Optical vortices at Fano resonances

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

doi:10.1364/OL.37.004985

Optical vortices at Fano resonances

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

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

20 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 language	English
Pages (from-to)	4985-4987
Number of pages	3
Journal	Optics Letters
Volume	37
Issue number	23
DOIs	https://doi.org/10.1364/OL.37.004985
Publication status	Published - 1 Dec 2012

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title = "Optical vortices at Fano resonances",

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.",

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AU - Miroshnichenko, Andrey E.

AU - Desyatnikov, Anton S.

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N2 - 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.

AB - 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.

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U2 - 10.1364/OL.37.004985

DO - 10.1364/OL.37.004985

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JO - Optics Letters

JF - Optics Letters

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ER -

Optical vortices at Fano resonances

Abstract

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