Identifying the best chalcogenide glass compositions for the application in mid-infrared waveguides

被引:7
|
作者
Wang, Rongping [1 ]
Su, Xueqiong [1 ]
Bulla, Douglas [1 ]
Wang, Ting [1 ]
Gai, Xin [1 ]
Yang, Zhiyong [1 ]
Madden, Steve [1 ]
Luther-Davies, Barry [1 ]
机构
[1] Australian Natl Univ, Ctr Ultrahigh Bandwidth Devices Opt Syst CUDOS, Laser Phys Ctr, Res Sch Phys & Engn, Canberra, ACT 0200, Australia
关键词
Chalcogenide glasses; photonics;
D O I
10.1117/12.2074815
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We prepared numbers of GeAsSe glasses and investigated their thermal stability and optical properties in order to search the best glasses with relatively high glass transition temperature T-g, strong structural stability, low optical loss and high optical nonlinearity. Through our systematical measurements, we concluded that the glasses with a mean coordination number around 2.45-2.5 are the best for the applications in photonics with (T)g of 450K, low optical loss of 0.2dB/cm, high optical nonlinearity 7.5x10(-14)cm(2)/W and less photosensitivity.
引用
收藏
页数:5
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