[We-P] Quantum optics, quantum emitters, NV centers

[We-P-93] Environmental Electromagnetic Control of Quantum Spin Coherence

〇Shintaro Nomura¹, Hideyuki Watanabe², Susumu Sasaki³, Satoshi Kashiwaya⁴ (1. Univ. of Tsukuba (Japan), 2. AIST (Japan), 3. Niigata Univ. (Japan), 4. Nagoya Univ. (Japan))

We present a novel approach for controlling the spin coherence of a qubit. Specifically, we demonstrate that the spin coherence time can be externally tuned by engineering the qubit’s electromagnetic environment by shaping of electromagnetic fields with a lithographically defined metallic structure.