Journal ArticleDOI
Stark Effect in Rapidly Varying Fields
S. H. Autler,Charles H. Townes +1 more
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In this article, a method is developed for calculating the effects of a strong oscillating field on two states of a quantum-mechanical system which are connected by a matrix element of the field.Abstract:
A method is developed for calculating the effects of a strong oscillating field on two states of a quantum-mechanical system which are connected by a matrix element of the field. Explicit approximate solutions are obtained for a variety of special cases, and the results of numerical computations are given for others. The effect of an rf field on the $J=2\ensuremath{\rightarrow}1$ $l$-type doublet microwave absorption lines of OCS has been studied in particular both experimentally and theoretically. Each line was observed to split into two components when the frequency of the rf field was near 12.78 Mc or 38.28 Mc, which are the frequencies separating the $J=1$ and $J=2$ pairs of levels, respectively. By measuring the rf frequency, ${\ensuremath{\nu}}_{0}$, at which the microwave lines are split into two equally intense components, one may determine the separation between the energy levels. The measured value of ${\ensuremath{\nu}}_{0}$ depends upon the intensity of the rf field and the form of this dependence has been calculated and found to be in good agreement with the experimental results.read more
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Tunable Coupled-Resonator Induced Transparency Based on Asymmetrical Self-Interference Ring Resonators
TL;DR: In this article, a tunable coupled resonator induced transparency (CRIT) is observed based on two asymmetrical self-interference ring resonators (SIRRs), where the phase shift of the left feedback arm will regulate the output CRIT lineshape, whereas the right FA does not influence the output linehape.
Journal ArticleDOI
The pump induced Autler?Townes effect and Autler?Townes mixing in four-level atoms
TL;DR: In this paper, it was shown by theoretical simulation that tuning of the pump power can induce mixing and crossing of Autler-Townes (A-T) components of closely spaced transitions in atoms.
Journal ArticleDOI
Slowing down light in a qubit metamaterial
Jan David Brehm,Richard Gebauer,Alexander Stehli,Alexander N. Poddubny,Oliver Sander,Hannes Rotzinger,Alexey V. Ustinov +6 more
TL;DR: In this paper , a superconducting metamaterial composed of eight qubits coupled to a common waveguide, forming a waveguide quantum electrodynamics system was demonstrated.
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Resonant Rydberg-atom–microwave-field interactions in the ultrastrong-driving regime: Beyond the rotating-wave approximation
J. D. R. Tommey,S. D. Hogan +1 more
TL;DR: In this paper, the coherent interaction of Rydberg atoms with microwave fields in the ultrastrong driving regime, in which the Rabi frequency is of the same order of magnitude as the transition frequency, has been studied for states with principal quantum number $n=105$ in helium.
Journal ArticleDOI
Coherent Optical Field Manipulation and Optical Information Processing Based on Electromagnetically-Induced Transparency Effect in Pr3+:Y2SiO5 Crystal
TL;DR: In this article, the authors reviewed the recent progress in coherent manipulation on light fields based on the electromagnetically-induced transparency (EIT) effect in Pr3+-doped Y2SiO5 crystal.