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The third order optical nonlinear character of ZnSe nanocrystals doped silica glasses

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Abstract

ZnSe/SiO2 composites were fabricated with conventional sol–gel synthesis method. The absorption spectra of the semiconductor-doped glasses (SDGs) were presented and compared among different ZnSe doping amounts. The energy gap (E g) decreased distinctly as the content of ZnSe QDs increased. Nonlinear refractive indexes were measured by single beam Z-scan technique. The results revealed that the third order nonlinear susceptibility was efficiently affected by E g, which was explained by local field effect and Kramers–Kronig (KK) relation.

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Acknowledgement

This work was supported by the Ministry of Science and Technology of China through 973-project under grant 2002CB613305 and the Nature Science Foundation of Shannxi Province (2003E110).

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Authors and Affiliations

  1. Electronic Materials Research Laboratory, Key laboratory of the Ministry of Education, Xi’an Jiaotong University, Xi’an, 710049, China

    Xing Wan, Xi Yao, Minqiang Wang & Haiyan Hao

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  1. Xing Wan
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  2. Xi Yao
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  3. Minqiang Wang
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  4. Haiyan Hao
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Correspondence to Minqiang Wang.

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Wan, X., Yao, X., Wang, M. et al. The third order optical nonlinear character of ZnSe nanocrystals doped silica glasses. J Electroceram 21, 737–740 (2008). https://doi.org/10.1007/s10832-007-9287-z

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