Theoretical Quantum Optics

Exploiting quantum optics for sensing and fundamental questions.

Picture: Alexander Friedrich

New Publication

Scientists at Uni Ulm and TUDa propose new tests of spacetime and general relativity with quantum sensors: Combining atomic clocks with atom interferometry has intriguing implications on our understanding of time.

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Nobel Prize in Physics 2022

We congratulate Alain Aspect, John F. Clauser and Anton Zeilinger on the Nobel Prize in Physics 2022 “for experiments with entangled photons, establishing the violation of Bell inequalities and pioneering quantum information science”.

Besides, entanglement can manifest itself in form of momentum entanglement, which we intend to exploit in the INTENAS project to increase the sensitivity of atom interferometers.

The Theoretical Quantum Optics group at the Institute of Applied Physics, TU Darmstadt, studies theoretically quantum properties of light, matter and their interaction. Our research focuses on quantum-mechanical tests of fundamental physics as well as the development of quantum technologies for sensing and metrology. High-precision measurements of gravity lead us to the interface of two fields, namely quantum mechanics and relativity, and sometimes even into space. Our interests range from quantum gases to atom optics, from nonlinear quantum-optical effects to atom interferometry, and from quantum metrology to inertial sensing. Although working on theoretical and fundamental physics, we make an effort to stay in touch with the experimental reality.

Group Leader

Prof. Dr. Enno Giese leads the research group ''Theoretical Quantum Optics'' at the Institute for Applied Physics since 2021.

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