171Yb+ Microwave Clock for Military and Commercial Applications

Autor: David Guan, Xianli Zhang, Jonathan Tallant, Jay Noble, Nakri Dao, Hyunwook Park, K. Richard Overstreet
Rok vydání: 2020
Předmět:
Zdroj: 2020 Joint Conference of the IEEE International Frequency Control Symposium and International Symposium on Applications of Ferroelectrics (IFCS-ISAF).
DOI: 10.1109/ifcs-isaf41089.2020.9234816
Popis: Ion traps are a rugged, proven technology that supports high-performance and manufacturable time keeping solutions. Our approach to this implementation is based on the 12.6 GHz hyperfine transition of 171Yb+ ions confined in a linear Paul trap. We report an instability of $6\times 10^{-13} \tau^{-1/2}$ up to averaging time $\tau=100\ \mathrm{s}$ in the presence of buffer gas, which is a 40% improvement from our previous report. The ion trap is implemented in a 2U-compatible enclosure, which is characterized by ion storage times >95 days and Allan deviation down to $4 \times 10^{-15}$ at $\tau=2\times 10^{5}\ \mathrm{s}$ .
Databáze: OpenAIRE