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Effect of CdS on the third-order nonlinearity in bulk GeS2-Ga2S3-CdS chalcogenide glasses

X. HE1, Q. LIU1,* , P. ZHANG1, H. ZHOU2, Y. HOU1, S. QIAN2, XIUJIAN ZHAO1

Affiliation

  1. Key Laboratory of Silicate Materials Science and Engneering (Wuhan University of Technology), Ministry of Education, Wuhan, Hubei 430070
  2. Department of Physics, Fudan University, Shanghai 200433

Abstract

Effect of CdS on the third-order nonlinearity χ(3) in bulk GeS2-Ga2S3-CdS chalcogenide glasses was investigated using the Z-scan measurements. The χ(3) increased with the increase of CdS content, which was strongly related to the addition of Cd, because it caused the appearance of non-briging sulfurs in glass, and the polarity of bonds in glasses was enhanced to lead serious distortion of atoms electron clouds to induce larger third-order nonlinear responses. The largest third-order nonlinear susceptibility of the glass containing 15% CdS (in mol) in our experiments was obtained as 9.17×10-13 esu..

Keywords

Chalcogenide glasses, Third-order Nonlinearity, Z-scan.

Submitted at: Dec. 9, 2010
Accepted at: Jan. 26, 2011

Citation

X. HE, Q. LIU, P. ZHANG, H. ZHOU, Y. HOU, S. QIAN, XIUJIAN ZHAO, Effect of CdS on the third-order nonlinearity in bulk GeS2-Ga2S3-CdS chalcogenide glasses, Journal of Optoelectronics and Advanced Materials Vol. 13, Iss. 1, pp. 19-23 (2011)