Transient grating in KNbO3/KTaO3 superlattice

Huimin Liu; Felix E. Fernandez; Weiyi Jia; Lynn A. Boatner

doi:10.1117/12.326664

8 October 1998 Transient grating in KNbO₃/KTaO₃ superlattice

Huimin Liu, Felix E. Fernandez, Weiyi Jia, Lynn A. Boatner

Proceedings Volume 3425, Optical Diagnostic Methods for Inorganic Transmissive Materials; (1998) https://doi.org/10.1117/12.326664
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

Time-resolved degenerate-four-wave-mixing (DFWM) techniques have been used to characterize the nonlinear optical response of a KNbO₃/KTaO₃ superlattice grown by pulsed laser deposition on a 1 mm thick, (001)-oriented KTaO₃ substrate. With a 30 psec pulsed laser, the difference in the nonlinear optical response between bulk KTaO₃ and the superlattice was measured. Results indicate that a significant contribution to the response signal is due to the KNbO₃ superlattice. The (chi) ⁽³) value was estimated to have increased by 2 orders of magnitude compared to the bulk crystal.

Citation Download Citation

Huimin Liu, Felix E. Fernandez, Weiyi Jia, and Lynn A. Boatner "Transient grating in KNbO₃/KTaO₃ superlattice", Proc. SPIE 3425, Optical Diagnostic Methods for Inorganic Transmissive Materials, (8 October 1998); https://doi.org/10.1117/12.326664

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