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Paul Urbach, TU Delft (Netherlands) |
For the sixth time, a special session of EOSAM is dedicated to the Grand Challenges of Photonics. In this session, world-class speakers will discuss technologies which are revolutionary, uncommon and not realizable to date, but can pave the way for an even brighter future in optics and photonics.
https://www.eso.org/sci/facilities/eelt/
Entanglement – the property that particles can share a single quantum state - is arguably the most counterintuitive yet potentially most powerful element in quantum theory. The non-local features of quantum theory are highlighted by the conflict between entanglement and local causality discovered by John Bell. Decades of Bell inequality tests, culminating in a series of loophole-free tests in 2015, have confirmed the non-locality of Nature. Future quantum networks may harness these unique features of entanglement in a range of exciting applications, such as distributed quantum computation, secure communication and enhanced metrology for astronomy and time-keeping. To fulfill these promises, a strong worldwide effort is ongoing to gain precise control over the full quantum dynamics of multi-particle nodes and to wire them up using quantum-photonic channels.
Diamond spins associated with NV centers are promising building blocks for such a network as they combine a coherent electron-optical interface with a local register of robust and well-controlled nuclear spin qubits. Here I will introduce the field of quantum networks and discuss ongoing work with the specific target of realizing the first multi-node network wired by quantum entanglement.
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AUTUMN PHYSICS SCHOOL
VirtualLab Seminar
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