Measurement and observation of transient nonlinear effect of Sb2Te3 phase change thin films

Qisong Li; Kui Zhang; Tao Wei; Jingsong Wei; Long Zhang

doi:10.1117/12.2248516

12 October 2016 Measurement and observation of transient nonlinear effect of Sb₂Te₃ phase change thin films

Qisong Li, Kui Zhang, Tao Wei, Jingsong Wei, Long Zhang

Proceedings Volume 9818, 2016 International Workshop on Information Data Storage and Tenth International Symposium on Optical Storage; 981812 (2016) https://doi.org/10.1117/12.2248516
Event: 2016 International Workshop on Information Data Storage and Tenth International Symposium on Optical Storage, 2016, Changzhou, China

Abstract

Phase change material Sb₂Te₃ has been proved to possess a strong nonlinear saturation absorption effect, which could produce a dynamic and reversible optical pinhole channel as the origin of breaking through the diffraction limit. In this work, a pump–probe experimental setup is constructed to explore the transient formation process of the dynamic and reversible optical pinhole channel, and the transient transmission and reflection light intensities of the Sb₂Te₃ are measured directly. The results show that Sb₂Te₃ is an appropriate material for the mask layer of super resolution nano-optical fabrication.

Citation Download Citation

Qisong Li, Kui Zhang, Tao Wei, Jingsong Wei, and Long Zhang "Measurement and observation of transient nonlinear effect of Sb₂Te₃ phase change thin films", Proc. SPIE 9818, 2016 International Workshop on Information Data Storage and Tenth International Symposium on Optical Storage, 981812 (12 October 2016); https://doi.org/10.1117/12.2248516

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