Large optical Kerr effect in bulk GeSe2-In2Se3-CsI chalcohalide glasses

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Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.3/196117

Title: Large optical Kerr effect in bulk GeSe2-In2Se3-CsI chalcohalide glasses
Author(s): Xu, Yinsheng; Zhang, Qiming; Wang, Wei; Zeng, Huidan; Xu, Lei; Chen, Guorong
Abstract: Third-order nonlinear optical properties of GeSe2–In2Se3–CsI chalcogenide bulk glasses are studied by Standard pico-second (ps) time-resolved optical Kerr effect (OKE) technique. The obtained χ(3) and n2 at 1064 nm of the glass 72.25GeSe2–23.75In2Se3–5CsI are as large as 10.07 × 10−12 esu and 6.5 × 10−18 m2/W, respectively, more than twice that of As2S3 glass. The relationship between glass compositions and the third-order nonlinear optical responses was analyzed by Raman spectra in terms of structural evolution. It is suggested that the tetrahedral units ([GeSe4] and [InSe4]) play an important role in the ultrafast third-order nonlinear optical responses of these chalcohalide glasses.
Publication type: Journal article
Source: Chemical Physics Letters, Vol. 462, no. 1-3 (Sep 2008), pp. 69-71
Publication year: 2008
FOR Code(s): 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics; 0306 Physical Chemistry (Incl. Structural); 1007 Nanotechnology
Keyword(s): Chalcohalide glasses; Nonlinear optical properties; Optical Kerr effect
Publisher: Elsevier
ISSN: 0009-2614
Publisher URL: http://dx.doi.org/10.1016/j.cplett.2008.07.051
Peer reviewed