…hnology. doi:10.7907/Z98K773F. Abstract The growing interest in optical quantum systems has led to the exploration of multiple platforms. Though pioneering experiments were performed in trapped atom and trapped ion systems, solid state systems show promise of being scalable and r…

…ter II: Erbium-167 in Yttrium Orthosilicate . . . . . . . . . . . . . . . . 2.1 System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.2 Optical Coherence . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.3 Spectral Holeburning, Hyperfine Levels, and Init…