159 158 Principal Scientist Profiles Andreas Tünnermann Andreas Tünnermann Principal Scientist Profiles PROFESSOR OF APPLIED PHYSICS, INSTITUTE OF APPLIED PHYSICS Prof. Tünnermann is the director of the Institute of Applied Physics, and the Fraunhofer IOF. He is a member of the board of directors of the Helmholtz Institute in Jena and of the Abbe Center of Photonics. Andreas Tünnermann has been distinguished with many prizes and awards, among them the Gottfried Wilhelm Leibniz Award of the DFG, the Schott Award of the Carl-Zeiss-Stiftung, the Leibinger-Innovation award of Trumpf Laser, the Lothar-Späth-Award, and the Thuringian Order of Merit. In 2015 he was awarded with a prestigious European Research Council (ERC) Advanced Grant for boosting novel concepts of fiber lasers. Since 2019, he is the spokesperson of the national Max Planck School of Photonics. ANDREAS TÜNNERMANN RESEARCH AREAS Andreas Tünnermann is leading one of the most creative research groups in modern optics and photonics world-wide. His main research interests include scientific and technological aspects associated with the tailoring of light. Research topics are the design and manufacturing of novel photonic devices and their application for light generation, amplification, guiding and switching, including: • Functional optical surfaces and coatings • Micro-, nano- and quantum optics • Optical fibers, waveguides, and fiber lasers • Imaging and projection systems TEACHING FIELDS Prof. Tünnermann teaches students in the courses B.Sc. Physics, M.Sc. Physics and M.Sc. Photonics. He offers lectures in: • Atomic and molecular physics • Laser and ultra-short physics • Structure of matter RESEARCH METHODS The laboratories of the Institute of Applied Physics and of the Fraunhofer IOF offer world-unique facilities, including the following to name only a few: • 1.115 m2 class 10,000 to 10 clean room area • Electron beam lithography (Vistec SB350) and related nanostructure technology • Ultra-precise diamond tools for 3D pattern generation • Glass chemistry and fiber drawing tower RECENT RESEARCH RESULTS The Institute of Applied Physics headed by Andreas Tünnermann carries out fundamental and applied research in the fields of micro-, nano- and quantum optics, as well as fiber- and waveguide engineering. It develops novel optical materials, elements and concepts for information and communication technology, process technology, life science and medicine, environment and enery, as well as material processing and optical measurement techniques. Current research topics - dealt with by over 150 scientists - concern function, design and fabrication of micro-and nanooptical elements. Those are e.g. resonant nanometric structures, polarizers from IP to DUV range, 3D nano-structuring of crystals with ion beam and Atomic Layer Deposition of optical coatings. Also, light propagation and nonlinear light-matter interaction in e.g. photonic nanomaterials, including metamaterials, photonic crystals, as well as effective media, quantum phenomena and integrated quantum optics, application of photonic nanomaterials and advanced photonic concepts for astronomical instruments are investigated. Further research fields are the applications of femtosecond laser pulses, such as material processing and spectroscopic analyses, as well as micro- and nanostructuring, medical (laser) application and additive manufacturing usage of ultrashort laser pulses. For further aims, new concepts for solid-state lasers with focus on fiber laser technology are to be developed. In addition, the employees of the Fraunhofer Institute for Applied Optics and Precision Engineering IOF conduct application-oriented research in the field of optical system technology for industry and as part of publicly funded joint projects. The various work groups represent the entire process chain from system design to the production of prototypes for optical, optomechanical and opto-electronic systems. Close cooperation with the Institute for Applied Physics within the Center of excellence in Photonics is of strategic importance in scientific projects as well as in training young scientists. TECHNOLOGIES FOR APPLIED QUANTUM PHOTONICS In recent years, Andreas Tünnermann‘s research groups have made significant contributions to establishing applied quantum photonics as a focus and beacon in development, research and teaching in Jena. These works can be seen in the light of the second quantum revolution and can already look back on important scientific and technological contributions, especially in the areas of quantum communication and quantum imaging. Understanding photonic technologies as an enabler for excellent fundamental research and a driver for breakthrough innovations is the backbone of this important strategic direction. Recent research highlights are the development of space-suitable sources for entangled photons, research work on scalable and space-suitable sources for single photons, the integration of quantum optical systems in waveguides and nano-optics as well as the demonstration of novel, highly sensitive imaging systems with exotic states of light. These results were backed by substantial support of different projects. These include the QuNET project, which implements quantum-encrypted connections, and also the project QUILT, in which quantum based imaging technologies are systematically developed. Quantum-based table-top demonstrator for cryptographically secure communication. Contact: Phone: + 49 3641 9-47800 Email: andreas.tuennermann@uni-jena.de
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