NMR study of optically hyperpolarized phosphorus donor nuclei in silicon

P. Gumann, H. Haas, S. Sheldon +4

We use above-bandgap optical excitation, via a 1047 nm laser, to hyperpolarize the ${}^{31}$P spins in low-doped (N${}_D=6\times 10^{15}$ cm${}^{-3}$) natural abundance silicon at 4.2 K…