Experimental investigation of vector static magnetic field detection using an NV center with a single first-shell <sup>13</sup>C nuclear spin in diamond

Experimental investigation of vector static magnetic field detection using an NV center with a single first-shell ¹³C nuclear spin in diamond

Jiang Feng-Jian^†, Ye Jian-Feng, Jiao Zheng, Jiang Jun, Ma Kun, Yan Xin-Hu, Lv Hai-Jiang^‡

(color online) (a) The energy-level diagram of NV–¹³C center ground state. The hyperfine splitting of corresponds to ground-state manifolds due to the coupling to the nearest ¹³C nuclear spin. (b) Under the low MW power, six resonance peaks could be observed between energy levels due to hyperfine splitting of ¹⁴N nuclear spin.