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UV laser-induced poling inhibition in proton exchanged LiNbO3 crystals

UV laser-induced poling inhibition in proton exchanged LiNbO3 crystals
UV laser-induced poling inhibition in proton exchanged LiNbO3 crystals
The applicability of the UV laser-induced poling inhibition method for ferroelectric domain engineering in proton exchanged lithium niobate planar waveguides is investigated. Our results indicate that intense UV irradiation of proton exchanged lithium niobate samples can indeed produce poling inhibited domains in this material under certain irradiation conditions. However, there is strong indication that the temperature gradient that is formed during UV irradiation modifies the local proton concentration leading to changes in the refractive index profile of the original planar waveguide.
Lithium Niobate, Ferroelectric domains, Waveguides, Proton exchange
0946-2171
Mailis, Sakellaris
233e0768-3f8d-430e-8fdf-92e6f4f6a0c4
Zisis, Grigorios
45a0bf08-5ab7-4d9b-9ad9-65ca7bf739a9
Manzo, M.
93a4a3a0-42c3-4fa8-9c89-beb922e54992
Gallo, Katia
e7eb810a-0c5b-4ab4-bd14-52e4c80bb4f2
Soergel, Elisabeth
f2f3cfe9-687e-48e9-9166-606087aba7f4
Mailis, Sakellaris
233e0768-3f8d-430e-8fdf-92e6f4f6a0c4
Zisis, Grigorios
45a0bf08-5ab7-4d9b-9ad9-65ca7bf739a9
Manzo, M.
93a4a3a0-42c3-4fa8-9c89-beb922e54992
Gallo, Katia
e7eb810a-0c5b-4ab4-bd14-52e4c80bb4f2
Soergel, Elisabeth
f2f3cfe9-687e-48e9-9166-606087aba7f4

Mailis, Sakellaris, Zisis, Grigorios, Manzo, M., Gallo, Katia and Soergel, Elisabeth (2017) UV laser-induced poling inhibition in proton exchanged LiNbO3 crystals. Applied Physics B, 123. (doi:10.1007/s00340-017-6734-7).

Record type: Article

Abstract

The applicability of the UV laser-induced poling inhibition method for ferroelectric domain engineering in proton exchanged lithium niobate planar waveguides is investigated. Our results indicate that intense UV irradiation of proton exchanged lithium niobate samples can indeed produce poling inhibited domains in this material under certain irradiation conditions. However, there is strong indication that the temperature gradient that is formed during UV irradiation modifies the local proton concentration leading to changes in the refractive index profile of the original planar waveguide.

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Mailis_ApplPhysB - Accepted Manuscript
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More information

Accepted/In Press date: 14 April 2017
e-pub ahead of print date: 27 April 2017
Published date: May 2017
Keywords: Lithium Niobate, Ferroelectric domains, Waveguides, Proton exchange
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 409574
URI: https://eprints.soton.ac.uk/id/eprint/409574
ISSN: 0946-2171
PURE UUID: 58b014f0-2d5c-4dc8-8ced-d997df1839bc
ORCID for Sakellaris Mailis: ORCID iD orcid.org/0000-0001-8100-2670

Catalogue record

Date deposited: 30 May 2017 04:06
Last modified: 14 Mar 2019 01:49

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