Toward single attosecond pulses using harmonic emission from solid-density plasmas

Heissler, Patrick; Hörlein, Rainer; Stafe, Mihai; Mikhailova, Julia M.; Nomura, Yutaka; Herrmann, Daniel; Tautz, Raphael; Rykovanov, S. G.; Földeş, I; Varjú, Katalin; Tavella, F.; Marcinkevičius, Andrius; Krausz, Ferenc; Veisz, László; Tsakiris, George D.

doi:10.1007/s00340-010-4281-6

Cited by 31 publications

(27 citation statements)

References 32 publications

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“…1b-c) and that even subtle changes in the subcycle charge dynamics induced by different NIR waveforms can lead to dramatic changes in the measured XUV spectrum ( Fig. 1d) [12].…”

Section: Coherent Wake Emissionmentioning

confidence: 92%

“…To demonstrate this, we developed a simple model, inspired from the one developed in [18] and similar to the one described in [12], which gives direct insight into the measurements of emitted by the background plasma oscillations. Because in CWE, the shape of the attosecond pulse is almost independent of the amplitude of the light wave, the time structure of the APT is almost exclusively determined by the relative timing of XUV emission from one wave cycle to the next (Fig.…”

Section: Collective Attosecond Electron Dynamicsmentioning

confidence: 99%

“…using tailored waveforms of extreme intensity light to steer the collective motion of high-energy plasma electrons, will open brand new perspectives for imaging ultrafast charge dynamics during extreme intensity laser-plasma interactions. First experiments have already highlighted the need for waveform control when trying to reproducibly guide attosecond electronic processes in plasmas with intense few-cycle light fields [12]. For the first time, we use fully controlled few-cycle near-infrared (NIR) light fields of extreme intensity (10 18 W/cm 2 ) to reproducibly launch and probe collective electron motion at the interface between vacuum and a solid-density plasma with attosecond precision (Fig.…”

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confidence: 99%

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Attosecond control of collective electron motion in plasmas

et al. 2012

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Today, light fields of controlled and measured waveform can be used to guide electron motion in atoms and molecules with attosecond precision. Here, we demonstrate attosecond control of collective electron motion in plasmas driven by extreme intensity (≈ 10 18 W/cm 2 ) light fields.Controlled few-cycle near-infrared light waves are tightly focused at the interface between vacuum and a solid-density plasma, where they launch and guide subcycle motion of electrons from the plasma with characteristic energies in the multi-kiloelectronvolt range -two orders of magnitude more than what has been achieved so far in atoms and molecules. Basic spectroscopy of the coherent extreme ultraviolet radiation emerging from the light-plasma interaction allows us to probe this collective motion of charge with sub-100-attosecond resolution. This is an important step towards attosecond control of charge dynamics in laser-driven plasma experiments.Two major trends can nowadays be identified in the interaction of ultrashort laser pulses with matter. On the one hand, ultrahigh light intensities provided by multi-terawatt femtosecond lasers can be used to drive collective electron motion in plasmas up to the 0.1-1 gigaelectronvolt energy range [1], opening the way to very compact laser-based particle accelerators for nuclear and medical applications [2]. On the other hand, controlled few-cycle light waves can be used at moderate intensities to drive and probe the attosecond dynamics of few-electron motion in atoms [3,4,5,6], molecules [7,8] and condensed matter [9,10] -with typical energies * These authors contributed equally to this work. 1ranging between tens to a few hundred electronvolts [11]. Merging these two trends, i.e. using tailored waveforms of extreme intensity light to steer the collective motion of high-energy plasma electrons, will open brand new perspectives for imaging ultrafast charge dynamics during extreme intensity laser-plasma interactions. First experiments have already highlighted the need for waveform control when trying to reproducibly guide attosecond electronic processes in plasmas with intense few-cycle light fields [12]. For the first time, we use fully controlled few-cycle near-infrared (NIR) light fields of extreme intensity (10 18 W/cm 2 ) to reproducibly launch and probe collective electron motion at the interface between vacuum and a solid-density plasma with attosecond precision (Fig. 1a-b). Light-driven plasma mirrorsWhen an intense femtosecond laser pulse interacts with a solid, its rising edge strongly ionizes the surface atoms, creating a layer of plasma with near-solid electronic density (∼ 10 23 cm −3 ), which becomes highly reflectivea so-called plasma mirror -for light at wavelengths greater than a few tens of nanometers [13,14,15,16,17].During the interaction with the pulse, the plasma layer can only expand by a small fraction of the optical laser wavelength, λL, which leads to the formation of a very sharp interface with vacuum extending over a distance λL (Fig. 1b), typically of the order o...

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“…1b-c) and that even subtle changes in the subcycle charge dynamics induced by different NIR waveforms can lead to dramatic changes in the measured XUV spectrum ( Fig. 1d) [12].…”

Section: Coherent Wake Emissionmentioning

confidence: 92%

Section: Collective Attosecond Electron Dynamicsmentioning

confidence: 99%

mentioning

confidence: 99%

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Attosecond control of collective electron motion in plasmas

et al. 2012

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“…The harmonic emission emanating from the interaction of intense laser pulses with solid-density plasma is due to two main mechanisms. For relatively low laser intensities, the so-called coherent wake emission mechanism (CWE) dominates [11,12]. Under these circumstances, it has been recently demonstrated that the harmonic emission leads to temporal bunching with attosecond pulse durations [13,14].…”

Section: Introductionmentioning

confidence: 99%

Multi-μJ harmonic emission energy from laser-driven plasma

et al. 2014

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“…In fact, the field has become a focus of research in the nonlinear optics of HHG. Compared to HHG from noble gases, HHG from plasma surfaces [10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28] does not subject to the limitation of maximum applied laser intensity and can thus use the state-of-the-art terawatt and petawatt laser technology, which will improve attosecond pulse energy, making it potentially useful to pump-probe experiments [29]. There is a strong motivation to seek circularly polarized attosecond XUV light source by HHG from plasma surfaces.…”

Section: Introductionmentioning

confidence: 99%

Intense circularly polarized attosecond pulse generation from relativistic laser plasmas using few-cycle laser pulses

Ma¹,

Yu²,

Yu³

et al. 2016

Opt. Express

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Abstract:We have investigated the polarization of attosecond light pulses generated from relativistic few-cycle laser pulse interaction with the surface of overdense plasmas using particle-in-cell simulation. Under suitable conditions, a desired polarization state of the generated attosecond pulse can be achieved by controlling the polarization of the incident laser. In particular, an elliptically polarized laser pulse of suitable ellipticity can generate an almost circularly polarized attosecond pulse without compromising the harmonic generation efficiency. The process is thus applicable as a new tabletop circularly-polarized XUV radiation source for probing attosecond phenomena with high temporal resolution. 8, 616-622 (2012). 2. I. Gierz, M. Lindroos, H. Höchst, C. R. Ast, and K. Kern, "Graphene sublattice symmetry and isospin determined by circular dichroism in angle-resolved photoemission spectroscopy," Nano Lett. 12, 3900-3904 (2012). 3. G. Schütz, M. Knülle, and H. Ebert, "Magnetic circular x-ray dichroism and its relation to local moments," Phys. Scripta 1993Scripta , 302 (1993 Phys. Rev. E 74, 065401 (2006). 22. K. Gál and S. Varró, "Polarization properties of high harmonics generated on solid surfaces," Opt. Commun. 198, 419 -431 (2001). 23. G. Veres, J. S. Bakos, I. B. Földes, K. Gál, Z. Juhász, G. Kocsis, and S. Szatmári, "Polarization of harmonics generated by ultrashort krf-laser pulses on solid surfaces," EPL 48, 390 (1999). 24. P. Gibbon, "Harmonic generation by femtosecond laser-solid interaction: A coherent "water-window" light source?" Phys. Rev. Lett. 76, 50-53 (1996). 25. L. A. Gizzi, D. Giulietti, A. Giulietti, P. Audebert, S. Bastiani, J. P. Geindre, and A. Mysyrowicz, "Simultaneous measurements of hard x rays and second-harmonic emission in fs laser-target interactions," Phys. Rev. Lett. 76, 2278Lett. 76, -2281Lett. 76, (1996

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Toward single attosecond pulses using harmonic emission from solid-density plasmas

Cited by 31 publications

References 32 publications

Attosecond control of collective electron motion in plasmas

Attosecond control of collective electron motion in plasmas

Multi-μJ harmonic emission energy from laser-driven plasma

Intense circularly polarized attosecond pulse generation from relativistic laser plasmas using few-cycle laser pulses

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