36 citations · 117 across the 11 of their papers we have counts for
11 papers
SI-Traceable Temperature Calibration Based on Optical Lattice Clocks
Jin Cao, Xiaotong Lu, Benquan Lu +1
We present a SI-traceable temperature calibration apparatus utilizing optical lattice clocks for precision metrology. The system employs a dual-blackbody radiation shield chamber w…
Lifetime Determination of the Metastable State in Sr from the Electric Dipole Matrix Element
Xiao-Tong Lu, Feng Guo, Yan-Yan Liu +6
We report a measurement of the radiative lifetime of the metastable state in Sr, which is coupled to the 5 ${}^{\rm…
Non-integer Floquet Sidebands Spectroscopy
Du-Yi Ou-Yang, Yan-Hua Zhou, Ya Zhang +4
In the quantum system under periodical modulation, the particle can be excited by absorbing the laser photon with the assistance of integer Floquet photons, so that the Floquet sid…
Absolute frequency measurement of the 87Sr optical lattice clock at NTSC using International Atomic Time
Xiaotong Lu, Feng Guo, Yebing Wang +5
We report the absolute frequency measurement of the 5s2 1S0-5s5p 3P0 transition in 87Sr optical lattice clock (Sr1) at National Time Service Center (NTSC). Its systematic frequency…
Degenerate Rabi spectroscopy of the Floquet engineered optical lattice clock
Wei-Xin Liu, Xiao-Tong Lu, Ting Li +4
Simulating physics with large SU(N) symmetry is one of the unique advantages of Alkaline-earth atoms.Introducing periodical driving modes to the system may provide more rich SU(N)…
Ab initio calculations of the hyperfine structure of 109Cd, 109Cd+ and reevaluation of the nuclear quadrupole moment Q(109Cd)
Benquan Lu, Xiaotong Lu, Tao Wang +1
Large scale ab initio calculations of the electric contribution (i.e. the electric field gradient) to the electric quadrupole hyperfine interaction constants for the $5p~^2P_{3…
Theoretical Calculation of the Quadratic Zeeman Shift Coefficient of the 3P0 clock state for Strontium Optical Lattice Clock
Benquan Lu, Xiaotong Lu, Jiguang Li +1
The quadratic Zeeman shift coefficient of 3P0 clock state for strontium is determined in theory and experiment. In theory, we derived the expression of the quadratic Zeeman shift o…
Floquet engineering Hz-Level Rabi Spectra in Shallow Optical Lattice Clock
Mo-Juan Yin, Tao Wang, Xiao-Tong Lu +4
Quantum metrology with ultra-high precision usually requires atoms prepared in an ultra-stable environment with well-defined quantum states. Thus, in optical lattice clock systems…
Measurement of the probe Stark shift of the 87Sr optical lattice clock using the frequency modulation spectroscopy
Qinfang Xu, Xiaotong Lu, Jingjing Xia +2
With the uncertainty of the optical clocks improving to the order of 10-18, the probe light used to detect the clock transition has demonstrated nonnegligible Stark shift, provokin…
Doubly Modulated Optical Lattice Clock Interference and Topology
Xiao-Tong Lu, Tao Wang, Ting Li +5
The quantum system under periodical modulation is the simplest path to understand the quantum non-equilibrium system, because it can be well described by the effective static Floqu…
Rabi Spectroscopy and Sensitivity of a Floquet Engineered Optical Lattice Clock
Mo-Juan Yin, Tao Wang, Xiao-Tong Lu +6
We periodically modulate the lattice trapping potential of a Sr optical clock to Floquet engineer the clock transition. In the context of atomic gases in lattices, Floquet e…