Absolute and relative stability of an optical frequency reference based on spectral hole burning in Eu${}^{3+}$:Y${}_2$SiO${}_5$

David R. Leibrandt, Michael J. Thorpe, Chin-Wen Chou +3

We present and analyze four frequency measurements designed to characterize the performance of an optical frequency reference based on spectral hole burning in \EuYSO. The first fr…