Generalized excitation of atomic multipole transitions by twisted light modes

Abstract

A theoretical study is performed for the excitation of a single atom localized in the center of twisted light modes. Here we present the explicit dependence of excitation rates on critical parameters, such as the polarization of light, its orbital angular momentum projection, and the orientation of its propagation axis with respect to the atomic quantization axis. The effect of a spatial spread of the atom is also considered in detail. The expressions for transition rates obtained in this work can be used for any atom of arbitrary electronic configuration. For definiteness we apply them to the specific case of ${}^2{S}_{1/2}(F=0)\to {}^2{F}_{7/2}(F=3,M=0)$ electric octupole (E3) transition in ${}^{171}$Yb${}^{+}$ ion. Our analytical and numerical results are suitable for the analysis and planning of future experiments on the excitation of electric-dipole-forbidden transitions by twisted light modes in optical atomic clocks.

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Cited by in corpus (17)

• Promises and challenges of high-energy vortex states collisions
• Lifetime of the ${}^2{F}_{7/2}$ level in Yb${}^{+}$ for spontaneous emission of electric octupole radiation
• The ${}^1{\mathrm{S}}_0$-${}^3{\mathrm{P}}_2$ magnetic quadrupole transition in neutral strontium
• Angular distribution of photoelectrons generated in atomic ionization by twisted radiation
• Grating design methodology for tailored free-space beam-forming
• Generation of hard twisted photons by charged particles in cholesteric liquid crystals
• Coherent excitation of a $\mu$Hz scale optical magnetic quadrupole transition
• Engineering quantum control with twisted-light fields induced optical transitions
• Generation of twisted photons by undulators filled with dispersive medium
• Photoexcitation of atoms by cylindrically polarized Laguerre-Gaussian beams
• Interaction of vector light beams with atoms exposed to a time-dependent magnetic field
• Double-twisted spectroscopy with delocalized atoms
• Theoretical consideration of a twisted atom
• Vector parameters in atomic ionization by twisted light: polarization of electron and residual ion
• Interaction of a Poincaré beam with optically polarized atoms in the presence of constant magnetic field
• Conversion of twistedness from light to atoms
• High Harmonic Generation with Orbital Angular Momentum Beams: Beyond-dipole Corrections