ENERGY-LEVELS OF SINGLE AND COUPLED QUANTUM-WELLS EMBEDDED IN CYLINDRICAL BUFFER BARRIERS AFFECTED BY AN AXIAL MAGNETIC-FIELD

被引：3

作者：

PING, EX ^{[1
]}

DALAL, V ^{[1
]}

机构：

[1] IOWA STATE UNIV SCI & TECHNOL,MICROELECTR RES CTR,AMES,IA 50011

来源：

JOURNAL OF APPLIED PHYSICS | 1994年 / 76卷 / 04期

关键词：

D O I：

10.1063/1.357570

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Energy levels of an electron in single and coupled quantum wells embedded in cylindrical buffer barriers are studied under the influence of an axial magnetic field. An iteration algorithm which matches the boundary conditions of the wave function across interfaces is developed. It is shown that energy levels are tuned continuously as a function of the magnetic field strength. The degeneracy of energy levels occurring in planar coupled quantum wells for large barrier thickness is completely lifted due to the break of the symmetry in the cylindrical coupled quantum wells. Potential applications for tunable semiconductor lasers are proposed.

引用

页码：2547 / 2549

页数：3

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