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Title: Parametric amplification of a superconducting plasma wave

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. In this paper, we show that terahertz Josephson plasma waves can be parametrically amplified through the cubic tunnelling nonlinearity in a cuprate superconductor. Finally, 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.

Authors:
 [1];  [1];  [1];  [1];  [2];  [3];  [4];  [5]
  1. Max Planck Inst. for the Structure and Dynamics of Matter, Hamburg (Germany); Center for Free-Electron Laser Science, Hamburg (Germany)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics and Materials Science Dept.
  3. Univ. of Bath (United Kingdom). Dept. of Physics; Univ. of Oxford (United Kingdom). Dept. of Physics. Clarendon Lab.
  4. Univ. of Oxford (United Kingdom). Dept. of Physics. Clarendon Lab.; National Univ. of Singapore (Singapore). Centre for Quantum Technologies
  5. Max Planck Inst. for the Structure and Dynamics of Matter, Hamburg (Germany); Center for Free-Electron Laser Science, Hamburg (Germany); Univ. of Oxford (United Kingdom). Dept. of Physics. Clarendon Lab.
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States); Max Planck Inst. for the Structure and Dynamics of Matter, Hamburg (Germany)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); European Research Council (ERC); German Research Foundation (DFG)
Contributing Org.:
Univ. of Bath (United Kingdom); Univ. of Oxford (United Kingdom); National Univ. of Singapore (Singapore); Center for Free-Electron Laser Science, Hamburg (Germany)
OSTI Identifier:
1341671
Report Number(s):
BNL-113398-2016-JA
Journal ID: ISSN 1745-2473; R&D Project: PM010; KC0201060; TRN: US1701790
Grant/Contract Number:  
AC02-98CH10886; 319286
Resource Type:
Accepted Manuscript
Journal Name:
Nature Physics
Additional Journal Information:
Journal Volume: 12; Journal Issue: 11; Journal ID: ISSN 1745-2473
Publisher:
Nature Publishing Group (NPG)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; nonlinear optics; superconducting properties and materials; terahertz optics

Citation Formats

Rajasekaran, S., Casandruc, E., Laplace, Y., Nicoletti, D., Gu, G. D., Clark, S. R., Jaksch, D., and Cavalleri, A. Parametric amplification of a superconducting plasma wave. United States: N. p., 2016. Web. doi:10.1038/NPHYS3819.
Rajasekaran, S., Casandruc, E., Laplace, Y., Nicoletti, D., Gu, G. D., Clark, S. R., Jaksch, D., & Cavalleri, A. Parametric amplification of a superconducting plasma wave. United States. doi:10.1038/NPHYS3819.
Rajasekaran, S., Casandruc, E., Laplace, Y., Nicoletti, D., Gu, G. D., Clark, S. R., Jaksch, D., and Cavalleri, A. Mon . "Parametric amplification of a superconducting plasma wave". United States. doi:10.1038/NPHYS3819. https://www.osti.gov/servlets/purl/1341671.
@article{osti_1341671,
title = {Parametric amplification of a superconducting plasma wave},
author = {Rajasekaran, S. and Casandruc, E. and Laplace, Y. and Nicoletti, D. and Gu, G. D. and Clark, S. R. and Jaksch, D. and Cavalleri, A.},
abstractNote = {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. In this paper, we show that terahertz Josephson plasma waves can be parametrically amplified through the cubic tunnelling nonlinearity in a cuprate superconductor. Finally, 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.},
doi = {10.1038/NPHYS3819},
journal = {Nature Physics},
number = 11,
volume = 12,
place = {United States},
year = {2016},
month = {7}
}

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