Gigahertz-Bandwidth Optical Memory in Pr${}^{3+}$:Y${}_2$SiO${}_5$

M. Nicolle, J. N. Becker, C. Weinzetl +2

We experimentally study a broadband implementation of the atomic frequency comb (AFC) rephasing protocol with a cryogenically cooled Pr${}^{3+}$:Y${}_2$SiO${}_5$ crystal. To allow for st…