Abstract

We report on the fabrication and χ2 measurements of thin 10µm-thick films of periodically poled LiNbO3, obtained by crystal ion slicing. The d33 optical coefficient in the films is probed by sum-frequency generation with a short-pulse laser source at 1550 nm and compared with that of the bulk. Efficient, room-temperature TMω,m=0-to-TMω+ω,m=0 mode conversion is obtained in the films. These measurements show that domain periodicity is preserved during ion implantation and that the thin films have bulklike nonlinearity and material dispersion.

© 2000 Optical Society of America

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