Abstract.
We report on the fabrication and properties of He-implanted waveguides in lithium niobate, which are additionally doped with copper by using an ion-exchange process. We show that the photorefractive sensitivity in the waveguides is increased by a factor of 3000.
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Received: 23 November 1998 / Revised version: 15 February 1999 / Published online: 12 April 1999
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Kostritskii, S., Moretti, P. Photorefractive LiNbO3 waveguides fabricated by combining He-implantation and copper exchange . Appl Phys B 68, 801–805 (1999). https://doi.org/10.1007/s003400050707
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DOI: https://doi.org/10.1007/s003400050707