Low temperature periodic electrical poling of flux-grown KTiOPO4 and isomorphic crystals

G. Rosenman, A. Skliar, D. Eger, M. Oron, M. Katz

Research output: Contribution to journalArticlepeer-review

Abstract

Studies of dielectric spectroscopy, dc conductivity, and polarization switching allowed the observation of phase transition from the superionic to the insulating state in flux-grown KTiOPO4 (KTP) crystals at low temperature where the high mobility of potassium ions is suppressed. A low temperature method of fabrication of engineered periodic domain structures in superionic KTP and isomorphic crystals is proposed. It enabled us to tailor homogeneous domain gratings with various periods in the range 4-39 μm for quasiphase-matched nonlinear optical converters in KTP plates over whole area of 30×30 mm2.

Original languageEnglish
Pages (from-to)3650-3652
Number of pages3
JournalApplied Physics Letters
Volume73
Issue number25
DOIs
StatePublished - 1998

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