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The effect of core asymmetries on the polarization properties of hollow core photonic bandgap fibers

The effect of core asymmetries on the polarization properties of hollow core photonic bandgap fibers
The effect of core asymmetries on the polarization properties of hollow core photonic bandgap fibers
We present the results of numerical simulations of the modal properties of Photonic Band Gap Fibers (PBGFs) in which a structural distortion of the silica ring surrounding the air core is gradually introduced. We demonstrate that surface modes supported within such fibers are very sensitive to structural distortions, and that any asymmetric change in the structure can break their degeneracy resulting in associated changes in the anticrossing behavior of the orthogonally polarized core modes, and the development of polarization dependent transmission properties. Our results provide insight into recent experimental observations of wavelength dependent PDL and birefringence in PBGFs.
1094-4087
9115-9124
Poletti, F.
9adcef99-5558-4644-96d7-ce24b5897491
Broderick, N.G.R.
4cfa2c7c-097a-48d6-b221-4e92ad1c6aea
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Monro, T.M.
4f0295a8-d9ec-45a5-b72b-72908f2549bb
Poletti, F.
9adcef99-5558-4644-96d7-ce24b5897491
Broderick, N.G.R.
4cfa2c7c-097a-48d6-b221-4e92ad1c6aea
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Monro, T.M.
4f0295a8-d9ec-45a5-b72b-72908f2549bb

Poletti, F., Broderick, N.G.R., Richardson, D.J. and Monro, T.M. (2005) The effect of core asymmetries on the polarization properties of hollow core photonic bandgap fibers. Optics Express, 13 (22), 9115-9124. (doi:10.1364/OPEX.13.009115).

Record type: Article

Abstract

We present the results of numerical simulations of the modal properties of Photonic Band Gap Fibers (PBGFs) in which a structural distortion of the silica ring surrounding the air core is gradually introduced. We demonstrate that surface modes supported within such fibers are very sensitive to structural distortions, and that any asymmetric change in the structure can break their degeneracy resulting in associated changes in the anticrossing behavior of the orthogonally polarized core modes, and the development of polarization dependent transmission properties. Our results provide insight into recent experimental observations of wavelength dependent PDL and birefringence in PBGFs.

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Published date: October 2005
Additional Information: 3336

Identifiers

Local EPrints ID: 30187
URI: https://eprints.soton.ac.uk/id/eprint/30187
ISSN: 1094-4087
PURE UUID: 7345539f-bcf5-46a8-8c64-e95c510e19d5
ORCID for F. Poletti: ORCID iD orcid.org/0000-0002-1000-3083
ORCID for D.J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058

Catalogue record

Date deposited: 11 May 2006
Last modified: 16 Jul 2019 01:12

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