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Surface domain engineering in congruent lithium niobate single crystals: a route to sub-micron periodic poling

Surface domain engineering in congruent lithium niobate single crystals: a route to sub-micron periodic poling
Surface domain engineering in congruent lithium niobate single crystals: a route to sub-micron periodic poling
We describe a technique for surface domain engineering in congruent lithium niobate single crystals. The method is based on conventional electric-field poling, but involves an intentional overpoling step that inverts all the material apart from a thin surface region directly below the patterned photoresist. The surface poled structures show good domain uniformity, and the technique has so far been applied to produce domain periods as small as ~1 µm. The technique is fully compatible with nonlinear optical integrated devices based on waveguide structures.
0003-6951
4946-4948
Busacca, A.C.
c0df2c8f-3c7c-4161-886f-9e05e94f802c
Sones, C.L.
9de9d8ee-d394-46a5-80b7-e341c0eed0a8
Apostolopoulos, V.
8a898740-4c71-4040-a577-9b9d70530b4d
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020
Mailis, S.
233e0768-3f8d-430e-8fdf-92e6f4f6a0c4
Busacca, A.C.
c0df2c8f-3c7c-4161-886f-9e05e94f802c
Sones, C.L.
9de9d8ee-d394-46a5-80b7-e341c0eed0a8
Apostolopoulos, V.
8a898740-4c71-4040-a577-9b9d70530b4d
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020
Mailis, S.
233e0768-3f8d-430e-8fdf-92e6f4f6a0c4

Busacca, A.C., Sones, C.L., Apostolopoulos, V., Eason, R.W. and Mailis, S. (2002) Surface domain engineering in congruent lithium niobate single crystals: a route to sub-micron periodic poling. Applied Physics Letters, 81 (26), 4946-4948.

Record type: Article

Abstract

We describe a technique for surface domain engineering in congruent lithium niobate single crystals. The method is based on conventional electric-field poling, but involves an intentional overpoling step that inverts all the material apart from a thin surface region directly below the patterned photoresist. The surface poled structures show good domain uniformity, and the technique has so far been applied to produce domain periods as small as ~1 µm. The technique is fully compatible with nonlinear optical integrated devices based on waveguide structures.

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More information

Published date: December 2002

Identifiers

Local EPrints ID: 13764
URI: https://eprints.soton.ac.uk/id/eprint/13764
ISSN: 0003-6951
PURE UUID: 6c593f8f-56ab-4b85-a7df-3c8974db65ef
ORCID for V. Apostolopoulos: ORCID iD orcid.org/0000-0003-3733-2191
ORCID for R.W. Eason: ORCID iD orcid.org/0000-0001-9704-2204
ORCID for S. Mailis: ORCID iD orcid.org/0000-0001-8100-2670

Catalogue record

Date deposited: 01 Jan 2005
Last modified: 18 May 2019 00:33

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