Search Results - "H. C. Kapteyn"

Bright, coherent, ultrafast soft X-ray harmonics spanning the water window from a tabletop light source by Chen, M-C, Arpin, P, Popmintchev, T, Gerrity, M, Zhang, B, Seaberg, M, Popmintchev, D, Murnane, M M, Kapteyn, H C

“…We demonstrate fully phase-matched high harmonic emission spanning the water window spectral region important for nano- and bioimaging and a breadth of…”
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Zeptosecond high harmonic keV x-ray waveforms driven by midinfrared laser pulses by Hernández-García, C, Pérez-Hernández, J A, Popmintchev, T, Murnane, M M, Kapteyn, H C, Jaron-Becker, A, Becker, A, Plaja, L

“…We demonstrate theoretically that the temporal structure of high harmonic x-ray pulses generated with midinfrared lasers differs substantially from those…”
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Self-amplified photo-induced gap quenching in a correlated electron material by Mathias, S., Eich, S., Urbancic, J., Michael, S., Carr, A. V., Emmerich, S., Stange, A., Popmintchev, T., Rohwer, T., Wiesenmayer, M., Ruffing, A., Jakobs, S., Hellmann, S., Matyba, P., Chen, C., Kipp, L., Bauer, M., Kapteyn, H. C., Schneider, H. C., Rossnagel, K., Murnane, M. M., Aeschlimann, M.

“…Capturing the dynamic electronic band structure of a correlated material presents a powerful capability for uncovering the complex couplings between the…”
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Ultrafast optically induced spin transfer in ferromagnetic alloys by Hofherr, M, Häuser, S, Dewhurst, J K, Tengdin, P, Sakshath, S, Nembach, H T, Weber, S T, Shaw, J M, Silva, T J, Kapteyn, H C, Cinchetti, M, Rethfeld, B, Murnane, M M, Steil, D, Stadtmüller, B, Sharma, S, Aeschlimann, M, Mathias, S

“…The vision of using light to manipulate electronic and spin excitations in materials on their fundamental time and length scales requires new approaches in…”
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Probing and controlling non-Born–Oppenheimer dynamics in highly excited molecular ions by Zhou, X., Ranitovic, P., Hogle, C. W., Eland, J. H. D., Kapteyn, H. C., Murnane, M. M.

“…In the extreme ultraviolet and soft-X-ray regions of the spectrum, light–matter interaction is dominated by photoionization. In molecular systems, the sudden…”
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Shaped-pulse optimization of coherent emission of high-harmonic soft X-rays by Kapteyn, H. C, Bartels, R, Backus, S, Zeek, E, Misoguti, L, Vdovin, G, Christov, I. P, Murnane, M. M

“…When an intense laser pulse is focused into a gas, the light-atom interaction that occurs as atoms are ionized results in an extremely nonlinear optical…”
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Control of electron localization in deuterium molecular ions using an attosecond pulse train and a many-cycle infrared pulse by Singh, K P, He, F, Ranitovic, P, Cao, W, De, S, Ray, D, Chen, S, Thumm, U, Becker, A, Murnane, M M, Kapteyn, H C, Litvinyuk, I V, Cocke, C L

“…We demonstrate an experimental control of electron localization in deuterium molecular ions created and dissociated by the combined action of an attosecond…”
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Attosecond Coherent Control of Single and Double Photoionization in Argon by Hogle, C W, Tong, X M, Martin, L, Murnane, M M, Kapteyn, H C, Ranitovic, P

“…Ultrafast high harmonic beams provide new opportunities for coherently controlling excitation and ionization processes in atoms, molecules, and materials on…”
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Quasi-phase-matched generation of coherent extreme-ultraviolet light by Murnane, M. M, Paul, A, Bartels, R. A, Tobey, R, Green, H, Weiman, S, Christov, I. P, Kapteyn, H. C, Backus, S

“…High-harmonic generation is a well-known method of producing coherent extreme-ultraviolet (EUV) light, with photon energies up to about 0.5 keV (refs 1, 2)…”
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Group velocity matching in high-order harmonic generation driven by mid-infrared lasers by Hernández-García, C, Popmintchev, T, Murnane, M M, Kapteyn, H C, Plaja, L, Becker, A, Jaron-Becker, A

“…We analyze the role of group-velocity matching (GVM) in the macroscopic build up of the high-harmonic signal generated in gas targets at high pressures. A…”
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Laser-assisted photoelectric effect from surfaces by Miaja-Avila, L, Lei, C, Aeschlimann, M, Gland, J L, Murnane, M M, Kapteyn, H C, Saathoff, G

“…We report the first observation of the laser-assisted photoelectric effect from a solid surface. By illuminating a Pt(111) sample simultaneously with…”
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Controlling the XUV transparency of helium using two-pathway quantum interference by Ranitovic, P, Tong, X M, Hogle, C W, Zhou, X, Liu, Y, Toshima, N, Murnane, M M, Kapteyn, H C

“…Atoms irradiated with combined femtosecond laser and extreme ultraviolet (XUV) fields ionize through multiphoton processes, even when the energy of the XUV…”
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Characterizing isolated attosecond pulses from hollow-core waveguides using multi-cycle driving pulses by Thomann, I, Bahabad, A, Liu, X, Trebino, R, Murnane, M M, Kapteyn, H C

“…The generation of attosecond-duration light pulses using the high-order harmonic generation process is a rapidly evolving area of research. In this work, we…”
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Extracting continuum electron dynamics from high harmonic emission from molecules by Lock, R M, Ramakrishna, S, Zhou, X, Kapteyn, H C, Murnane, M M, Seideman, T

“…We show that high harmonic generation is the most sensitive probe of rotational wave packet revivals, revealing very high-order rotational revivals for the…”
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Phase modulation of ultrashort light pulses using molecular rotational wave packets by Bartels, R A, Weinacht, T C, Wagner, N, Baertschy, M, Greene, Chris H, Murnane, M M, Kapteyn, H C

“…We demonstrate experimentally how the time-dependent phase modulation induced by molecular rotational wave packets can manipulate the phase and spectral…”
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Time-resolved X-Ray diffraction from coherent phonons during a laser-induced phase transition by Lindenberg, AM, Kang, I, I, Johnson, SL, Missalla, T, Heimann, PA, Chang, Z, Larsson, J, Bucksbaum, PH, Kapteyn, HC, Padmore, HA, Lee, RW, Wark, JS, Falcone, RW

“…Time-resolved x-ray diffraction with picosecond temporal resolution is used to observe scattering from impulsively generated coherent acoustic phonons in…”
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Spatially coherent, phase matched, high-order harmonic EUV beams at 50 kHz by Chen, M-C, Gerrity, M R, Backus, S, Popmintchev, T, Zhou, X, Arpin, P, Zhang, X, Kapteyn, H C, Murnane, M M

“…By focusing a high repetition rate (50 kHz), compact, femtosecond laser system with low pulse energy (25 muJ) using a tight-focusing geometry, we demonstrate…”
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Experimental setup for low-energy laser-based angle resolved photoemission spectroscopy by Koralek, J D, Douglas, J F, Plumb, N C, Griffith, J D, Cundiff, S T, Kapteyn, H C, Murnane, M M, Dessau, D S

“…A laser-based angle resolved photoemission (ARPES) system utilizing 6 eV photons from the fourth harmonic of a mode-locked Ti:sapphire oscillator is described…”
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IR-assisted ionization of helium by attosecond extreme ultraviolet radiation by Ranitovic, P, Tong, X M, Gramkow, B, De, S, DePaola, B, Singh, K P, Cao, W, Magrakvelidze, M, Ray, D, Bocharova, I, Mashiko, H, Sandhu, A, Gagnon, E, Murnane, M M, Kapteyn, HC, Litvinyuk, I, Cocke, C L

“…Attosecond science has opened up the possibility of manipulating electrons on their fundamental timescales. Here, we use both theory and experiment to…”
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Phase-Coherent Optical Pulse Synthesis from Separate Femtosecond Lasers by Shelton, Robert K., Ma, Long-Sheng, Kapteyn, Henry C., Murnane, Margaret M., Hall, John L., Ye, Jun

“…We generated a coherently synthesized optical pulse from two independent mode-locked femtosecond lasers, providing a route to extend the coherent bandwidth…”
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