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Polarization domain walls in optical fibres as topological bits for data transmission

Polarization domain walls in optical fibres as topological bits for data transmission
Polarization domain walls in optical fibres as topological bits for data transmission
Domain walls are topological defects that occur at symmetry-breaking phase transitions. Although domain walls have been intensively studied in ferromagnetic materials, where they nucleate at the boundary of neighbouring regions of oppositely aligned magnetic dipoles, their equivalents in optics have not been fully explored so far. Here, we experimentally demonstrate the existence of a universal class of polarization domain walls in the form of localized polarization knots in conventional optical fibres. We exploit their binding properties for optical data transmission beyond the Kerr limits of normally dispersive fibres. In particular, we demonstrate how trapping energy in a well-defined train of polarization domain walls allows undistorted propagation of polarization knots at a rate of 28 GHz along a 10 km length of normally dispersive optical fibre. These results constitute the first experimental observation of kink–antikink solitary wave propagation in nonlinear fibre optics.
1749-4885
102-107
Gilles, Marin
9fbd0f77-5afb-41f7-8a3e-7afbbede61aa
Bony, Pierre Yves
85325f82-aa34-42e3-a2e9-a26f4df59d18
Garnier, Josselin
d57b7e3b-c4b2-426a-8915-7ef7217527b5
Picozzi, Antonio
2944bc0a-3c7c-4e90-afb6-754e58a964e2
Guasoni, Massimiliano
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Fatome, Julien
1547ee65-fff2-48a3-a9bd-73a89421a370
Gilles, Marin
9fbd0f77-5afb-41f7-8a3e-7afbbede61aa
Bony, Pierre Yves
85325f82-aa34-42e3-a2e9-a26f4df59d18
Garnier, Josselin
d57b7e3b-c4b2-426a-8915-7ef7217527b5
Picozzi, Antonio
2944bc0a-3c7c-4e90-afb6-754e58a964e2
Guasoni, Massimiliano
5aa684b2-643e-4598-93d6-bc633870c99a
Fatome, Julien
1547ee65-fff2-48a3-a9bd-73a89421a370

Gilles, Marin, Bony, Pierre Yves, Garnier, Josselin, Picozzi, Antonio, Guasoni, Massimiliano and Fatome, Julien (2017) Polarization domain walls in optical fibres as topological bits for data transmission. Nature Photonics, 11 (2), 102-107. (doi:10.1038/nphoton.2016.262).

Record type: Article

Abstract

Domain walls are topological defects that occur at symmetry-breaking phase transitions. Although domain walls have been intensively studied in ferromagnetic materials, where they nucleate at the boundary of neighbouring regions of oppositely aligned magnetic dipoles, their equivalents in optics have not been fully explored so far. Here, we experimentally demonstrate the existence of a universal class of polarization domain walls in the form of localized polarization knots in conventional optical fibres. We exploit their binding properties for optical data transmission beyond the Kerr limits of normally dispersive fibres. In particular, we demonstrate how trapping energy in a well-defined train of polarization domain walls allows undistorted propagation of polarization knots at a rate of 28 GHz along a 10 km length of normally dispersive optical fibre. These results constitute the first experimental observation of kink–antikink solitary wave propagation in nonlinear fibre optics.

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Nature Photonics DW - Accepted Manuscript
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Accepted/In Press date: 29 November 2016
e-pub ahead of print date: 16 January 2017
Published date: 16 January 2017

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Local EPrints ID: 426072
URI: http://eprints.soton.ac.uk/id/eprint/426072
ISSN: 1749-4885
PURE UUID: de1fa96f-42f3-422d-8a1b-953ac9b3ce94

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Date deposited: 13 Nov 2018 17:30
Last modified: 08 Jan 2022 07:25

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Contributors

Author: Marin Gilles
Author: Pierre Yves Bony
Author: Josselin Garnier
Author: Antonio Picozzi
Author: Julien Fatome

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