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Laser Optics and Quantum Optics

We investigate the structure of atoms and molecules with highest precision in order to find possible limits of existing physical laws. In the field of quantum science and quantum technology we also work on the development of quantum simulators and quantum computers and on absolutely safe transmission possibilities by means of quantum communication.

Using experiments in quantum optics, we investigate the interaction between light and matter. The laser has proven to be the ideal light source for this purpose, as it is extremely monochromatic and coherent. The laser enables us to perform high-resolution spectroscopy of individual atoms and ions, or even of antimatter. We observe the interaction of ultracold atoms in light crystals and build artificial solids that we can control very precisely at temperatures only a few millionths of a Kelvin above absolute zero. This allows us to study the behaviour of matter under the most extreme conditions in controlled laboratory conditions to find out how materials obtain their properties such as electrical conduction, magnetism, etc.

On the attosecond time scale we investigate the movement of single electrons within atoms in real time. We follow what happens to elementary particles after excitation. This allows us to explore the basic processes of life and the ultimate limits of electron-based signal processing in light controlled electronics. Another focus is on the development of future-oriented laser technologies for use in medicine, biology and materials science. In our research group, we also developed infrared spectroscopy laser technologies. This enables us to explore the molecular composition of blood in order to detect cancer at an early stage.

Prof. Dr. Immanuel Bloch

  • Bose-Einstein condensation
  • Ultracold fermionic quantum gases
  • Ultracold polar molecules

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Prof. Dr. Theodor W. Hänsch

  • Bose-Einstein condensation
  • Fermionic quantum gases
  • Frequency comb

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Prof. Dr. Stefan Karsch

  • Development of High-Field Lasers
  • Relativistic laser interaction with plasmas
  • Laser driven plasma accelerator, hybrid laser plasma accelerator

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Prof. Dr. Ulf Kleineberg

  • Multilayer x-ray optics for attosecond pulses
  • EUV Lithography
  • Time-resolved photoemission microscopy

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Prof. Dr. Matthias Kling

  • Attosecond spectroscopy of molecules and nanoscale solids
  • Controlling and imaging ultrafast molecular dynamics
  • Interaction of strong, ultrashort fields with clusters & nanomaterials

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Prof. Dr. Ferenc Krausz

  • High-intensity ultra-short light wave synthesis
  • Attosecond x-ray pulses and spectroscopy
  • Particle acceleration with light

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Prof. Dr. Eberhard Riedle

  • Examining the temporal behavior of optical switch molecules
  • Femtochemistry: explaining re-action mechanisms in molecules
  • Generation & characterization of the shortest tunable light pulses

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Prof. Dr. Hartmut Ruhl

  • Strong field physics
  • Quantum transport theory
  • Advanced simulation frameworks

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Prof. Dr. Harald Weinfurter

  • Experiments on the foundations of quantum physics
  • Quantum communication and quantum teleportation with correlating photons
  • Quantum cryptography

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