ULPAC: A Miniaturized Ultralow-Power Atomic Clock.
Haosheng ZhangHans HerdianAravind Tharayil NarayananAtsushi ShiraneMitsuru SuzukiKazuhiro HarasakaKazuhiko AdachiShigeyoshi GokaShinya YanagimachiKenichi OkadaPublished in: IEEE J. Solid State Circuits (2019)