Exploration of optimal hyperfine transitions for spin-wave storage in ${}^{167}$Er${}^{3+}$:Y${}_2$SiO${}_5$

K. Matsuura, S. Yasui, R. Kaji +3

The dependence of the magnetic fluctuations and the spin coherence time $T_2^{\mathrm{hyp}}$ of the lowest Stark states ${}^4{I}_{15/2}(Z_1)$ in ${}^{167}$Er${}^{3+}$:Y${}_2$SiO${}_5$ under zero…