Tunable multi-photon Rabi oscillations in an electronic spin system

Abstract

We report on multi-photon Rabi oscillations and controlled tuning of a multi-level system at room temperature (S=5/2 for Mn2+:MgO) in and out of a quasi-harmonic level configuration. The anisotropy is much smaller than the Zeeman splittings, such as the six level scheme shows only a small deviation from an equidistant diagram. This allows us to tune the spin dynamics by either compensating the cubic anisotropy with a precise static field orientation, or by microwave field intensity. Using the rotating frame approximation, the experiments are very well explained by both an analytical model and a generalized numerical model. The calculated multi-photon Rabi frequencies are in excellent agreement with the experimental data.

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Cited by in corpus (5)

• Quantum dynamics of Mn${}^{2+}$ in dimethylammonium magnesium formate
• Experimental protection of quantum coherence by using a phase-tunable image drive
• Measuring Motional Dynamics of (CH${}_3$)${}_2$ NH${}_2^{+}$ in the Perovskite-Like Metal--Organic Framework [(CH${}_3$)${}_2$ NH${}_2$][Zn(HCOO)${}_3$]: The Value of Low-Frequency Electron Paramagnetic Resonance
• Forbidden coherent transfer observed between two realizations of quasi-harmonic spin system
• Resonant single and multi-photon coherent transitions in a detuned regime