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Research
My research centers on solid-state-based Quantum Systems for Information Technologies. I explore silicon color centers and rare-earth-doped crystals & molecules with prospects for coherent initialization, control and readout. Further interests comprise using controllable quantum systems to investigate fundamental aspects of quantum mechanics, e.g. through the violation of Bell's inequality.
Supremely coherent Terbium pairs
We probe strongly interacting Tb pairs whose quantum states, thanks to localization effects, form highly coherent qubits with 100-fold longer coherence times than single ions. Moreover, we uncover a quantum mechanical decoherence mechanism that we call 'ring- exchange' and which is responsible for decohering singlet and clock-state systems.
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