Quantum Technologies The next generation of quantum technologies holds immense potential for innovation in our economy, society as well as many industries and is highly important for Germany and Europe. Entirely new and unexplored solutions could unfold for improving efficiency, sustainability, security, telecommunication, computation and medicine, for example. Fraunhofer is an essential partner of the European industry and, at the same time, acts as an integrator and multiplier of disruptive technology leaps. As such, we are committed to the efficient and sustainable transfer of scientific knowledge into applications for the benefit of society - which is why new quantum technologies represent an important research field in our portfolio. In this book, Fraunhofer presents its knowledge and experience on quantum technology innovations in the areas of sensing, imaging, communication and computing, as well as their scientific foundations and applications. The Editor Prof. Dr.Ing. Reimund Neugebauer is the 10th president of the FraunhoferGesellschaft. He took office on October 1, 2012. Under his leadership, the FraunhoferGesellschaft has grown by approximately 10,000 employees and has increased its budget by around 1 billion euros.