Search Results - "Kampfrath, T"

Antiferromagnetic opto-spintronics by Němec, P., Fiebig, M., Kampfrath, T., Kimel, A. V.

“…Control and detection of spin order in ferromagnetic materials is the main principle enabling magnetic information to be stored and read in current…”
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Efficient metallic spintronic emitters of ultrabroadband terahertz radiation by Seifert, T., Jaiswal, S., Martens, U., Hannegan, J., Braun, L., Maldonado, P., Freimuth, F., Kronenberg, A., Henrizi, J., Radu, I., Beaurepaire, E., Mokrousov, Y., Oppeneer, P. M., Jourdan, M., Jakob, G., Turchinovich, D., Hayden, L. M., Wolf, M., Münzenberg, M., Kläui, M., Kampfrath, T.

“…Terahertz electromagnetic radiation is extremely useful for numerous applications, including imaging and spectroscopy. It is thus highly desirable to have an…”
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Nonlinear spin control by terahertz-driven anisotropy fields by Baierl, S., Hohenleutner, M., Kampfrath, T., Zvezdin, A. K., Kimel, A. V., Huber, R., Mikhaylovskiy, R. V.

“…Non-thermal ultrafast switching of the magnetization in TmFeO 3 is demonstrated. Few-cycle terahertz pulses modify the magnetic anisotropy of the ordered Fe 3+…”
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Emission of coherent THz magnons in an antiferromagnetic insulator triggered by ultrafast spin–phonon interactions by Rongione, E., Gueckstock, O., Mattern, M., Gomonay, O., Meer, H., Schmitt, C., Ramos, R., Kikkawa, T., Mičica, M., Saitoh, E., Sinova, J., Jaffrès, H., Mangeney, J., Goennenwein, S. T. B., Geprägs, S., Kampfrath, T., Kläui, M., Bargheer, M., Seifert, T. S., Dhillon, S., Lebrun, R.

“…Antiferromagnetic materials have been proposed as new types of narrowband THz spintronic devices owing to their ultrafast spin dynamics. Manipulating…”
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Terahertz spin current pulses controlled by magnetic heterostructures by Kampfrath, T., Battiato, M., Maldonado, P., Eilers, G., Nötzold, J., Mährlein, S., Zbarsky, V., Freimuth, F., Mokrousov, Y., Blügel, S., Wolf, M., Radu, I., Oppeneer, P. M., Münzenberg, M.

“…In spin-based electronics, information is encoded by the spin state of electron bunches 1 , 2 , 3 , 4 . Processing this information requires the controlled…”
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Probing the Magnetic Field of Light at Optical Frequencies by Burresi, M, van Oosten, D, Kampfrath, T, Schoenmaker, H, Heideman, R, Leinse, A, Kuipers, L

“…Light is an electromagnetic wave composed of oscillating electric and magnetic fields, the one never occurring without the other. In light-matter interactions…”
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Antenna-coupled spintronic terahertz emitters driven by a 1550 nm femtosecond laser oscillator by Nandi, U., Abdelaziz, M. S., Jaiswal, S., Jakob, G., Gueckstock, O., Rouzegar, S. M., Seifert, T. S., Kläui, M., Kampfrath, T., Preu, S.

“…We demonstrate antenna-coupled spintronic terahertz (THz) emitters excited by 1550 nm, 90 fs laser pulses. Antennas are employed to optimize THz outcoupling…”
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Impact of pump wavelength on terahertz emission of a cavity-enhanced spintronic trilayer by Herapath, R. I., Hornett, S. M., Seifert, T. S., Jakob, G., Kläui, M., Bertolotti, J., Kampfrath, T., Hendry, E.

“…We systematically study the pump-wavelength dependence of terahertz pulse generation in thin-film spintronic THz emitters composed of a ferromagnetic CoFeB…”
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Terahertz Néel spin-orbit torques drive nonlinear magnon dynamics in antiferromagnetic Mn2Au by Behovits, Y., Chekhov, A. L., Bodnar, S. Yu, Gueckstock, O., Reimers, S., Lytvynenko, Y., Skourski, Y., Wolf, M., Seifert, T. S., Gomonay, O., Kläui, M., Jourdan, M., Kampfrath, T.

“…Antiferromagnets have large potential for ultrafast coherent switching of magnetic order with minimum heat dissipation. In materials such as Mn 2 Au and…”
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Terahertz-Driven Nonlinear Spin Response of Antiferromagnetic Nickel Oxide by Baierl, S, Mentink, J H, Hohenleutner, M, Braun, L, Do, T-M, Lange, C, Sell, A, Fiebig, M, Woltersdorf, G, Kampfrath, T, Huber, R

“…Terahertz magnetic fields with amplitudes of up to 0.4 Tesla drive magnon resonances in nickel oxide while the induced dynamics is recorded by femtosecond…”
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Ultrafast Demagnetization of Iron Induced by Optical versus Terahertz Pulses by Chekhov, A. L., Behovits, Y., Heitz, J. J. F., Denker, C., Reiss, D. A., Wolf, M., Weinelt, M., Brouwer, P. W., Münzenberg, M., Kampfrath, T.

“…We study ultrafast magnetization quenching of ferromagnetic iron following excitation by an optical versus a terahertz pump pulse. While the optical pump…”
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Magnetic light-matter interactions in a photonic crystal nanocavity by Burresi, M, Kampfrath, T, van Oosten, D, Prangsma, J C, Song, B S, Noda, S, Kuipers, L

“…We study the magnetic coupling between a metal-coated near-field probe and a photonic crystal nanocavity. The resonance of the nanocavity shifts to shorter…”
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Magnetic field dependence of antiferromagnetic resonance in NiO by Wang, Zhe, Kovalev, S., Awari, N., Chen, Min, Germanskiy, S., Green, B., Deinert, J.-C., Kampfrath, T., Milano, J., Gensch, M.

“…We report on measurements of magnetic field and temperature dependence of antiferromagnetic resonances in the prototypical antiferromagnet NiO. The frequencies…”
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High-Field High-Repetition-Rate Sources for the Coherent THz Control of Matter by Green, B., Kovalev, S., Asgekar, V., Geloni, G., Lehnert, U., Golz, T., Kuntzsch, M., Bauer, C., Hauser, J., Voigtlaender, J., Wustmann, B., Koesterke, I., Schwarz, M., Freitag, M., Arnold, A., Teichert, J., Justus, M., Seidel, W., Ilgner, C., Awari, N., Nicoletti, D., Kaiser, S., Laplace, Y., Rajasekaran, S., Zhang, L., Winnerl, S., Schneider, H., Schay, G., Lorincz, I., Rauscher, A. A., Radu, I., Mährlein, S., Kim, T. H., Lee, J. S., Kampfrath, T., Wall, S., Heberle, J., Malnasi-Csizmadia, A., Steiger, A., Müller, A. S., Helm, M., Schramm, U., Cowan, T., Michel, P., Cavalleri, A., Fisher, A. S., Stojanovic, N., Gensch, M.

“…Ultrashort flashes of THz light with low photon energies of a few meV, but strong electric or magnetic field transients have recently been employed to prepare…”
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Ultrafast dynamics of fluctuations in high-temperature superconductors far from equilibrium by Perfetti, L, Sciolla, B, Biroli, G, van der Beek, C J, Piovera, C, Wolf, M, Kampfrath, T

“…Despite extensive work on high-temperature superconductors, the critical behavior of an incipient condensate has so far been studied exclusively under…”
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Terahertz-Driven Nonlinear Spin Response of Antiferromagnetic Nickel Oxide by Baierl, S., Mentink, J. H., Hohenleutner, M., Braun, L., Do, T.-M., Lange, C., Sell, A., Fiebig, M., Woltersdorf, G., Kampfrath, T., Huber, R.

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Probing ultra-fast processes with high dynamic range at 4th-generation light sources: Arrival time and intensity binning at unprecedented repetition rates by Kovalev, S., Green, B., Golz, T., Maehrlein, S., Stojanovic, N., Fisher, A. S., Kampfrath, T., Gensch, M.

“…Understanding dynamics on ultrafast timescales enables unique and new insights into important processes in the materials and life sciences. In this respect,…”
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Mechanism of the far-infrared absorption of carbon-nanotube films by Kampfrath, T, von Volkmann, K, Aguirre, C M, Desjardins, P, Martel, R, Krenz, M, Frischkorn, C, Wolf, M, Perfetti, L

“…The far-infrared conductivity of single-wall carbon-nanotube ensembles is dominated by a broad absorption peak around 4 THz whose origin is still debated. We…”
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Ultrafast adiabatic manipulation of slow light in a photonic crystal by Kampfrath, T., Beggs, D. M., White, T. P., Melloni, A., Krauss, T. F., Kuipers, L.

“…We demonstrate by experiment and theory that a light pulse propagating through a Si-based photonic-crystal waveguide is adiabatically blueshifted when the…”
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Terahertz coherent control of optically dark paraexcitons in Cu2O by Leinb, S, Kampfrath, T, Volkmann, Kv, Wolf, M, Steiner, J T, Kira, M, Koch, S W, Leitenstorfer, A, Huber, R

“…Intense multiterahertz fields of order megavolts per centimeter are used to coherently promote optically dark and dense paraexcitons in Cu2O from the 1s into…”
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