A Telecom Infrastructure Compatible Quantum Link Using NV-centers
A.J. Stolk (TU Delft - QID/Hanson Lab, TU Delft - QuTech Advanced Research Centre, Kavli institute of nanoscience Delft)
K.L. van der Enden (TU Delft - QuTech Advanced Research Centre, TU Delft - QID/Hanson Lab, Kavli institute of nanoscience Delft)
M. Röhsner (TU Delft - QuTech Advanced Research Centre, Kavli institute of nanoscience Delft, TU Delft - QID/Hanson Lab)
I. te Raa (TU Delft - QID/Software Group, TU Delft - QuTech Advanced Research Centre)
R.A.J. Hagen (TNO, TU Delft - BUS/TNO STAFF, TU Delft - QuTech Advanced Research Centre)
J.J.B. Biemond (TNO, TU Delft - QuTech Advanced Research Centre, TU Delft - BUS/TNO STAFF)
A.J.H. Meskers (TNO, TU Delft - BUS/TNO STAFF, TU Delft - QuTech Advanced Research Centre)
J.P.J. Morits (TU Delft - BUS/TNO STAFF, TU Delft - QuTech Advanced Research Centre, TNO)
E.J. van Zwet (TNO, TU Delft - BUS/TNO STAFF, TU Delft - QuTech Advanced Research Centre)
R. Hanson (TU Delft - QN/Hanson Lab, TU Delft - QID/Hanson Lab, Kavli institute of nanoscience Delft, TU Delft - QuTech Advanced Research Centre)
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Abstract
We show the latest progress towards establishing a solid-state, metropolitan quantum link, consisting of two remote Nitrogen Vacancy (NV)-centers and a central measurement station. The entanglement is generated by converting single emitted photons to the same frequency in the telecom L-band, guiding them to a central beamsplitter, where a joint Bell-state measurement projects the NV-centre spins in an entangled state.