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, ‡,
       

Cone structure on the top end of the pillars: (a) diamond pillar array of diameter 300 nm, period 1.5 μm, fabricated with the HSQ approach; (b) diamond pillar array with pillar diameter of 250 nm, period 1.5 μm, fabricated through the PMMA approach. The scale bar is 2 μm.