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Photorefractive planar waveguides in BaTiO3 fabricated by ion-beam implantation

Photorefractive planar waveguides in BaTiO3 fabricated by ion-beam implantation
Photorefractive planar waveguides in BaTiO3 fabricated by ion-beam implantation
For the first time to our knowledge, photorefractive properties have been observed in planar waveguides fabricated by the technique of ion-beam implantation in BaTiO3 single crystals. The implantation was carried out by using 1.5 MeV H+ ions at a dose of 10-16 ions/cm2. For a given input power, a decrease in the effective photo-refractive two-beam coupling response time of >102 has been observed, owing to a combination of optical confinement within the waveguide and possible modification of charge-transport properties induced through implantation. Experiments carried out on the two-beam coupling gain show that the gain direction has been reversed in the waveguide compared with that of the bulk crystal.
0146-9592
1509-1511
Youden, K.E.
a6d0080b-f644-4c67-862e-cb0aeb72b508
James, S.W.
02f53f34-3244-4898-90df-246ca2b466db
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020
Chandler, P.J.
df497652-94c6-4987-9fe1-a4b93111dadf
Zhang, L.
1170f035-b8d0-490c-ac24-ee05105011a7
Townsend, P.D.
d09c7d3f-d83e-43cd-8ac4-546701bb860f
Youden, K.E.
a6d0080b-f644-4c67-862e-cb0aeb72b508
James, S.W.
02f53f34-3244-4898-90df-246ca2b466db
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020
Chandler, P.J.
df497652-94c6-4987-9fe1-a4b93111dadf
Zhang, L.
1170f035-b8d0-490c-ac24-ee05105011a7
Townsend, P.D.
d09c7d3f-d83e-43cd-8ac4-546701bb860f

Youden, K.E., James, S.W., Eason, R.W., Chandler, P.J., Zhang, L. and Townsend, P.D. (1992) Photorefractive planar waveguides in BaTiO3 fabricated by ion-beam implantation. Optics Letters, 17 (21), 1509-1511. (doi:10.1364/OL.17.001509).

Record type: Article

Abstract

For the first time to our knowledge, photorefractive properties have been observed in planar waveguides fabricated by the technique of ion-beam implantation in BaTiO3 single crystals. The implantation was carried out by using 1.5 MeV H+ ions at a dose of 10-16 ions/cm2. For a given input power, a decrease in the effective photo-refractive two-beam coupling response time of >102 has been observed, owing to a combination of optical confinement within the waveguide and possible modification of charge-transport properties induced through implantation. Experiments carried out on the two-beam coupling gain show that the gain direction has been reversed in the waveguide compared with that of the bulk crystal.

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Published date: 1992

Identifiers

Local EPrints ID: 78523
URI: https://eprints.soton.ac.uk/id/eprint/78523
ISSN: 0146-9592
PURE UUID: 68bd88ac-fa0f-4b15-90f9-cd3e35bec75c
ORCID for R.W. Eason: ORCID iD orcid.org/0000-0001-9704-2204

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Date deposited: 11 Mar 2010
Last modified: 24 Jul 2018 00:38

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