Zobrazeno 1 - 10
of 65
pro vyhledávání: '"Muecke, Oliver D."'
A custom-tailored multi-TW optical electric field for gigawatt soft-x-ray isolated attosecond pulses
Autor:
Xue, Bing, Tamaru, Yuuki, Fu, Yuxi, Yuan, Hua, Lan, Pengfei, Mücke, Oliver D., Suda, Akira, Midorikawa, Katsumi, Takahashi, Eiji J.
Publikováno v:
Ultrafast Science, vol. 2021, Article ID 9828026, 13 pages, 2021
The bottleneck for an attosecond science experiment is concluded to be the lack of a high-peak-power isolated attosecond pulse source. Therefore, currently, generating an intense attosecond pulse would be one of the highest priority goals. In this pa
Externí odkaz:
http://arxiv.org/abs/2104.03625
Publikováno v:
Phys. Rev. B 102, 104308 (2020)
Recent studies have demonstrated that the polarization states of high harmonics from solids can differ from those of the driving pulses. To gain insights on the microscopic origin of this behavior, we perform one-particle intraband-only calculations
Externí odkaz:
http://arxiv.org/abs/2007.03944
Autor:
Xue, Bing, Tamaru, Yuuki, Fu, Yuxi, Yuan, Hua, Lan, Pengfei, Mücke, Oliver D., Suda, Akira, Midorikawa, Katsumi, Takahashi, Eiji J.
Publikováno v:
Sci. Adv. 6, eaay2802 (2020)
A stable 50 mJ three-channel optical waveform synthesizer is demonstrated and used to reproducibly generate a high-order harmonics supercontinuum in the soft-x-ray region. This synthesizer is composed of pump pulses from a 10-Hz-repetition-rate Ti:sa
Externí odkaz:
http://arxiv.org/abs/2003.03002
Autor:
Klemke, Nicolai, Tancogne-Dejean, Nicolas, Rossi, Giulio M., Yang, Yudong, Mainz, Roland E., Di Sciacca, Giuseppe, Rubio, Angel, Kärtner, Franz X., Mücke, Oliver D.
Publikováno v:
Nature Commun. 10:1319 (2019)
Attosecond metrology sensitive to sub-optical-cycle electronic and structural dynamics is opening up new avenues for ultrafast spectroscopy of condensed matter. Using intense lightwaves to precisely control the extremely fast carrier dynamics in crys
Externí odkaz:
http://arxiv.org/abs/1805.10453
Autor:
Ye, Hong, Trippel, Sebastian, Di Fraia, Michele, Fallahi, Arya, Mücke, Oliver D., Kärtner, Franz X., Küpper, Jochen
Publikováno v:
Phys. Rev. Applied 9, 044018 (2018)
A velocity-map-imaging spectrometer is demonstrated to characterize the normalized transverse emittance of photoemitted electron bunches. The two-dimensional (2D) projected velocity distribution images of photoemitted electrons are recorded by the de
Externí odkaz:
http://arxiv.org/abs/1707.06472
Publikováno v:
Nature Communications 8, 745 (2017)
The strong ellipticity dependence of high-harmonic generation in gases enables numerous experimental techniques that are nowadays routinely used, for instance, to create isolated attosecond pulses. Extending such techniques to high-harmonic generatio
Externí odkaz:
http://arxiv.org/abs/1706.02890
Akademický článek
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Publikováno v:
Phys. Rev. Lett. 118, 087403 (2017)
An accurate analytic model describing high-harmonic generation (HHG) in solids is derived. Extensive first-principles simulations within a time-dependent density-functional framework corroborate the conclusions of the model. Our results reveal that:
Externí odkaz:
http://arxiv.org/abs/1609.09298
Autor:
Ravi, Koustuban, Hemmer, Michael, Cirmi, Giovanni, Reichert, Fabian, Schimpf, Damian N., Muecke, Oliver D., Kaertner, Franz X.
A highly efficient, practical approach to high-energy terahertz (THz) generation based on spectrally cascaded optical parametric amplification (THz-COPA) is introduced. The THz wave initially generated by difference frequency generation between a str
Externí odkaz:
http://arxiv.org/abs/1604.08919
Autor:
Wu, Xiaojun, Ravi, Koustuban, Huang, Wenqian Ronny, Zhou, Chun, Zalden, Peter, Rossi, Giulio M., Cirmi, Giovanni, Muecke, Oliver D., Kaertner, Franz X.
We obtained an optical-to-terahertz (THz) energy conversion efficiency of 0.5% using the tilted-pulse-front technique in lithium niobate at a cryogenically cooled temperature of 100 K pumped by amplified Ti:sapphire laser pulses with ~150 fs pulse du
Externí odkaz:
http://arxiv.org/abs/1601.06921