Double frequency absorption induced by Al-Si schottky barrier potential and mechanism of two-photon response

Xiaoting Zhang; Yanjun Gao; Zhanguo Chen; Gang Jia; Yunlong Liu; Xiuhuan Liu; Yuhong Zh

doi:10.1117/12.667740

23 January 2006 Double frequency absorption induced by Al-Si Schottky barrier potential and mechanism of two-photon response

Xiaoting Zhang, Yanjun Gao, Zhanguo Chen, Gang Jia, Yunlong Liu, Xiuhuan Liu, Yuhong Zh

Author Affiliations +

Proceedings Volume 6029, ICO20: Materials and Nanostructures; 602917 (2006) https://doi.org/10.1117/12.667740
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China

Abstract

By observing two-photon response and anisotropy of the light-induced voltage in Si-Al Schottky barrier potential of the Si MSM (Metal-Semiconductor-Metal) planar structure two-photon response optical detector. It is certified from the experimental and theoretical analysis that the built-in electric field generated by the Schottky barrier potential will induce the phenomena of optical rectification in Si photodiode. Thus, it is deduced that there must be double-frequency absorption (DFA) caused by phase-mismatch in the mechanism of two-photon response of Si photodiode. If the intensity of the built-in electric field is strong enough, the DFA will be the main feature of the two-photon response.

Citation Download Citation

Xiaoting Zhang, Yanjun Gao, Zhanguo Chen, Gang Jia, Yunlong Liu, Xiuhuan Liu, and Yuhong Zh "Double frequency absorption induced by Al-Si Schottky barrier potential and mechanism of two-photon response", Proc. SPIE 6029, ICO20: Materials and Nanostructures, 602917 (23 January 2006); https://doi.org/10.1117/12.667740

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