Quasi-phase-matched second-harmonic generation in ultraviolet-assisted periodically poled planar fused silica

Abstract

First-order quasi-phase-matched second-harmonic generation of 1064 to 532 nm in a thermally poled planar fused-silica plate with periodic UV erasure of the second-order nonlinearity was successfully implemented. We obtained a 1:2.9 ratio of $d_{31}:d_{33}$ for UV-grade fused silica in support of the proposed mechanism for electric-field-induced second-order nonlinearity in this material.

© 2003 Optical Society of America

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