Going the distance: Metropolitan scale entanglement of NV-centers over deployed telecom fiber
A.J. Stolk (TU Delft - QID/Hanson Lab)
R. Hanson – Promotor (TU Delft - QN/Hanson Lab, TU Delft - QID/Hanson Lab)
Tim Taminiau – Copromotor (TU Delft - Quantum Internet Division)
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Abstract
The efforts to bring quantum states, fundamental building blocks of nature, from research labs into the outside world are intensifying. The generation and processing of remote quantum states between nodes in a network would allowfor new applications such as distributed quantum computing, quantumenhanced sensing and quantum communication. Various demonstrations of such a quantum network have been shown in a lab setting, such as the generation of a three node GHZ-state, device-independent quantum key distribution and memory enhanced quantumcommunication. Color centers in diamond have been at the forefront of these developments due to their optically active spin interface, long coherence times and nuclear spin registers. The Nitrogen Vacancy (NV-) center is the color center of choice in this thesis, which we describe in Chapter 2. We explain what an NV-center is, how to control it and how we can use them to generate remote entanglement.