2 citations · 2 across the 7 of their papers we have counts for
8 papers
A solid-state nuclear clock based on VUV absorption spectroscopy of Th
Pengfei Wang, Xu-Fei Yin, Hanlin Wang +21
We demonstrate sustained operation of a solid-state thorium-229 nuclear clock using continuous-wave absorption at 148.4 nm. In a crystal, we reso…
Absolute frequency measurement of a Lu standard against the NRC-FCs2 fountain with uncertainty
K. J. Arnold, Bin Jian, Zhao Zhang +6
We report an improved absolute frequency measurement of the Lu optical frequency standard, evaluated via a remote link to the NRC-FCs2 caesium fount…
Lu optical frequency references with accuracy verified at the 19th digit
K. J. Arnold, M. D. K. Lee, Zhao Qi +4
We report a comprehensive evaluation of all known sources of systematic uncertainty for two independent Lu single-ion optical references, finding total systematic uncer…
Precision measurement of the microwave clock transitions
M. D. K. Lee, Qi Zhao, Qin Qichen +4
We report precision measurement of the unperturbed microwave transition frequencies in to a fractional uncertainty of . We find t…
Zeeman Degenerate Sideband Cooling in Lu
Qin Qichen, Qi Zhao, M. D. K. Lee +4
We explore degenerate Raman sideband cooling in which neighboring Zeeman states of a fixed hyperfine level are coupled via a two-photon Raman transition. The degenerate coupling be…
Absolute frequency measurement of a Lu optical frequency standard via link to international atomic time
Zhao Zhang, Qi Zhao, Qin Qichen +4
We report on an absolute frequency measurement of the standard frequency which is defined as the hyperfine-average of to o…
Validating a lutetium frequency reference
Kyle J. Arnold, Scott Bustabad, Qin Qichen +3
We review our progress in developing a frequency reference with singly ionized lutetium and give estimates of the levels of inaccuracy we expect to achieve in the near future with…
Enhanced micromotion compensation using a phase modulated light field
K. J. Arnold, N. Jayjong, M. L. D. Kang +4
We investigate sideband spectroscopy of a trapped ion using a probe laser phase modulated at the trap drive frequency. The enhanced sensitivity of our technique over traditional si…