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The Japan Society of Applied Physics

Control of multi spin qubits for quantum repeater using nitrogen-vacancy center in diamond

K. Satô, Yuhei Sekiguchi, Riyo Enyo, Yusuke Komura, Koyo Kuramitani, Takaaki Nakamura, Kodai Nagata, Naoki Ishida, Hideo Kosaka

Published Feb 3, 2017• 0 citations
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Nitrogen–vacancy (NV) center in diamond is one of the most promising candidates to implement room temperature quantum computing. In this review, we briefly discuss the working principles and recent experimental progresses of this spin qubit. These results focus on understanding and prolonging center spin coherence, steering and probing spin states with dedicated quantum control techniques, and exploiting the quantum nature of these multi-spin systems, such as superposition and entanglement, to demonstrate the superiority of quantum information processing. Those techniques also stimulate the fast development of NV-based quantum sensing, which is an interdisciplinary field with great potential applications.