The lectures of this international school were designed topresent overviewsof the basic concepts, current researchand research developments of semiconductor quantum devicesnot only to young scientists, but also to graduate andpostgraduate students. This book provides the basicfundamentals helpful for the future work of youngresearchers: thebasic principles of the different growthmethods and of the structural, electrical and opticalproperties of semiconductor heterostructures.Thebook covers a wide range of the scientific research inthe field of semiconductor quantum devices and focuses onlinks between physics and technology. Particular relevanceis given to the technology, fabrication andphysics ofelectronic and opto-electronic devices.