Mainz 2017 – scientific programme
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Q: Fachverband Quantenoptik und Photonik
Q 53: Poster: Quantum Optics and Photonics III
Q 53.84: Poster
Thursday, March 9, 2017, 17:00–19:00, P OG2
2D layer of dipolarly coupled nuclear spins for a solid state quantum simulator — •Nikolas Tomek1, Paz London2, Timo Weggler1, Kohei Itoh3, Hideyuki Watanabe4, Boris Naydenov1, and Fedor Jelezko1 — 1Institute for Quantum Optics, Ulm University, Albert-Einstein-Allee 11, Ulm 89081, Germany — 2Department of Physics, Technion, Israel Institute of Technology, Haifa 32000, Israel — 3Department of Applied Physics and Physico-Informatics, Keio University, Hiyoshi, Yokohama, JapanDepartment of Applied Physics and Physico-Informatics, Keio University, Hiyoshi, Yokohama, Japan — 4Natl Inst Adv Ind Sci & Technol, Res Inst Elect & Photon, Tsukuba, Ibaraki 3058562, Japan
Understanding and controlling a strongly correlated quantum many-body system is an essential step towards a large scale quantum simulator. Such a device would enable access to nonequilibrium dynamics of large systems where state of the art numerical simulations are quickly reaching their limits. To reach this goal we are studying a 12C-enriched bulk diamond containing a few nanometer thick layer of 13C nuclei. In order to access these nuclear spins we utilize nitrogen-vacancy (NV) centers grown into the diamond around the layer. The system stands out due to exceptional long coherence times even at room temperature. To expose the dipolar coupling inside the 13C layer we are conducting experiments to show diffusion of spin polarization from one NV to another. A microwave assisted superresolution imaging reveals a distance between the NVs below 50 nm. Furthermore we will use this system to investigate multi-quantum coherences inside the nuclear spin lattice.