The Max-Planck-Institute of Quantum Optics (abbreviation: MPQ; German: Max-Planck-Institut für Quantenoptik) is a part of the Max Planck Society which operates 87 research facilities in Germany.The institute is located in Garching, Germany, which in turn is located 10 km north-east of Munich. Five research groups work in the fields of attosecond physics, laser physics, quantum information theory, laser spectroscopy, quantum dynamics and quantum many body systems.