Optical vortices at Fano resonances

Yi Xu, Andrey E. Miroshnichenko, Anton S. Desyatnikov

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

We study the transmission properties of a one-dimensional array with intersite side-coupled defect and demonstrate that, as the system undergoes sharp Fano resonance, it exhibits geometry-induced vorticity of the energy flux. The optical vortex inverts its handedness at the Fano resonance, revealing a strong link between two phenomena, both being of interference origin. Our approach is quite general and can be applied to a variety of systems; as an example we demonstrate a similar effect in photonic crystal structure.

Original languageEnglish
Pages (from-to)4985-4987
Number of pages3
JournalOptics Letters
Volume37
Issue number23
DOIs
Publication statusPublished - Dec 1 2012
Externally publishedYes

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vortices
handedness
vorticity
photonics
interference
crystal structure
defects
geometry
energy

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Optical vortices at Fano resonances. / Xu, Yi; Miroshnichenko, Andrey E.; Desyatnikov, Anton S.

In: Optics Letters, Vol. 37, No. 23, 01.12.2012, p. 4985-4987.

Research output: Contribution to journalArticle

Xu, Y, Miroshnichenko, AE & Desyatnikov, AS 2012, 'Optical vortices at Fano resonances', Optics Letters, vol. 37, no. 23, pp. 4985-4987. https://doi.org/10.1364/OL.37.004985
Xu, Yi ; Miroshnichenko, Andrey E. ; Desyatnikov, Anton S. / Optical vortices at Fano resonances. In: Optics Letters. 2012 ; Vol. 37, No. 23. pp. 4985-4987.
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