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ABSTRACT
During the last decades, potassium titanyl phosphate (KTP) and its isomorphs have attracted much attention due to its application in various photonic devices. These materials possess large nonlinear optic and electro-optic coefficients, high optical damage threshold, as well as broad thermal and angular acceptance for second harmonic generation. The interest to increase of the frequency conversion efficiency by domain engineering in the crystals of KTP family is enormous. This paper provides an overview of the available data dedicated to study of the domain structure and creation of the periodical domain patterns in crystals of KTP family for nonlinear optical devices.
Acknowledgments
The equipment of the Ural Center for Shared Use “Modern nanotechnology” UrFU was used.
Funding
The research was made possible in part by the Ministry of Education and Science of the Russian Federation (UID RFMEFI59414X0011), by RFBR (grant 16-02-00724-a) and by Government of the Russian Federation (Act 211, Agreement 02.A03.21.0006).