Optimal quantum optical control of spin in diamond

Abstract

The nitrogen-vacancy (NV) center spin represents an appealing candidate for quantum information processing. Besides the widely used microwave control, its coherent manipulation may also be achieved using laser as mediated by the excited energy levels. Nevertheless, the multiple levels of the excited state of NV center spin make the coherent transition process become complex and may affect the fidelity of coherent manipulation. Here, we adopt the strategy of optimal quantum control to accelerate coherent state transfer in the ground state manifold of NV center spin using laser. The results demonstrate improved performance in both the speed and the fidelity of coherent state transfer which will be useful for optical control of NV center spin in diamond.

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Cited by in corpus (9)

• Physics-informed neural networks for quantum control
• Classifying global state preparation via deep reinforcement learning
• Quantum optimal control using phase-modulated driving fields
• Ground State Microwave-Stimulated Raman Transitions and Adiabatic Spin Transfer in the ${}^{15}$Nitrogen-Vacancy Center
• Optical control protocols for high-fidelity spin rotations of single SiV${}^{-}$ and SnV${}^{-}$ centers in diamond
• Robust population transfer of spin states by geometric formalism
• Quantum optimal control in quantum technologies. Strategic report on current status, visions and goals for research in Europe
• Exact solutions for the time-evolution of quantum spin systems under arbitrary waveforms using algebraic graph theory
• Efficiency of optimal control for noisy spin qubits in diamond