Nonlinear optical properties of a Poschl-Teller quantum well

被引：126

作者：

Yildirim, H ^{[1
]}

Tomak, M ^{[1
]}

机构：

[1] Middle E Tech Univ, Dept Phys, TR-06531 Ankara, Turkey

来源：

PHYSICAL REVIEW B | 2005年 / 72卷 / 11期

关键词：

D O I：

10.1103/PhysRevB.72.115340

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The nonlinear optical properties of quantum wells (QWs) represented by a Poschl-Teller confining potential are studied. This potential is well suited for such purposes as it can easily become asymmetrical by a correct choice of its parameter set. We calculate the linear and the third-order nonlinear optical intersubband absorption coefficients, the second-harmonic generation (SHG) susceptibility tensor, and optical rectification (OR) under the density matrix formalism. Numerical results for a typical GaAs QW are presented. The resulting SHG and the OR coefficients are much larger than their values for bulk GaAs.

引用

页数：6

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