Cladding mode coupling in highly localized fiber Bragg gratings II: complete vectorial analysis

Jens U. Thomas; Nemanja Jovanovic; Ria G. Krämer; Graham D. Marshall; Michael J. Withford; Andreas Tünnermann; Stefan Nolte; Michael J. Steel

doi:10.1364/OE.20.021434

Cladding mode coupling in highly localized fiber Bragg gratings II: complete vectorial analysis

Jens U. Thomas^*, Nemanja Jovanovic, Ria G. Krämer, Graham D. Marshall, Michael J. Withford, Andreas Tünnermann, Stefan Nolte, Michael J. Steel

^*Corresponding author for this work

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

53 Citations (Scopus)

Abstract

Highly localized fiber Bragg gratings can be inscribed point-by-point with focused ultrashort pulses. The transverse localization of the resonant grating causes strong coupling to cladding modes of high azimuthal and radial order. In this paper, we show how the reflected cladding modes can be fully analyzed, taking their vectorial nature, orientation and degeneracies into account. The observed modes' polarization and intensity distributions are directly tied to the dispersive properties and show abrupt transitions in nature, strongly correlated with changes in the coupling strengths.

Original language	English
Pages (from-to)	21434-21449
Number of pages	16
Journal	Optics Express
Volume	20
Issue number	19
DOIs	https://doi.org/10.1364/OE.20.021434
Publication status	Published - 10 Sept 2012

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abstract = "Highly localized fiber Bragg gratings can be inscribed point-by-point with focused ultrashort pulses. The transverse localization of the resonant grating causes strong coupling to cladding modes of high azimuthal and radial order. In this paper, we show how the reflected cladding modes can be fully analyzed, taking their vectorial nature, orientation and degeneracies into account. The observed modes' polarization and intensity distributions are directly tied to the dispersive properties and show abrupt transitions in nature, strongly correlated with changes in the coupling strengths.",

author = "Thomas, {Jens U.} and Nemanja Jovanovic and Kr{\"a}mer, {Ria G.} and Marshall, {Graham D.} and Withford, {Michael J.} and Andreas T{\"u}nnermann and Stefan Nolte and Steel, {Michael J.}",

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AU - Thomas, Jens U.

AU - Jovanovic, Nemanja

AU - Krämer, Ria G.

AU - Marshall, Graham D.

AU - Withford, Michael J.

AU - Tünnermann, Andreas

AU - Nolte, Stefan

AU - Steel, Michael J.

PY - 2012/9/10

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N2 - Highly localized fiber Bragg gratings can be inscribed point-by-point with focused ultrashort pulses. The transverse localization of the resonant grating causes strong coupling to cladding modes of high azimuthal and radial order. In this paper, we show how the reflected cladding modes can be fully analyzed, taking their vectorial nature, orientation and degeneracies into account. The observed modes' polarization and intensity distributions are directly tied to the dispersive properties and show abrupt transitions in nature, strongly correlated with changes in the coupling strengths.

AB - Highly localized fiber Bragg gratings can be inscribed point-by-point with focused ultrashort pulses. The transverse localization of the resonant grating causes strong coupling to cladding modes of high azimuthal and radial order. In this paper, we show how the reflected cladding modes can be fully analyzed, taking their vectorial nature, orientation and degeneracies into account. The observed modes' polarization and intensity distributions are directly tied to the dispersive properties and show abrupt transitions in nature, strongly correlated with changes in the coupling strengths.

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ER -

Cladding mode coupling in highly localized fiber Bragg gratings II: complete vectorial analysis

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