Resonant single and multi-photon coherent transitions in a detuned regime

Abstract

We performed quantum manipulations of the multi-level spin system S=5/2 of a Mn${}^{2+}$ ion, by means of a two-tone pulse drive. The detuning between the excitation and readout radio frequency pulses allows one to select the number of photons involved in a Rabi oscillation as well as increase the frequency of this nutation. Thus detuning can lead to a resonant multi-photon process. Our analytical model for a two-photon process as well as a numerical generalization fit well the experimental findings, with implications in the use of multi-level spin systems as tunable solid state qubits.

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• Coherent spin dynamics in gadolinium-doped CaWO4 crystal
• Quantum dynamics of Mn${}^{2+}$ in dimethylammonium magnesium formate
• Experimental protection of quantum coherence by using a phase-tunable image drive
• Forbidden coherent transfer observed between two realizations of quasi-harmonic spin system
• Sustaining Rabi oscillations by using a phase-tunable image drive
• Canted Magnetic Ground State of Quarter-Doped Manganites $R_{0.75}$Ca${}_{0.25}$MnO${}_3$ ($R$ = Y, Tb, Dy, Ho, and Er)