Bistability with optical beams propagating in a reorientational medium
Bistability with optical beams propagating in a reorientational medium
We investigated bistability with light beams in reorientational nematic liquid crystals. For a range of input powers, beams can propagate as either diffracting or self-trapped, the latter corresponding to spatial solitons. The first-order transition in samples exhibiting abrupt self-focusing with a threshold is in agreement with a simple model.
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Kravets, Nina
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Piccardi, Armando
745f16e1-faaa-4405-b99d-a1ecbfd9e582
Alberucci, Alessandro
6724255e-f380-4a32-af24-911323cb7e98
Buchnev, Oleksandr
60cdb0d2-3388-47be-a066-61b3b396f69d
Kaczmarek, Malgosia
408ec59b-8dba-41c1-89d0-af846d1bf327
Assanto, Gaetano
c89823fa-c863-4ff3-aea0-915fa5852df2
11 July 2014
Kravets, Nina
d8a09747-9b2f-4935-92de-2f669609e5dd
Piccardi, Armando
745f16e1-faaa-4405-b99d-a1ecbfd9e582
Alberucci, Alessandro
6724255e-f380-4a32-af24-911323cb7e98
Buchnev, Oleksandr
60cdb0d2-3388-47be-a066-61b3b396f69d
Kaczmarek, Malgosia
408ec59b-8dba-41c1-89d0-af846d1bf327
Assanto, Gaetano
c89823fa-c863-4ff3-aea0-915fa5852df2
Kravets, Nina, Piccardi, Armando, Alberucci, Alessandro, Buchnev, Oleksandr, Kaczmarek, Malgosia and Assanto, Gaetano
(2014)
Bistability with optical beams propagating in a reorientational medium.
Physical Review Letters, 113 (2), .
(doi:10.1103/PhysRevLett.113.023901).
(PMID:25062182)
Abstract
We investigated bistability with light beams in reorientational nematic liquid crystals. For a range of input powers, beams can propagate as either diffracting or self-trapped, the latter corresponding to spatial solitons. The first-order transition in samples exhibiting abrupt self-focusing with a threshold is in agreement with a simple model.
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e-pub ahead of print date: 7 July 2014
Published date: 11 July 2014
Organisations:
Optoelectronics Research Centre
Identifiers
Local EPrints ID: 377319
URI: http://eprints.soton.ac.uk/id/eprint/377319
PURE UUID: 90ec6538-2787-44ba-90a1-02d4bc4c5bcc
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Date deposited: 20 May 2015 16:24
Last modified: 14 Mar 2024 20:00
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Contributors
Author:
Nina Kravets
Author:
Armando Piccardi
Author:
Alessandro Alberucci
Author:
Oleksandr Buchnev
Author:
Gaetano Assanto
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