REFRACTIVE-INDEX AND ELECTROOPTIC EFFECT IN COMPRESSIVE AND TENSILE STRAINED QUANTUM-WELLS

被引:15
作者
PAMULAPATI, J [1 ]
LOEHR, JP [1 ]
SINGH, J [1 ]
BHATTACHARYA, PK [1 ]
LUDOWISE, MJ [1 ]
机构
[1] HEWLETT PACKARD CO,PALO ALTO,CA 94304
关键词
D O I
10.1063/1.348418
中图分类号
O59 [应用物理学];
学科分类号
摘要
The effects of biaxial compressive and tensile strain on the excitonic resonances and associated changes in refractive index and electro-optic effect in quantum wells have been calculated and measured. Theoretical calculations include the important heavy-hole-light-hole band mixing effects. It is seen that the excitonic contributions dominate near the band edge. With increasing compressive strain the linear electro-optic effect is slightly increased, while the quadratic effect is greatly enhanced. The effects are reversed in quantum wells under tensile strain.
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收藏
页码:4071 / 4074
页数:4
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