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Nonlinear spin control by terahertz-driven anisotropy fields

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Nonlinear spin control by terahertz-driven anisotropy fields. / Baierl, S.; Hohenleutner, M.; Kampfrath, T.; Zvezdin, A. K.; Kimel, Alexey V.; Huber, Rupert; Mikhaylovskiy, Rostislav.

In: Nature Photonics, Vol. 10, 03.10.2016, p. 715–718.

Research output: Contribution to journalLetterpeer-review

Harvard

Baierl, S, Hohenleutner, M, Kampfrath, T, Zvezdin, AK, Kimel, AV, Huber, R & Mikhaylovskiy, R 2016, 'Nonlinear spin control by terahertz-driven anisotropy fields', Nature Photonics, vol. 10, pp. 715–718. https://doi.org/10.1038/nphoton.2016.181

APA

Baierl, S., Hohenleutner, M., Kampfrath, T., Zvezdin, A. K., Kimel, A. V., Huber, R., & Mikhaylovskiy, R. (2016). Nonlinear spin control by terahertz-driven anisotropy fields. Nature Photonics, 10, 715–718. https://doi.org/10.1038/nphoton.2016.181

Vancouver

Baierl S, Hohenleutner M, Kampfrath T, Zvezdin AK, Kimel AV, Huber R et al. Nonlinear spin control by terahertz-driven anisotropy fields. Nature Photonics. 2016 Oct 3;10:715–718. https://doi.org/10.1038/nphoton.2016.181

Author

Baierl, S. ; Hohenleutner, M. ; Kampfrath, T. ; Zvezdin, A. K. ; Kimel, Alexey V. ; Huber, Rupert ; Mikhaylovskiy, Rostislav. / Nonlinear spin control by terahertz-driven anisotropy fields. In: Nature Photonics. 2016 ; Vol. 10. pp. 715–718.

Bibtex

@article{91747bd03ab540df81a22aa9f6a10e36,
title = "Nonlinear spin control by terahertz-driven anisotropy fields",
abstract = "Future information technologies, such as ultrafast data recording, quantum computation or spintronics, call for ever faster spin control by light. Intense terahertz pulses can couple to spins on the intrinsic energy scale of magnetic excitations. Here, we explore a novel electric dipole-mediated mechanism of nonlinear terahertz-spin coupling that is much stronger than linear Zeeman coupling to the terahertz magnetic field. Using the prototypical antiferromagnet thulium orthoferrite (TmFeO3), we demonstrate that resonant terahertz pumping of electronic orbital transitions modifies the magnetic anisotropy for ordered Fe3+ spins and triggers large-amplitude coherent spin oscillations. This mechanism is inherently nonlinear, it can be tailored by spectral shaping of the terahertz waveforms and its efficiency outperforms the Zeeman torque by an order of magnitude. Because orbital states govern the magnetic anisotropy in all transition-metal oxides, the demonstrated control scheme is expected to be applicable to many magnetic materials.",
keywords = "terahertz, antiferromagnets, nonlinear, magneto-optics, ultrafast",
author = "S. Baierl and M. Hohenleutner and T. Kampfrath and Zvezdin, {A. K.} and Kimel, {Alexey V.} and Rupert Huber and Rostislav Mikhaylovskiy",
year = "2016",
month = oct,
day = "3",
doi = "10.1038/nphoton.2016.181",
language = "English",
volume = "10",
pages = "715–718",
journal = "Nature Photonics",
issn = "1749-4885",
publisher = "Nature Publishing Group",

}

RIS

TY - JOUR

T1 - Nonlinear spin control by terahertz-driven anisotropy fields

AU - Baierl, S.

AU - Hohenleutner, M.

AU - Kampfrath, T.

AU - Zvezdin, A. K.

AU - Kimel, Alexey V.

AU - Huber, Rupert

AU - Mikhaylovskiy, Rostislav

PY - 2016/10/3

Y1 - 2016/10/3

N2 - Future information technologies, such as ultrafast data recording, quantum computation or spintronics, call for ever faster spin control by light. Intense terahertz pulses can couple to spins on the intrinsic energy scale of magnetic excitations. Here, we explore a novel electric dipole-mediated mechanism of nonlinear terahertz-spin coupling that is much stronger than linear Zeeman coupling to the terahertz magnetic field. Using the prototypical antiferromagnet thulium orthoferrite (TmFeO3), we demonstrate that resonant terahertz pumping of electronic orbital transitions modifies the magnetic anisotropy for ordered Fe3+ spins and triggers large-amplitude coherent spin oscillations. This mechanism is inherently nonlinear, it can be tailored by spectral shaping of the terahertz waveforms and its efficiency outperforms the Zeeman torque by an order of magnitude. Because orbital states govern the magnetic anisotropy in all transition-metal oxides, the demonstrated control scheme is expected to be applicable to many magnetic materials.

AB - Future information technologies, such as ultrafast data recording, quantum computation or spintronics, call for ever faster spin control by light. Intense terahertz pulses can couple to spins on the intrinsic energy scale of magnetic excitations. Here, we explore a novel electric dipole-mediated mechanism of nonlinear terahertz-spin coupling that is much stronger than linear Zeeman coupling to the terahertz magnetic field. Using the prototypical antiferromagnet thulium orthoferrite (TmFeO3), we demonstrate that resonant terahertz pumping of electronic orbital transitions modifies the magnetic anisotropy for ordered Fe3+ spins and triggers large-amplitude coherent spin oscillations. This mechanism is inherently nonlinear, it can be tailored by spectral shaping of the terahertz waveforms and its efficiency outperforms the Zeeman torque by an order of magnitude. Because orbital states govern the magnetic anisotropy in all transition-metal oxides, the demonstrated control scheme is expected to be applicable to many magnetic materials.

KW - terahertz

KW - antiferromagnets

KW - nonlinear

KW - magneto-optics

KW - ultrafast

U2 - 10.1038/nphoton.2016.181

DO - 10.1038/nphoton.2016.181

M3 - Letter

VL - 10

SP - 715

EP - 718

JO - Nature Photonics

JF - Nature Photonics

SN - 1749-4885

ER -