Our research combines the development of scalable photonic quantum technology for quantum computing and other quantum information applications with the investigation of fundamental quantum science questions. The main activities reach from quantum control of single photons using solid-state photon sources, integrated waveguide technology, tailored nonlinear media and detectors based on superconductor technology to interferometric precision measurements of weak gravitational forces.


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Congratulations to Lena Hansen on defending her Master thesis with distinction!



Two teams have made photons act as if time were simultaneously flowing in two directions. The experiments demonstrate a way to potentially boost the...


In the world around us processes appear to follow a certain time-direction: dandelions eventually turn into blowballs. However, the quantum realm does...