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Effect of core-cladding interface on thermal poling germano-silicate optical waveguides

Effect of core-cladding interface on thermal poling germano-silicate optical waveguides
Effect of core-cladding interface on thermal poling germano-silicate optical waveguides
We report on the effect of the interface between silica and germano-silicate glass during thermal poling of optical waveguides. By measuring the depth of the nonlinear region, using the Maker's fringes technique combined with etching in hydrofluoric acid, we conclude that the germania-doped layer acts as a barrier for the migration of cations at standard poling temperature and voltage. It is also found that the problem can be circumvented by poling at higher temperature and voltage, e.g. 320°C and 8 kV.
0030-4018
187-190
Faccio, D.
439c72fc-1a71-41c2-bc41-f610ab3ddfb5
Busacca, A.
0c7bb839-c56d-42e6-a22e-bf5d15c32b5c
Harwood, D.W.J.
1103aa43-a21d-41a1-aa9c-d180fb4ef95d
Bonfrate, G.
8bc08494-13f7-48f8-b630-f283d6ffd6d5
Pruneri, V.
0e97eb94-b682-409f-a107-ae6b84763f02
Kazansky, P.G.
a5d123ec-8ea8-408c-8963-4a6d921fd76c
Faccio, D.
439c72fc-1a71-41c2-bc41-f610ab3ddfb5
Busacca, A.
0c7bb839-c56d-42e6-a22e-bf5d15c32b5c
Harwood, D.W.J.
1103aa43-a21d-41a1-aa9c-d180fb4ef95d
Bonfrate, G.
8bc08494-13f7-48f8-b630-f283d6ffd6d5
Pruneri, V.
0e97eb94-b682-409f-a107-ae6b84763f02
Kazansky, P.G.
a5d123ec-8ea8-408c-8963-4a6d921fd76c

Faccio, D., Busacca, A., Harwood, D.W.J., Bonfrate, G., Pruneri, V. and Kazansky, P.G. (2001) Effect of core-cladding interface on thermal poling germano-silicate optical waveguides. Optics Communications, 196 (1-6), 187-190. (doi:10.1016/S0030-4018(01)01385-2).

Record type: Article

Abstract

We report on the effect of the interface between silica and germano-silicate glass during thermal poling of optical waveguides. By measuring the depth of the nonlinear region, using the Maker's fringes technique combined with etching in hydrofluoric acid, we conclude that the germania-doped layer acts as a barrier for the migration of cations at standard poling temperature and voltage. It is also found that the problem can be circumvented by poling at higher temperature and voltage, e.g. 320°C and 8 kV.

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Published date: 2001

Identifiers

Local EPrints ID: 13710
URI: http://eprints.soton.ac.uk/id/eprint/13710
ISSN: 0030-4018
PURE UUID: db19c17c-9fae-4075-b21c-bf79459ac039

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Date deposited: 22 Dec 2004
Last modified: 15 Jul 2019 19:34

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Contributors

Author: D. Faccio
Author: A. Busacca
Author: D.W.J. Harwood
Author: G. Bonfrate
Author: V. Pruneri
Author: P.G. Kazansky

University divisions

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