EXPERIMENTAL INVESTIGATIONS OF OPTICAL NONLINEARITIES IN SEMICONDUCTOR-DOPED GLASS WAVE-GUIDES

被引:7
作者
DANNBERG, P
POSSNER, T
BRAUER, A
BARTUCH, U
机构
[1] Friedrich-Schiller-Univ Jena, Germany
来源
PHYSICA STATUS SOLIDI B-BASIC RESEARCH | 1988年 / 150卷 / 02期
关键词
Glass--Doping - Interferometers - Light--Nonlinear Optical Effects - Relaxation Processes - Semiconducting Cadmium Compounds;
D O I
10.1002/pssb.2221500281
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Both thermal and electronic optical nonlinearities are studied in semiconductor-doped glass (SDG) waveguides (doped with CdSxSe1-x) which are fabricated in commercially available sharp-cut filters by Cs+K+ ion exchange. The relaxation time in photodarkened substrates is measured to be 30 ps. By means of a prism coupling set-up the saturation value of the nonlinear index change is determined. Furthermore, a high stability dual-beam interferometer is presented for the measurement of both thermal and electronic nonlinear refractive index n2 in planar waveguides. Conclusions about the application of SDG to opto-optical switching are given.
引用
收藏
页码:873 / 877
页数:5
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