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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Our experimental superposition of orders of quantum gates appeared on arXiv.


Philip Walther was awarded the Recognition Award for Science by Lower State Austria 2014.


Our demonstration of linear-optical generation of eigenstates of the two-site XY model appeared on arXiv.