Generation of surface polaritons in dielectric cylindrical waveguides

A. S. Kotanjyan, A. R. Mkrtchyan, A. A. Saharian, V. Kh Kotanjyan

Research output: Contribution to journalArticle

Abstract

We investigate the radiation of surface polaritons by a charged particle rotating around a dielectric waveguide. The general case is considered when the waveguide is immersed in a homogeneous medium. For the evaluation of the corresponding electromagnetic fields the electromagnetic Green tensor is used. A formula is derived for the spectral distribution of the radiation intensity for surface-type modes. It is shown that the corresponding waves are radiated on the eigenmodes of the dielectric cylinder. We demonstrate that the number of radiated quanta for surface polaritons of a given harmonic can be essentially larger than that for guiding modes of the cylinder. The geometry under consideration is of interest from the point of view of generation and transmitting of waves in waveguides, a subject which is of considerable practical importance in microwave engineering and optical fiber communications.

Original languageEnglish
Article number040701
JournalPhysical Review Accelerators and Beams
Volume22
Issue number4
DOIs
Publication statusPublished - 11 Apr 2019

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polaritons
waveguides
dielectric waveguides
radiant flux density
charged particles
electromagnetic fields
optical fibers
communication
engineering
tensors
electromagnetism
harmonics
microwaves
fibers
evaluation
radiation
geometry

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)
  • Surfaces and Interfaces

Cite this

Generation of surface polaritons in dielectric cylindrical waveguides. / Kotanjyan, A. S.; Mkrtchyan, A. R.; Saharian, A. A.; Kotanjyan, V. Kh.

In: Physical Review Accelerators and Beams, Vol. 22, No. 4, 040701, 11.04.2019.

Research output: Contribution to journalArticle

Kotanjyan, A. S. ; Mkrtchyan, A. R. ; Saharian, A. A. ; Kotanjyan, V. Kh. / Generation of surface polaritons in dielectric cylindrical waveguides. In: Physical Review Accelerators and Beams. 2019 ; Vol. 22, No. 4.
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