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Efficient metallic ...
Efficient metallic spintronic emitters of ultrabroadband terahertz radiation
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- Seifert, T. (author)
- Fritz Haber Inst Max Planck Soc, Dept Phys Chem, D-14195 Berlin, Germany.
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- Jaiswal, S. (author)
- Johannes Gutenberg Univ Mainz, Inst Phys, D-55128 Mainz, Germany.;Singulus Technol AG, D-63796 Kahl Am Main, Germany.
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- Martens, U. (author)
- Ernst Moritz Arndt Univ Greifswald, Inst Phys, D-17489 Greifswald, Germany.
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- Hannegan, J. (author)
- Univ Maryland Baltimore Cty, Dept Phys, Baltimore, MD 21250 USA.
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- Braun, L. (author)
- Fritz Haber Inst Max Planck Soc, Dept Phys Chem, D-14195 Berlin, Germany.
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- Maldonado, Pablo (author)
- Uppsala universitet,Materialteori
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- Freimuth, F. (author)
- Forschungszentrum Julich, Peter Grunberg Inst, D-52425 Julich, Germany.;Forschungszentrum Julich, Inst Adv Simulat, D-52425 Julich, Germany.;JARA, D-52425 Julich, Germany.
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- Kronenberg, A. (author)
- Johannes Gutenberg Univ Mainz, Inst Phys, D-55128 Mainz, Germany.
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- Henrizi, J. (author)
- Johannes Gutenberg Univ Mainz, Inst Phys, D-55128 Mainz, Germany.
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- Radu, I. (author)
- Tech Univ Berlin, Inst Opt & Atom Phys, D-12489 Berlin, Germany.;Helmholtz Zentrum Berlin Mat & Energie, D-12489 Berlin, Germany.
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- Beaurepaire, E. (author)
- Inst Phys & Chim Mat Strasbourg, F-67200 Strasbourg, France.
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- Mokrousov, Y. (author)
- Forschungszentrum Julich, Peter Grunberg Inst, D-52425 Julich, Germany.;Forschungszentrum Julich, Inst Adv Simulat, D-52425 Julich, Germany.;JARA, D-52425 Julich, Germany.
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- Oppeneer, Peter M. (author)
- Uppsala universitet,Materialteori
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- Jourdan, M. (author)
- Johannes Gutenberg Univ Mainz, Inst Phys, D-55128 Mainz, Germany.
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- Jakob, G. (author)
- Johannes Gutenberg Univ Mainz, Inst Phys, D-55128 Mainz, Germany.
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- Turchinovich, D. (author)
- Max Planck Inst Polymer Res, D-55128 Mainz, Germany.
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Hayden, L. M. (author)
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- Wolf, M. (author)
- Fritz Haber Inst Max Planck Soc, Dept Phys Chem, D-14195 Berlin, Germany.
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- Muenzenberg, M. (author)
- Ernst Moritz Arndt Univ Greifswald, Inst Phys, D-17489 Greifswald, Germany.
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- Klaeui, M. (author)
- Johannes Gutenberg Univ Mainz, Inst Phys, D-55128 Mainz, Germany.
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- Kampfrath, T. (author)
- Fritz Haber Inst Max Planck Soc, Dept Phys Chem, D-14195 Berlin, Germany.
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Fritz Haber Inst Max Planck Soc, Dept Phys Chem, D-14195 Berlin, Germany Johannes Gutenberg Univ Mainz, Inst Phys, D-55128 Mainz, Germany.;Singulus Technol AG, D-63796 Kahl Am Main, Germany. (creator_code:org_t)
- 2016
- 2016
- English.
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In: Nature Photonics. - 1749-4885 .- 1749-4893. ; 10:7, s. 483-
- Related links:
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https://doi.org/10.1...
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Abstract
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- Terahertz electromagnetic radiation is extremely useful for numerous applications, including imaging and spectroscopy. It is thus highly desirable to have an efficient table-top emitter covering the 1-30 THz window that is driven by a low-cost, low-power femtosecond laser oscillator. So far, all solid-state emitters solely exploit physics related to the electron charge and deliver emission spectra with substantial gaps. Here, we take advantage of the electron spin to realize a conceptually new terahertz source that relies on three tailored fundamental spintronic and photonic phenomena in magnetic metal multilayers: ultrafast photoinduced spin currents, the inverse spin-Hall effect and a broadband Fabry-Perot resonance. Guided by an analytical model, this spintronic route offers unique possibilities for systematic optimization. We find that a 5.8-nm-thick W/CoFeB/Pt trilayer generates ultrashort pulses fully covering the 1-30 THz range. Our novel source outperforms laser-oscillator-driven emitters such as ZnTe(110) crystals in terms of bandwidth, terahertz field amplitude, flexibility, scalability and cost.
Subject headings
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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To the university's database
- By the author/editor
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Seifert, T.
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Jaiswal, S.
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Martens, U.
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Hannegan, J.
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Braun, L.
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Maldonado, Pablo
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show more...
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Freimuth, F.
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Kronenberg, A.
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Henrizi, J.
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Radu, I.
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Beaurepaire, E.
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Mokrousov, Y.
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Oppeneer, Peter ...
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Jourdan, M.
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Jakob, G.
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Turchinovich, D.
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Hayden, L. M.
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Wolf, M.
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Muenzenberg, M.
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Klaeui, M.
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Kampfrath, T.
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Atom and Molecul ...
- Articles in the publication
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Nature Photonics
- By the university
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Uppsala University