Partially coherent surface plasmon polariton vortex fields

Yahong Chen, Andreas Norrman, Sergey A. Ponomarenko, and Ari T. Friberg
Phys. Rev. A 100, 053833 – Published 14 November 2019

Abstract

We introduce a class of partially coherent surface plasmon polariton (SPP) fields carrying optical vortices, generated through a judicious superposition of planar SPPs with a prescribed initial phase distribution and arbitrary correlations at a metal-air interface. We explore the global degree of coherence, energy densities, energy flows, orbital and spin angular momenta, and the polarization states of such partially coherent SPP vortex (SPPV) fields in terms of their coherent mode representation. The salient physical characteristics of these SPPV fields can be widely tuned by controlling the constituent SPP correlations, tailoring such SPPV fields to desired applications in statistical nanoplasmonics.

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  • Received 11 April 2019

DOI:https://doi.org/10.1103/PhysRevA.100.053833

©2019 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & OpticalPlasma Physics

Authors & Affiliations

Yahong Chen1,2,*, Andreas Norrman3, Sergey A. Ponomarenko4,5, and Ari T. Friberg1

  • 1Institute of Photonics, University of Eastern Finland, P.O. Box 111, FI-80101 Joensuu, Finland
  • 2School of Physical Science and Technology, Soochow University, Suzhou 215006, China
  • 3Max Planck Institute for the Science of Light, Staudtstraße 2, D-91058 Erlangen, Germany
  • 4Department of Electrical and Computer Engineering, Dalhousie University, Halifax, Nova Scotia B3J 2X4, Canada
  • 5Department of Physics and Atmospheric Science, Dalhousie University, Halifax, Nova Scotia B3H 4R2, Canada

  • *Corresponding author: yahongchen@suda.edu.cn

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Vol. 100, Iss. 5 — November 2019

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