Periodic domain inversion in ion-exchanged LiTaO3 by electric field application

Cynthia Baron; Hsing-Chine Cheng; Mool C. Gupta

doi:10.1117/12.239643

10 May 1996 Periodic domain inversion in ion-exchanged LiTaO₃ by electric field application

Cynthia Baron, Hsing-Chine Cheng, Mool C. Gupta

Proceedings Volume 2700, Nonlinear Frequency Generation and Conversion; (1996) https://doi.org/10.1117/12.239643
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

We report a process for the formation of inverted ferroelectric domain regions in LiTaO₃. This process involves ion exchange followed by domain inversion by a uniform electric field. The resultant periodic domain structure is applicable to first order quasi-phase-matched second-harmonic generation. In first order periodically poled crystals of Z-cut LiTaO₃, initial results have shown bulk conversion efficiencies of up to 3%/(W-cm). A second- harmonic conversion of 3 mW of blue wavelength power was observed from waveguide devices made on these crystals.

Citation Download Citation

Cynthia Baron, Hsing-Chine Cheng, and Mool C. Gupta "Periodic domain inversion in ion-exchanged LiTaO₃ by electric field application", Proc. SPIE 2700, Nonlinear Frequency Generation and Conversion, (10 May 1996); https://doi.org/10.1117/12.239643

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