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  Parametric amplification of a superconducting plasma wave

Rajasekaran, S., Casandruc, E., Laplace, Y., Nicoletti, D., Gu, G. D., Clark, S. R., et al. (2016). Parametric amplification of a superconducting plasma wave. Nature Physics, 12(11), 1012-1016. doi:10.1038/nphys3819.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-24C0-D Version Permalink: http://hdl.handle.net/21.11116/0000-0001-EC0E-7
Genre: Journal Article

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http://arxiv.org/abs/1511.08378 (Preprint)
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http://dx.doi.org/10.1038/nphys3819 (Publisher version)
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 Creators:
Rajasekaran, Srivats1, 2, Author              
Casandruc, Eliza1, 2, 3, Author              
Laplace, Yannis1, 2, Author              
Nicoletti, Daniele1, 2, Author              
Gu, Genda D.4, Author
Clark, Stephen R.5, 6, Author
Jaksch, Dieter6, 7, Author
Cavalleri, Andrea1, 2, 6, Author              
Affiliations:
1Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_1938293              
2Center for Free-Electron Laser Science, Luruper Chaussee 149, 22761 Hamburg, Germany, ou_persistent22              
3International 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              
4Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York, USA, ou_persistent22              
5Department of Physics, University of Bath, Claverton Down, BA2 7AY, Bath, United Kingdom, ou_persistent22              
6Department of Physics, Oxford University, Clarendon Laboratory, Parks Road, OX1 3PU Oxford, United Kingdom, ou_persistent22              
7Centre for Quantum Technologies, National University of Singapore, 3 Science Drive 2, Singapore 117543, Singapore, ou_persistent22              

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Free keywords: Condensed Matter; Physics; Nonlinear optics; Superconducting properties and materials; Terahertz optics
 Abstract: Many applications in photonics require all-optical manipulation of plasma waves, which can concentrate electromagnetic energy on sub-wavelength length scales. This is difficult in metallic plasmas because of their small optical nonlinearities. Some layered superconductors support Josephson plasma waves, involving oscillatory tunnelling of the superfluid between capacitively coupled planes. Josephson plasma waves are also highly nonlinear, and exhibit striking phenomena such as cooperative emission of coherent terahertz radiation, superconductor–metal oscillations and soliton formation. Here, we show that terahertz Josephson plasma waves can be parametrically amplified through the cubic tunnelling nonlinearity in a cuprate superconductor. Parametric amplification is sensitive to the relative phase between pump and seed waves, and may be optimized to achieve squeezing of the order-parameter phase fluctuations or terahertz single-photon devices.

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Language(s): eng - English
 Dates: 2015-11-262015-10-282016-06-132016-07-112016-11
 Publication Status: Published in print
 Pages: 6
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: arXiv: 1511.08378
DOI: 10.1038/nphys3819
 Degree: -

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Project name : Q-MAC
Grant ID : 319286
Funding program : Funding Programme 7 (FP7)
Funding organization : European Commission (EC)

Source 1

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Title: Nature Physics
  Other : Nat. Phys.
Source Genre: Journal
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Publ. Info: London : Nature Pub. Group
Pages: - Volume / Issue: 12 (11) Sequence Number: - Start / End Page: 1012 - 1016 Identifier: ISSN: 1745-2473
CoNE: /journals/resource/1000000000025850