Influence of anisotropies on transverse modes in oxide-confined VCSELs

被引：59

作者：

Debernardi, P ^{[1
]}

Bava, GP

Degen, C

Fischer, I

Elsässer, W

机构：

[1] Politecn Torino, Dipartimento Elettron, CNR, IRITI, I-10129 Turin, Italy

[2] UdR Politecn Torino, INFM, I-10129 Turin, Italy

[3] Tech Univ Darmstadt, Inst Appl Phys, D-64289 Darmstadt, Germany

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 2002年 / 38卷 / 01期

关键词：

birefringence; polarization; symmetry-breaking; transverse modes; VCSEL; vectorial fields;

D O I：

10.1109/3.973322

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：

We present a comprehensive fully vectorial model for the cavity eigenmodes of oxide-cofined vertical-cavity surface-emitting lasers (VCSELs) with the details of their complex structure. It includes device-inherent symmetry-breaking mechanisms like noncircular geometries and material anisotropies related to the elasto-optic and electro-optic effect. The latter is accounted for in the model starting from the material and doping profiles. We compare these theoretical results with experimental findings of spectrally and polarization-resolved transverse mode nearfields of oxide-confined VCSELs with two different aperture diameters. Within a parametric study of the influence of aperture anisotropies we are able to calculate frequencies and gains of all transverse mode families, their polarization dependence and their spatial mode profiles which are in good agreement with the experimental findings.

引用

页码：73 / 84

页数：12

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