Microscopic theory of nanostructured laser devices with short-wavelength emission

短波长发射纳米结构激光器件的微观理论

• 批准号: 5403272
• 负责人: Professor Dr. Frank Jahnke
• 金额: --
• 依托单位: Institut für Theoretische Physik (ITP)
• 依托单位国家: 德国
• 项目类别: Research Units
• 财政年份: 2003
• 资助国家: 德国
• 起止时间: 2002-12-31 至 2008-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/5403272?language=en
• 关键词: Microscopic; theory; nanostructured; laser; devices

A theory for quantum-dot laser systems will be developed to analyze the properties and to guide the optimization of new Nitride-based laser devices which are the subject of projects I.1 and I.2 of this research group. To understand the interplay of nanostructuring and various electronic interaction processes, the application of microscopic models will be necessary. As a central point, the optical gain in quantum-dot systems will be analyzed in comparison to quantum-well systems which have been extensively studied in the past. Optical properties of single quantum dots, studied experimentally in project I.2, are the basis for these investigations. The interplay of carrier injection, electron dynamics in the quantum-confined states, optical gain, and cavity modes of a realistic laser structure will be analyzed to understand the laser emission properties like input-output characteristics and laser threshold, emission spectrum, and dynamical properties. Both, conventional edge-emitters as well as novel vertical-cavity surface-emitting laser structures will be investigated. The theoretical models will directly incorporate results of projects III.1 and III.2.

将开发出一种量子点激光系统的理论来分析属性并指导基于硝酸盐的新硝酸激光设备的优化，这些激光器设备是本研究组的项目I.1和I.2的主题。为了了解纳米结构和各种电子交互过程的相互作用，将需要应用微观模型。作为一个中心点，与过去已经进行了广泛研究的量子孔系统相比，量子点系统中的光学增益将进行分析。单个量子点的光学特性，在项目I.2中进行实验研究，是这些研究的基础。将分析载流子注入，量子限制状态中的电子动力学，光学增益和逼真的激光结构的空腔模式，以了解激光发射特性，例如输入输出特性和激光阈值，发射光谱和动力学特性。都将研究常规的边缘发射器以及新型的垂直腔表面发射激光结构。理论模型将直接结合项目III.1和III.2的结果。