR: It is demonstrated that QPCPA can break through the trade-off between the efficiency and bandwidth encountered in conventional optical parametric amplification, hence supporting highly efficient amplification of few-cycle pulses.
Journal ArticleDOI
Optical parametric amplification of carrier-envelope phase-stabilized mid-infrared pulses generated by intra-pulse difference frequency generation.
TL;DR: A wavelength-tunable optical parametric amplifier from 2.7 to 3.8 μm seeded with carrier-envelope phase (CEP) stabilized pulses generated by intra-pulse difference frequency generation (DFG) using a commercial Yb:KGW chirped-p Pulse amplifier is reported on.
References
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Journal ArticleDOI
The attosecond nonlinear optics of bright coherent X-ray generation
TL;DR: In this paper, the Roentgen X-ray tube was used for high-order harmonic generation with small-scale femtosecond laser technology, which combines the microscopic attosecond science of atoms driven by intense laser fields with the macroscopic extreme nonlinear optics of phase matching.
Journal ArticleDOI
Infrared Two-Color Multicycle Laser Field Synthesis for Generating an Intense Attosecond Pulse
TL;DR: The proposed method enables the requirements for the pump pulse duration to be relaxed but also to reduce ionization of the harmonic medium, which opens the door to create an intense isolated attosecond pulse using a conventional femtosecond laser system.
Journal ArticleDOI
Mid-IR short-pulse OPCPA with micro-Joule energy at 100kHz
TL;DR: A novel mid-IR source based on optical parametric chirped pulse amplification (OPCPA) generating 96 fs pulses (9.0 cycles) at 3.2 mm with an energy of 1.2 microJ, at a repetition rate of 100 kHz is presented.
Journal ArticleDOI
Self-compression of millijoule 1.5 microm pulses.
Oliver D. Mücke,Skirmantas Alisauskas,Aart J. Verhoef,Audrius Pugžlys,Andrius Baltuška,Valerijus Smilgevičius,J. Pocius,L. Giniūnas,Romualdas Danielius,Nicolas Forget +9 more
TL;DR: In this article, the authors demonstrate a four-stage optical parametric chirped-pulse amplification system that delivers carrier-envelope phase-stable approximately 1.5 microm pulses with energies up to 12.5 mJ before recompression.
Journal ArticleDOI
Efficient continuum generation exceeding 200 eV by intense ultrashort two-color driver.
Francesca Calegari,Caterina Vozzi,Matteo Negro,Giuseppe Sansone,Fabio Frassetto,Luca Poletto,Paolo Villoresi,M. Nisoli,S. De Silvestri,Salvatore Stagira +9 more
TL;DR: Results indicate the possibility to produce bright attosecond pulses approaching the soft X spectral region and contribute to significantly extending the harmonic emission to higher photon energies, whereas the VIS pulse improves the conversion efficiency of the process.
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Bright Coherent Ultrahigh Harmonics in the keV X-ray Regime from Mid-Infrared Femtosecond Lasers
Tenio Popmintchev,Ming-Chang Chen,Dimitar Popmintchev,Paul Arpin,Susannah Brown,Skirmantas Alisauskas,Giedrius Andriukaitis,Tadas Balciunas,Oliver D. Mücke,Audrius Pugzlys,Andrius Baltuška,Bonggu Shim,Samuel E. Schrauth,Alexander L. Gaeta,Carlos Hernandez-Garcia,Luis Plaja,Andreas Becker,Agnieszka Jaron-Becker,Margaret M. Murnane,Henry C. Kapteyn +19 more