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Manipulation of quadratic cascading processes in a locally quasi-periodic χ(²) medium

Wang, Wenjie; Sheng, Yan; Liu, Shaoding; Niu, Xiaoying; Krolikowski, Wieslaw


We theoretically and numerically investigate the quadratic cascading effect of third-harmonic (TH) generation in a locally quasi-periodic nonlinear photonic structure. We study the effect of structure parameters on the acceptance bandwidth and conversion efficiency of the cascading process. We demonstrate that the conversion efficiency of the cascading process can be enhanced by using a longer locally quasi-periodic nonlinear photonic crystal, without adversely affecting the acceptance...[Show more]

CollectionsANU Research Publications
Date published: 2014-03-24
Type: Journal article
Source: Optics express
DOI: 10.1364/OE.22.006976
Access Rights: Open Access


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