PROPAGATION CHARACTERISTICS OF GAAS/ALGAAS QW RIDGE WAVE-GUIDES

被引:2
作者
CHINNI, VR
MENYUK, CR
CHEN, YJ
机构
[1] Department of Electrical Engineering, University of Maryland, Baltimore
关键词
D O I
10.1109/68.118027
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
A method is presented which allows us to accurately determine geometric effects in QW devices. Finite element methods have been used in combination with perturbation techniques to determine the propagation characteristics of a single QW GaAs/AlGaAs ridge waveguide. The attenuation coefficient and phase shift are evaluated for both TE and TM polarizations. The results show that a simple slab model overestimates the attenuation and phase change for wavelengths smaller than the excitonic resonances of the QW and underestimates them for larger wavelengths.
引用
收藏
页码:1120 / 1123
页数:4
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