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Two-dimensional domain structures in lithium niobate via domain inversion with ultrafast light

Chen, Xin; Karpinski, Pawel; Shvedov, Vladlen; Krolikowski, Wieslaw; Sheng, Yan; Wang, B; Trull, Jose; Cojocaru, Crina; Boes, Andreas; Mitchell, A.

Description

Periodic inversion of ferroelectric domains is realized in a lithium niobate crystal by focused femtosecond near-infrared laser beam. One and two-dimensional domain patterns are fabricated. Quasiphase matched frequency doubling of 815nm light is demonstrated in a channel waveguide with an inscribed periodic domain pattern with conversion efficiency as high as 17.45%.

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
URI: http://hdl.handle.net/1885/159564
Source: Photonics Letters of Poland
DOI: 10.4302/plp.2016.2.02
Access Rights: Open Access

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