Compositional dependence of the nonlinear refractive index of new germanium-based chalcogenide glasses

被引：78
|
作者：
Petit, L. [1 ]
Carlie, N. [1 ]
Chen, H. [1 ]
Gaylord, S. [1 ]
Massera, J. [1 ]
Boudebs, G. [2 ]
Hu, J. [3 ]
Agarwal, A. [3 ]
Kimerling, L. [3 ]
Richardson, K. [1 ]
机构：
[1] Clemson Univ, Sch Mat Sci & Engn, Clemson, SC 29634 USA
[2] Univ Angers, CNRS, UMR 6163, Lab Proprietes Opt Mat & Applicat, F-49045 Angers 01, France
[3] MIT, Microphoton Ctr, Cambridge, MA 02139 USA
来源：
JOURNAL OF SOLID STATE CHEMISTRY | 2009年 / 182卷 / 10期
基金：
美国国家科学基金会;
关键词：
Chalcogenide glass; Nonlinear refractive index; Raman spectroscopy; OPTICAL-PROPERTIES; CHALCOHALIDE GLASSES; RAMAN GAIN; STRUCTURAL-PROPERTIES; 2-PHOTON ABSORPTION; SULFIDE GLASSES; SYSTEM; 3RD-ORDER; TELLURITE; FIBER;
D O I：
10.1016/j.jssc.2009.07.027
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
in this paper, we report results Of n(2) measurements of new chalcogenide glasses in the Ge-Sb-S-Se system using a modified Z-Scan technique. Measurements were made with picosecond pulses emitted by a 10 Hz Q-switched mode-locked Nd-YAG laser at 1064 nm under conditions suitable to characterize ultrafast nonlinearities. The nonlinear index increases up to 500 times the n2 of fused silica with an increase in the Ge/Se ratio and a decrease with an increase of the Ge/Sb ratio. We confirmed, using Raman spectroscopy, that the nonlinear refractive index depends oil the number of Ge-S(Se) and Sb-S(Se) bonds in the glass network. Sulfide glasses were shown to have a nonlinear FOM near or <1, at 1064 nm. (C) 2009 Elsevier Inc. All rights reserved.
引用
收藏
页码：2756 / 2761
页数：6
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