Slow-light vortices in periodic waveguides

Andrey A. Sukhorukov, Sangwoo Ha, Anton S. Desyatnikov, Andrei V. Lavrinenko, Yuri S. Kivshar

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

We reveal that the reduction of the group velocity of light in periodic waveguides is generically associated with the presence of circulating energy flows or optical vortices. We show that the energy flows are gradually frozen for slow-light at the Brillouin zone edge, whereas vortices persist for slow-light states having non-vanishing phase velocity inside the Brillouin zone. We also demonstrate that the presence of vortices can be linked to the absence of slow-light at the zone edge, and the presented calculations illustrate these general results.

Original languageEnglish
Article number094016
JournalJournal of Optics A: Pure and Applied Optics
Volume11
Issue number9
DOIs
Publication statusPublished - 2009
Externally publishedYes

Fingerprint

Slow light
Vortex flow
Waveguides
vortices
waveguides
Brillouin zones
Light velocity
Phase velocity
phase velocity
group velocity
energy

Keywords

  • Optical power flow
  • Optical vortex
  • Photonic crystal waveguide

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Slow-light vortices in periodic waveguides. / Sukhorukov, Andrey A.; Ha, Sangwoo; Desyatnikov, Anton S.; Lavrinenko, Andrei V.; Kivshar, Yuri S.

In: Journal of Optics A: Pure and Applied Optics, Vol. 11, No. 9, 094016, 2009.

Research output: Contribution to journalArticle

Sukhorukov, Andrey A. ; Ha, Sangwoo ; Desyatnikov, Anton S. ; Lavrinenko, Andrei V. ; Kivshar, Yuri S. / Slow-light vortices in periodic waveguides. In: Journal of Optics A: Pure and Applied Optics. 2009 ; Vol. 11, No. 9.
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