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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 17, Iss. 21 — Nov. 1, 1992
  • pp: 1509–1511

Photorefractive planar waveguides in BaTiO3 fabricated by ion-beam implantation

K. E. Youden, S. W. James, R. W. Eason, P. J. Chandler, L. Zhang, and P. D. Townsend  »View Author Affiliations


Optics Letters, Vol. 17, Issue 21, pp. 1509-1511 (1992)
http://dx.doi.org/10.1364/OL.17.001509


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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 photorefractive 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.

© 1992 Optical Society of America

History
Original Manuscript: June 16, 1992
Published: November 1, 1992

Citation
K. E. Youden, P. J. Chandler, L. Zhang, S. W. James, R. W. Eason, and P. D. Townsend, "Photorefractive planar waveguides in BaTiO3 fabricated by ion-beam implantation," Opt. Lett. 17, 1509-1511 (1992)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-17-21-1509

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