Widegap II-VI compound optical modulators of ZnSe/ZnMgSSe asymmetric coupled quantum wells

被引：0
|
作者：
Abe, T [1 ]
Yamada, H [1 ]
Itano, N [1 ]
Kasada, H [1 ]
Ando, K [1 ]
机构：
[1] Tottori Univ, Fac Engn, Dept Elect & Elect Engn, Tottori 6808852, Japan
来源：
COMMAD 2000 PROCEEDINGS | 2000年
关键词：
D O I：
10.1109/COMMAD.2000.1022890
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We report on widegap II-VI compound short wavelength optical modulators. of ZnSe/ ZnMgSSe asymmetric coupled quantum wells (ACQWs). Effective mass approximated calculations have shown that ZnSe(50Angstrom)-ZnMgSSe(30Angstrom)-ZnSe(20Angstrom) ACQW exhibits week Stark effect region (< 40kV/cm) and strong Stark effect region (> 40kV/cm). These simulations are experimentally confirmed by a p-i-n structure ACQW modulator grown by molecular beam epitaxy (NME). The present device exhibits a low reverse bias operation (similar to8V) with modulation ratio(T-on/T-off) of 1.08 at room temperature.
引用
收藏
页码：57 / 60
页数：4
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