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  Bi-directional ultrafast electric-field gating of interlayer charge transport in a cuprate superconductor

Dienst, A., Hoffmann, M. C., Fausti, D., Petersen, J. C., Pyon, S., Takayama, T., et al. (2011). Bi-directional ultrafast electric-field gating of interlayer charge transport in a cuprate superconductor. Nature Photonics, 5(8), 485-488. doi:10.1038/nphoton.2011.124.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-1A5E-F Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-0BCA-E
Genre: Journal Article

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1102.0170.pdf (Preprint), 695KB
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2011
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© A. Dienst et al.

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http://dx.doi.org/10.1038/nphoton.2011.124 (Publisher version)
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http://arxiv.org/abs/1102.0170 (Preprint)
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 Creators:
Dienst, A.1, Author
Hoffmann, Matthias C.2, 3, Author              
Fausti, Daniele1, 2, 3, Author              
Petersen, Jesse C.1, 2, 3, Author              
Pyon, S.4, Author
Takayama, T.4, Author
Takagi, H.4, 5, Author
Cavalleri, Andrea1, 2, 3, Author              
Affiliations:
1Department of Physics, Clarendon Laboratory, University of Oxford, ou_persistent22              
2Condensed Matter Dynamics Division, Max Planck Research Department for Structural Dynamics, Department of Physics, University of Hamburg, External Organizations, ou_2173637              
3CFEL, Hamburg, Germany, ou_persistent22              
4Department of Advanced Materials Science, University of Tokyo, Tokyo, Japan, ou_persistent22              
5RIKEN Advanced Science Institute, Hirosawa 2-1, Wako 351-0198, Japan, ou_persistent22              

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 Abstract: In cuprate superconductors, tunnelling between planes makes three-dimensional superconductive transport possible. However, the interlayer tunnelling amplitude is reduced when an order-parameter-phase gradient between planes is established. As such, interlayer superconductivity along the c-axis can be weakened if a strong electric field is applied along the c-axis. In this Letter, we use high-field single-cycle terahertz pulses to gate interlayer coupling in La1.84Sr0.16CuO4. We induce ultrafast oscillations between superconducting and resistive states and switch the plasmon response on and off, without reducing the density of Cooper pairs. In-plane superconductivity remains unperturbed, revealing a non-equilibrium state in which the dimensionality of the superconductivity is time-dependent. The gating frequency is determined by the electric field strength. Non-dissipative, bi-directional gating of superconductivity is of interest for device applications in ultrafast nanoelectronics and represents an example of how nonlinear terahertz physics can benefit nanoplasmonics and active metamaterials.

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Language(s): eng - English
 Dates: 2011-01-302011-05-192011-06-262011-08
 Publication Status: Published in print
 Pages: 4
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1038/nphoton.2011.124
arXiv: 1102.0170
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Title: Nature Photonics
Source Genre: Journal
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Pages: - Volume / Issue: 5 (8) Sequence Number: - Start / End Page: 485 - 488 Identifier: ISSN: 1749-4885
CoNE: /journals/resource/1000000000240270