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Communication Dans Un Congrès Année : 2023

Ultrafast Modulation of Polarization in Spintronic THz Emitters Enhanced by Field Induced Spin Reorientation Transition

Résumé

We demonstrate an efficient and simple modulation of the polarization in Spin-tronic Terahertz Emitters, by rapid switching of the magnetization using high-frequency magnetic field, enhanced by field induced Spin Reorientation Transition (SRT). The instability of the magnetic layer at the transition allows for a higher sensitivity of the magne-tization and an efficient switching at lower power of the polarization at frequencies up to 100kHz.
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Dates et versions

hal-04308497 , version 1 (27-11-2023)

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Geoffrey Lezier, Pierre Koleják, Jean-Francois Lampin, Kamil Postava, Mathias Vanwolleghem, et al.. Ultrafast Modulation of Polarization in Spintronic THz Emitters Enhanced by Field Induced Spin Reorientation Transition. CLEO: Science and Innovations, 2023, San Jose, United States. pp.SF2I.4, ⟨10.1364/CLEO_SI.2023.SF2I.4⟩. ⟨hal-04308497⟩
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