Interactions of accessible solitons with interfaces in anisotropic media: the case of uniaxial nematic liquid crystals
Interactions of accessible solitons with interfaces in anisotropic media: the case of uniaxial nematic liquid crystals
We investigate, both theoretically and experimentally, spatial soliton interaction with dielectric interfaces in a strongly anisotropic medium with non-locality, such as nematic liquid crystals. We throw light on the role of refractive index gradients as well as optic axis variations in both voltage- and self-driven angular steering of non-local solitons. We specifically address and then employ in experiments a suitably designed electrode geometry in a liquid crystalline cell in order to define and tune a graded dielectric interface by exploiting the electro-optic response of the material through the in-plane reorientation of the optic axis in two distinct regions. We study both refraction and total internal reflection as well as voltage controlled steering of spatial solitons.
1-27
Alberucci, A.
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Piccardi, A.
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Barboza, R.
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Buchnev, O.
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Kaczmarek, M.
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Assanto, G.
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April 2013
Alberucci, A.
596b5409-8db7-4cd7-acb4-f91eeb124f80
Piccardi, A.
d6f1bc7d-56df-4fc3-81a3-274ea851dda3
Barboza, R.
606e8b8a-0902-4135-aa88-7150dc3c0791
Buchnev, O.
60cdb0d2-3388-47be-a066-61b3b396f69d
Kaczmarek, M.
408ec59b-8dba-41c1-89d0-af846d1bf327
Assanto, G.
82bad7ad-e3cb-4b22-b43b-b179f2451e49
Alberucci, A., Piccardi, A., Barboza, R., Buchnev, O., Kaczmarek, M. and Assanto, G.
(2013)
Interactions of accessible solitons with interfaces in anisotropic media: the case of uniaxial nematic liquid crystals.
New Journal of Physics, 15 (4), .
(doi:10.1088/1367-2630/15/4/043011).
Abstract
We investigate, both theoretically and experimentally, spatial soliton interaction with dielectric interfaces in a strongly anisotropic medium with non-locality, such as nematic liquid crystals. We throw light on the role of refractive index gradients as well as optic axis variations in both voltage- and self-driven angular steering of non-local solitons. We specifically address and then employ in experiments a suitably designed electrode geometry in a liquid crystalline cell in order to define and tune a graded dielectric interface by exploiting the electro-optic response of the material through the in-plane reorientation of the optic axis in two distinct regions. We study both refraction and total internal reflection as well as voltage controlled steering of spatial solitons.
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1367-2630_15_4_043011.pdf
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Published date: April 2013
Organisations:
Optoelectronics Research Centre, Quantum, Light & Matter Group
Identifiers
Local EPrints ID: 378213
URI: http://eprints.soton.ac.uk/id/eprint/378213
PURE UUID: d101f185-8d7a-4395-ba1f-6feb1ddb8acb
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Date deposited: 29 Jun 2015 10:27
Last modified: 14 Mar 2024 20:19
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Contributors
Author:
A. Alberucci
Author:
A. Piccardi
Author:
R. Barboza
Author:
O. Buchnev
Author:
G. Assanto
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