REFRACTIVE-INDEXES OF (ALAS)(GAAS) SHORT-PERIOD SUPERLATTICES

被引：0

作者：

BLOOD, P ^{[1
]}

FLETCHER, ED ^{[1
]}

FOXON, CT ^{[1
]}

MURDIN, BN ^{[1
]}

LACKLISON, DE ^{[1
]}

机构：

[1] PHILIPS RES LABS,REDHILL RH1 5HA,SURREY,ENGLAND

来源：

OPTICAL AND QUANTUM ELECTRONICS | 1991年 / 23卷 / 07期

关键词：

D O I：

10.1007/BF00624978

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：

The refractive indices of short-period binary (AlAs)m(GaAs)n superlattices, where m = n, were investigated by measuring the beam divergences of optical waveguides using these superlattices as the core material. It is demonstrated that the refractive index depends on the period of the superlattice and not simply on the average composition. The refractive index is shown to depend in a systematic way on the direct bandgap of the superlattice, although the relationship may not be quite the same as that for a random alloy.

引用

页码：S895 / S900

页数：6

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