D I S S E R T A T I O N

Optical Properties of Semiconductor Nanostructures

ausgeführt zum Zwecke der Erlangung des akademischen Grades
eines Doktors der technischen Wissenschaften

eingereicht an der Technischen Universität Wien
Fakultät für Elektrotechnik und Informationstechnik
von

Mahdi Moradinasab

Leomathausergasse 69/2
1230 Wien, Österreich

geboren am 24 August 1982 in Teheran, Iran

Wien, im März 2015      

Abstract
Kurzfassung
Acknowledgment
Contents
List of Figures
List of Tables
1 List of Abbreviations
2 Introduction
 2.1 Graphene-Based Structures
 2.2 Quantum Cascade Structures
 2.3 Outline of This Work
3 Optical Properties of Armchair Graphene Nanoribbons
 3.1 Models
 3.2 Optical Matrix Elements
 3.3 Dielectric Response
 3.4 Conclusions
4 Optical Properties of Zigzag Graphene Nanoribbons
 4.1 Electronic Band Structure
 4.2 Wave Functions
 4.3 Optical Matrix Elements
 4.4 Results and Discussion
 4.5 Conclusions
5 Graphene Superlattice-Based Photodetectors
 5.1 Graphene Superlattice Properties
 5.2 Line-edge Roughness Effects
 5.3 Conclusions
6 Quantum Cascade Lasers
 6.1 Models
 6.2 Performance Optimization
 6.3 Dynamics of QCLs
 6.4 Quantum Cascade Detectors
7 Summary and Conclusions
A AGNR Optical Matrix Elements
B ZGNR Optical Matrix Elements
 B.1 Bloch Wave Functions Prefactors
 B.2 Transverse Wave Functions Amplitude
 B.3 Optical Matrix Elements
C QCL Linear Stability Analysis
Bibliography
List of Publications
 Publications in Scientific Journals
 Publications in Conference Proceedings
Curriculum Vitae