Magnetic field-induced spectroscopy of forbidden optical transitions with application to lattice-based optical atomic clocks

Abstract

We develop a method of spectroscopy that uses a weak static magnetic field to enable direct optical excitation of forbidden electric-dipole transitions that are otherwise prohibitively weak. The power of this scheme is demonstrated using the important application of optical atomic clocks based on neutral atoms confined to an optical lattice. The simple experimental implementation of this method -- a single clock laser combined with a DC magnetic field-- relaxes stringent requirements in current lattice-based clocks (e.g., magnetic field shielding and light polarization), and could therefore expedite the realization of the extraordinary performance level predicted for these clocks. We estimate that a clock using alkaline earth-like atoms such as Yb could achieve a fractional frequency uncertainty of well below 10^-17 for the metrologically preferred even isotopes.

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Cited by in corpus (114)

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• Towards a Mg lattice clock: Observation of the ${}^1{S}_0-$${}^3{P}_0$ transition and determination of the magic wavelength
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• Quantum engineering of atomic phase-shifts in optical clocks
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• Coherent excitation of a $\mu$Hz scale optical magnetic quadrupole transition
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• The theory of quantum levitators
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• Coherent Three-Photon Excitation of the Strontium Clock Transition
• Collisionally Induced Atomic Clock Shifts and Correlations
• Coherent population oscillation produced by saturating probe and pump fields on the intercombination Line
• Exploration of the magnetic-field-induced $5s5p$~${}^3{P}_0$~-~$5s^2$~${}^1{S}_0$ forbidden transition in bosonic Sr atom
• Non-linear Relaxation of Interacting Bosons Coherently Driven on a Narrow Optical Transition
• Theoretical Calculation of the Quadratic Zeeman Shift Coefficient of the 3P0 clock state for Strontium Optical Lattice Clock
• Runaway evaporation for optically dressed atoms
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• Parity violating radiative emission of neutrino pair in heavy alkaline earth atoms of even isotopes
• Orders-of-magnitude improvement in precision spectroscopy of an inner-shell orbital clock transition in neutral ytterbium
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