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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 19 — Sep. 10, 2012
  • pp: 21434–21449

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, and Michael J. Steel  »View Author Affiliations

Optics Express, Vol. 20, Issue 19, pp. 21434-21449 (2012)

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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.

© 2012 OSA

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2340) Fiber optics and optical communications : Fiber optics components
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: July 18, 2012
Revised Manuscript: August 6, 2012
Manuscript Accepted: August 6, 2012
Published: September 4, 2012

Jens U. Thomas, Nemanja Jovanovic, Ria G. Krämer, Graham D. Marshall, Michael J. Withford, Andreas Tünnermann, Stefan Nolte, and Michael J. Steel, "Cladding mode coupling in highly localized fiber Bragg gratings II: complete vectorial analysis," Opt. Express 20, 21434-21449 (2012)

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