Infrared and Laser Engineering, Volume. 48, Issue 8, 817002(2019)

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

Feng Xi1,2,3, Li Fuquan2, Lin Aoxiang2, Wang Fang2, Chai Xiangxu2, Zhu Qihua2, Wang Zhengping1,3, Sun Xibo2, and Sun Xun1,3
Author Affiliations
  • 1[in Chinese]
  • 2[in Chinese]
  • 3[in Chinese]
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    An experimental platform capable of continuously controlling the polarization angle of the 1ω and 2ω 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 1ω and 2ω lights were polarized parallel, and the poling process was also very sensitive to the poling intensity.

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    Feng Xi, Li Fuquan, Lin Aoxiang, Wang Fang, Chai Xiangxu, Zhu Qihua, Wang Zhengping, Sun Xibo, Sun Xun. Polarization and intensity dependence of all-optical poling in germanosilicate glass[J]. Infrared and Laser Engineering, 2019, 48(8): 817002

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    Paper Information

    Category: Materials and Thin films

    Received: Mar. 11, 2019

    Accepted: Apr. 21, 2019

    Published Online: Sep. 3, 2019

    The Author Email:

    DOI:10.3788/irla201948.0817002

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