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Leakage loss analytical formulas for large-core low-refractive-index-contrast Bragg fibers

Leakage loss analytical formulas for large-core low-refractive-index-contrast Bragg fibers
Leakage loss analytical formulas for large-core low-refractive-index-contrast Bragg fibers
We propose analytical formulas for large-core low-contrast Bragg fibers that predict the leakage loss of their low-order core modes, whatever their polarizations are and whatever the number of rings in the cladding is, for the first time to our knowledge. We propose also a generalized analytical formulas, which encompasses the case of Bragg fibers with a nonperiodic cladding, by decomposing their cladding into its constitutive periodic elements, whose contributions are taken into account through a simple multiplication factor. These formulas are developed thanks to a perturbation approach and to the use of the asymptotic formulation of the field in the cladding and provide a good accuracy except in the vicinity of couplings between core modes and cladding modes.
0740-3224
1945-1953
Baskiotis, Catherine
bee462eb-edb4-4cb5-b24f-3bf350cf12d5
Quiquempois, Yves
b2ec0c3a-3933-4573-8945-b26da95a4256
Douay, Marc
b77548ba-7d3b-4df5-b89b-3d9ce982f5a1
Sillard, Pierre
0f559b0b-cfa5-4474-a958-c8b18e478186
Baskiotis, Catherine
bee462eb-edb4-4cb5-b24f-3bf350cf12d5
Quiquempois, Yves
b2ec0c3a-3933-4573-8945-b26da95a4256
Douay, Marc
b77548ba-7d3b-4df5-b89b-3d9ce982f5a1
Sillard, Pierre
0f559b0b-cfa5-4474-a958-c8b18e478186

Baskiotis, Catherine, Quiquempois, Yves, Douay, Marc and Sillard, Pierre (2013) Leakage loss analytical formulas for large-core low-refractive-index-contrast Bragg fibers. Journal of the Optical Society of America B, 30 (7), 1945-1953. (doi:10.1364/JOSAB.30.001945).

Record type: Article

Abstract

We propose analytical formulas for large-core low-contrast Bragg fibers that predict the leakage loss of their low-order core modes, whatever their polarizations are and whatever the number of rings in the cladding is, for the first time to our knowledge. We propose also a generalized analytical formulas, which encompasses the case of Bragg fibers with a nonperiodic cladding, by decomposing their cladding into its constitutive periodic elements, whose contributions are taken into account through a simple multiplication factor. These formulas are developed thanks to a perturbation approach and to the use of the asymptotic formulation of the field in the cladding and provide a good accuracy except in the vicinity of couplings between core modes and cladding modes.

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More information

Published date: 1 July 2013
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 356362
URI: https://eprints.soton.ac.uk/id/eprint/356362
ISSN: 0740-3224
PURE UUID: adbd59c6-a95c-41f3-a690-dab2e55efe7b

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Date deposited: 12 Sep 2013 15:27
Last modified: 16 Jul 2019 21:24

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