Multipartite Entanglement Among Single Spins in Diamond
University of Stuttgart · University of Tsukuba · +2 more institutions
Abstract
Robust entanglement at room temperature is a necessary requirement for practical applications in quantum technology. We demonstrate the creation of bipartite- and tripartite-entangled quantum states in a small quantum register consisting of individual 13C nuclei in a diamond lattice. Individual nuclear spins are controlled via their hyperfine coupling to a single electron at a nitrogen-vacancy defect center. Quantum correlations are of high quality and persist on a millisecond time scale even at room temperature, which is adequate for sophisticated quantum operations.
Citation impact
- FWCI
- 28.71
- Percentile
- 100%
- References
- 33
Authors
10- PNPhilipp NeumannCorresponding
University of Stuttgart, University of Tsukuba, National Institute of Advanced Industrial Science and Technology, Texas A&M University
- NMNorikazu MizuochiCorresponding
University of Stuttgart, University of Tsukuba, National Institute of Advanced Industrial Science and Technology, Texas A&M University
- FRF. Rempp
University of Stuttgart, University of Tsukuba, National Institute of Advanced Industrial Science and Technology, Texas A&M University
- PHPhilip Hemmer
University of Stuttgart, University of Tsukuba, National Institute of Advanced Industrial Science and Technology, Texas A&M University
- HWHideyuki Watanabe
University of Stuttgart, University of Tsukuba, National Institute of Advanced Industrial Science and Technology, Texas A&M University
Topics & keywords
- Spins
- Quantum entanglement
- Physics
- Nitrogen-vacancy center
- Diamond
- Hyperfine structure
- Quantum
- Quantum network