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7th International Conference on Attosecond Science and Technology

1–5 Jul 2019
University of Szeged Congress Centre
Europe/Budapest timezone

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Session

High-harmonic generation in solids and liquids

2 Jul 2019, 08:30
University of Szeged Congress Centre

University of Szeged Congress Centre

Ady Square 10., 6722 Szeged, Hungary

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  1. 313. Fundamentals of High-harmonics from Solids
    Dr Shambhu Ghimire (Stanford PULSE Institute, SLAC National Accelerator Laboratory)
    02/07/2019, 08:30
    invited talks

    This talk provides a brief overview of recent progress in understanding the fundamentals of solid-state HHG. It also includes details of an experiment, where a robust interferometric approach is employed to characterize high-harmonics from bulk crystals.

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  2. 314. Terahertz Lightwave Control of Solids and Single Molecules
    Prof. Rupert Huber (University of Regensburg)
    02/07/2019, 09:00
    invited talks

    We switch the valley pseudospin in monolayer WSe2 and drive all-ballistic Dirac currents on a topological insulator on subcycle scales. A lightwave-driven scanning-tunneling microscope allows for the first-ever femtosecond single-molecule videography and reaction microscopy.

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  3. 34. Generation of EUV Pulses from Liquid Sheets
    Mrs Mary R. Matthews (Imperial College London)
    02/07/2019, 09:30
    oral

    Extreme ultraviolet (EUV) pulses are produced through high-order harmonic generation in few micrometre thick liquid sheets operating in vacuum. The underlying mechanisms, including the extent of generation in liquid rather than surrounding gas, are characterized by scanning a number of laser and target parameters.

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  4. 280. Mapping Electric Fields with Solid-state High Harmonic Generation
    Dr Marco Taucer (National Research Council Canada)
    02/07/2019, 09:45
    oral

    In centrosymmetric materials, even order harmonics that are normally forbidden can be produced in the presence of a symmetry-breaking electric field. This allows optical measurements of fields in semiconductors with high temporal and spatial resolution.

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  5. 249. Ionization-driven Harmonic Generation in Solids
    Dr Anton Husakou (Max Born Institute)
    02/07/2019, 10:00
    oral

    Recently, we have observed the generation of ionization harmonics by irradiating a fused silica sample with an intense (TW/cm$^2$ range) pump laser beam. We established that in our experiments, the conventional mechanism of Brunel-type emission only plays a marginal role in the production of ionization harmonics.

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