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  Optical excitation of Josephson plasma solitons in a cuprate superconductor

Dienst, A., Casandruc, E., Fausti, D., Zhang, L., Eckstein, M., Hoffmann, M. C., et al. (2013). Optical excitation of Josephson plasma solitons in a cuprate superconductor. Nature Materials, 12(6), 535-541. doi:10.1038/nmat3580.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0019-8EA9-6 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-DBE9-B
Genre: Journal Article

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http://dx.doi.org/10.1038/nmat3580 (Publisher version)
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 Creators:
Dienst, A.1, Author
Casandruc, Eliza2, 3, 4, Author              
Fausti, Daniele1, 2, 3, Author              
Zhang, Lijian2, 3, Author              
Eckstein, Martin3, 5, Author              
Hoffmann, Matthias C.2, 3, Author              
Khanna, Vikaran1, Author              
Dean, N.1, Author
Gensch, M.6, Author
Winnerl, S.6, Author
Seidel, W.6, Author
Pyon, S.7, Author
Takayama, T.7, Author
Takagi , H.7, 8, Author
Cavalleri, Andrea1, 2, 3, Author              
Affiliations:
1Department of Physics, Clarendon Laboratory, University of Oxford, Oxford OX1 3PU, UK, ou_persistent22              
2Condensed Matter Dynamics Division, Max Planck Research Department for Structural Dynamics, Department of Physics, University of Hamburg, External Organizations, ou_2173637              
3CFEL, 22761 Hamburg, Germany, ou_persistent22              
4International Max Planck Research School for Ultrafast Imaging & Structural Dynamics (IMPRS-UFAST), Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266714              
5Theory of Correlated Systems out of Equilibrium, Research Groups, Max Planck Research Department for Structural Dynamics, Department of Physics, University of Hamburg, External Organizations, ou_2173641              
6Helmholtz-Zentrum Dresden-Rossendorf, 01328 Dresden, Germany, ou_persistent22              
7Department of Advanced Materials Science, University of Tokyo, 113-8656 Tokyo, Japan, ou_persistent22              
8RIKEN Advanced Science Institute, Hirosawa 2-1, Wako 351-0198, Japan, ou_persistent22              

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Free keywords: Optical, photonic and optoelectronic materials, Superconductors
 Abstract: Josephson plasma waves are linear electromagnetic modes that propagate along the planes of cuprate superconductors, sustained by interlayer tunnelling supercurrents. For strong electromagnetic fields, as the supercurrents approach the critical value, the electrodynamics become highly nonlinear. Josephson plasma solitons (JPSs) are breather excitations predicted in this regime, bound vortex–antivortex pairs that propagate coherently without dispersion. We experimentally demonstrate the excitation of a JPS in La1.84Sr0.16CuO4, using intense narrowband radiation from an infrared free-electron laser tuned to the 2-THz Josephson plasma resonance. The JPS becomes observable as it causes a transparency window in the opaque spectral region immediately below the plasma resonance. Optical control of magnetic-flux-carrying solitons may lead to new applications in terahertz-frequency plasmonics, in information storage and transport and in the manipulation of high-Tc superconductivity.

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Language(s): eng - English
 Dates: 2011-10-242013-01-282013-03-232013-06
 Publication Status: Published in print
 Pages: 7
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1038/nmat3580
 Degree: -

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Title: Nature Materials
  Other : Nat. Mater.
Source Genre: Journal
 Creator(s):
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Publ. Info: -
Pages: - Volume / Issue: 12 (6) Sequence Number: - Start / End Page: 535 - 541 Identifier: ISSN: 1476-1122
CoNE: /journals/resource/111054835734000