Strong driving of a single spin using arbitrarily polarized fields

Abstract

The strong driving regime occurs when a quantum two-level system is driven with an external field whose amplitude is greater or equal to the energy splitting between the system's states, and is typically identified with the breaking of the rotating wave approximation (RWA). We report an experimental study, in which the spin of a single nitrogen-vacancy (NV) center in diamond is strongly driven with microwave (MW) fields of arbitrary polarization. We measure the NV center spin dynamics beyond the RWA, and characterize the limitations of this technique for generating high-fidelity quantum gates. Using circularly polarized MW fields, the NV spin can be harmonically driven in its rotating frame regardless of the field amplitude, thus allowing rotations around arbitrary axes. Our approach can effectively remove the RWA limit in quantum-sensing schemes, and assist in increasing the number of operations in QIP protocols.

9 pages, 5 figures

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• Quantum Computing
• Quantum error correction in a solid-state hybrid spin register
• Universal control and error correction in multi-qubit spin registers in diamond
• High fidelity spin entanglement using optimal control
• Detection and control of individual nuclear spins using a weakly coupled electron spin
• Detecting and polarizing nuclear spins with double resonance on a single electron spin
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• Perfect alignment and preferential orientation of nitrogen-vacancy centers during CVD growth of diamond on (111) surfaces
• Polarization-selective excitation of N-V centers in diamond
• Controlling the quantum dynamics of a mesoscopic spin bath in diamond
• Radio-frequency magnetometry using a single electron spin
• Measurable quantum geometric phase from a rotating single spin
• Observation of Time-domain Rabi Oscillations in the Landau-Zener Regime with a Single Electronic Spin
• Multifrequency spin resonance in diamond
• Complete control of a matter qubit using a single picosecond laser pulse
• Time-Optimal Universal Control of Two-Level Systems under Strong Driving

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• All optical control of a single electron spin in diamond
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• High-efficiency resonant amplification of weak magnetic fields for single spin magnetometry
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• Quantum sensing of electric field distributions of liquid electrolytes with NV-centers in nanodiamonds
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• Detection of a weak magnetic field via cavity enhanced Faraday rotation
• Dissipative two-level systems under ultrastrong off-resonant driving
• Coherent manipulation of nuclear spins in the strong driving regime
• Ambiguous Resonances in Multipulse Quantum Sensing with Nitrogen Vacancy Centers
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• Information Geometric Aspects of Probability Paths with Minimum Entropy Production for Quantum State Evolution
• High-resolution spectroscopy of a single nitrogen-vacancy defect at zero magnetic field
• The possibility of direct observation of the Bloch-Siegert shift in coherent dynamics of multiphoton Raman transitions
• Digital Twin Simulations Toolbox of the Nitrogen-Vacancy Center in Diamond
• Exact magnetic field control of nitrogen-vacancy center spin for realizing fast quantum logic gates
• A nitrogen-vacancy spin based molecular structure microscope using multiplexed projection reconstruction
• The Rabi problem with elliptic polarization
• Emission spectrum of a qubit under its deep strong driving in the high-frequency dispersive regime
• Room-temperature coherent control of implanted defect spins in silicon carbide
• Dissipative Rabi model for deep strong far-off-resonant driving
• Magnetic pulses enable multidimensional optical spectroscopy of dark states