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Wavelength and position tuning of Čerenkov second-harmonic generation in optical superlattice

Kalinowski, Ksawery; Kong, Qian; Roppo, Vito; Arie, Ady; Sheng, Yan; Krolikowski, Wieslaw


We study experimentally the Čerenkov second-harmonic generation in an optical superlattice formed in periodically poled lithium niobate crystal. We demonstrate strong sensitivity of the Čerenkov signal to the wavelength, diameter, and position of the incident fundamental beam. We model the observed behavior by using simple approach based on multiple interference of second harmonic signals emitted from the vicinity of the domain walls.

CollectionsANU Research Publications
Date published: 2011-11-04
Type: Journal article
Source: Applied Physics Letters
DOI: 10.1063/1.3659493


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