Polarization and intensity dependence of all-optical poling in germanosilicate glass

Feng Xi; Li Fuquan; Lin Aoxiang; Wang Fang; Chai Xiangxu; Zhu Qihua; Wang Zhengping; Sun Xibo; Sun Xun

doi:10.3788/IRLA201948.0817002

An experimental platform capable of continuously controlling the polarization angle of the 1 and 2 lights was constructed, and a series of all-optical poling of the silicon germanium glass sample was realized. The poling effectiveness and poled direction, which were determined by the magnitude and direction of internal electric field, correlations of which with the poling polarization state and intensity were studied. Basically the experimental results were consistent with the classic model and its derivation, but quantitative inconsistencies were found as well, including local tendency, angle size, etc, which further proved the complexity of the all-optical poling process. It was experimentally found that the effectiveness of the poling process was the best when 1 and 2 lights were polarized parallel, and the poling process was also very sensitive to the poling intensity.

Polarization and intensity dependence of all-optical poling in germanosilicate glass

1. State Key Laboratory of Crystal Materials,Shandong University,Jinan 250100,China;

2. Research Center of Laser Fusion,China Academy of Engineering Physics,Mianyang 621900,China;

3. Key Laboratory of Functional Crystal Materials and Device(Shandong University),Ministry of Education,Jinan 250100,China

Received Date: 2019-03-11

Rev Recd Date: 2019-04-21

Publish Date: 2019-08-25

Key words:

Abstract: An experimental platform capable of continuously controlling the polarization angle of the 1 and 2 lights was constructed, and a series of all-optical poling of the silicon germanium glass sample was realized. The poling effectiveness and poled direction, which were determined by the magnitude and direction of internal electric field, correlations of which with the poling polarization state and intensity were studied. Basically the experimental results were consistent with the classic model and its derivation, but quantitative inconsistencies were found as well, including local tendency, angle size, etc, which further proved the complexity of the all-optical poling process. It was experimentally found that the effectiveness of the poling process was the best when 1 and 2 lights were polarized parallel, and the poling process was also very sensitive to the poling intensity.

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Reference (15)

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Polarization and intensity dependence of all-optical poling in germanosilicate glass

doi: 10.3788/IRLA201948.0817002

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