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Photorefractive planar waveguides in BaTiO3 fabricated by ion-beam implantation

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), pp. 1509-1511. (doi:10.1364/OL.17.001509).

Record type: Article


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/cm^2. For a given input power, a decrease in the effective photo-refractive two-beam coupling response time of >10^2 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


Local EPrints ID: 78523
ISSN: 0146-9592
PURE UUID: 68bd88ac-fa0f-4b15-90f9-cd3e35bec75c
ORCID for R.W. Eason: ORCID iD

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:23

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Author: K.E. Youden
Author: S.W. James
Author: R.W. Eason ORCID iD
Author: P.J. Chandler
Author: L. Zhang
Author: P.D. Townsend

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