Table 1 The results of comparing our defects with reported spin defects
From: Coherent control of an ultrabright single spin in hexagonal boron nitride at room temperature
| Â | g(2)(0) | Saturated counts | ZPL | DW factor | DOP | Coherent control | T1 (room/cryogenic) | T2 (room/cryogenic) |
|---|---|---|---|---|---|---|---|---|
V\({}_{{{{{{{{\rm{B}}}}}}}}}^{-}\) (ensemble) | – | – | – | – | – | Yes | 18 μs/12.5 ms31 | 2 μs/2 μs31 |
Mendelson et al.28 (ensemble) | – | – | 585 nm | – | – | – | – / – | – / – |
Stern et al.29 | 0.34 | 3.8 × 104 s−1 | ~580 nm | – | – | – | – / – | – / – |
Chejanovsky et al.27 | 0.59 | – | 720 nm | – | – | – | – / 17 μs | – / – |
|  | 0.22 | – | 760 nm | – | – | – | – / 13 μs | – / – |
Guo et al.a | 0.25 | \(\begin{array}{c}{{3.7}}\times {{{10}}}^{6}\,{{{{{{\rm{s}}}}}}}^{-{{1}}}\\ {{2.5}}\times {{{10}}}^{{{7}}}\,{{{{{{{{\rm{s}}}}}}}}}^{-1}\\ ({{{{{{{\rm{corrected}}}}}}}})\end{array}\) | ~540 nm | 0.8 | 0.8 | Yes | 16.17 μs/not detected | 2.45 μs/not detected |