Demonstration of Quadrature-Squeezed Surface Plasmons in a Gold Waveguide

Alexander Huck, Stephan Smolka, Peter Lodahl, Anders S. Sørensen, Alexandra Boltasseva, Jiri Janousek, and Ulrik L. Andersen
Phys. Rev. Lett. 102, 246802 – Published 19 June 2009

Abstract

We report on the efficient generation, propagation, and reemission of squeezed long-range surface-plasmon polaritons in a gold waveguide. Squeezed light is used to excite the nonclassical surface-plasmon polaritons, and the reemitted quantum state is fully characterized by complete quantum tomographic reconstruction of the density matrix. We find that the plasmon-assisted transmission of nonclassical light in metallic waveguides can be described by a beam splitter relation. This result is explained theoretically.

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  • Received 19 December 2008

DOI:https://doi.org/10.1103/PhysRevLett.102.246802

©2009 American Physical Society

Authors & Affiliations

Alexander Huck1,*, Stephan Smolka2, Peter Lodahl2, Anders S. Sørensen3, Alexandra Boltasseva4,2, Jiri Janousek1, and Ulrik L. Andersen1,†

  • 1Department of Physics, Technical University of Denmark, Building 309, 2800 Lyngby, Denmark
  • 2DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, Ørsted Plads 343, 2800 Lyngby, Denmark
  • 3QUANTOP, Danish Quantum Optics Center and Niels Bohr Institute, 2100 Copenhagen, Denmark
  • 4Birck Nanotechnology Center, Purdue University, West Lafayette 47907, Indiana, USA

  • *alexander.huck@fysik.dtu.dk
  • ulrik.andersen@fysik.dtu.dk

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Vol. 102, Iss. 24 — 19 June 2009

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