Large scale fabrication of nitrogen vacancy-embedded diamond nanostructures for single-photon source applications
Jiang Qianqing1, 4, 5, Li Wuxia1, †, , Tang Chengchun1, Chang Yanchun1, 5, Hao Tingting1, 5, Pan Xinyu1, Ye Haitao3, Li Junjie1, Gu Changzhi1, 2, 5, ‡,
       

(a) Decoherence time of NV center clusters in four diamond pillars of 860 nm in diameter. (b) Pillar diameter dependent average decoherence time.