Strong spin-photon coupling in silicon

Abstract

We report the strong coupling of a single electron spin and a single microwave photon. The electron spin is trapped in a silicon double quantum dot and the microwave photon is stored in an on-chip high-impedance superconducting resonator. The electric field component of the cavity photon couples directly to the charge dipole of the electron in the double dot, and indirectly to the electron spin, through a strong local magnetic field gradient from a nearby micromagnet. This result opens the way to the realization of large networks of quantum dot based spin qubit registers, removing a major roadblock to scalable quantum computing with spin qubits.

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Cited by in corpus (231)

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• Extractable work, the role of correlations, and asymptotic freedom in quantum batteries
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• Hole Spin Qubits in Ge Nanowire Quantum Dots: Interplay of Orbital Magnetic Field, Strain, and Growth Direction
• A Machine Learning Approach for Automated Fine-Tuning of Semiconductor Spin Qubits
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• Single, double, and triple quantum dots in Ge/Si nanowires
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• Dispersive readout: Universal theory beyond the rotating-wave approximation
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• Interplay of exchange and superexchange in triple quantum dots
• Strong Charge-Photon Coupling in Planar Germanium Enabled by Granular Aluminium Superinductors
• Robust photon-mediated entangling gates between quantum dot spin qubits
• Enhancing quantum transduction via long-range waveguide mediated interactions between quantum emitters
• A low-disorder Metal-Oxide-Silicon double quantum dot
• Valley-Free Silicon Fins Caused by Shear Strain
• Universal nuclear focusing of confined electron spins
• Induced quantum dot probe for material characterization
• Coupling of hole double quantum dot in planar germanium to a microwave cavity
• Spin-photon coupling for atomic qubit devices in silicon
• Theory of valley-resolved spectroscopy of a Si triple quantum dot coupled to a microwave resonator
• Microwave-resonator-detected excited-state spectroscopy of a double quantum dot
• Non-Markovian transient spectroscopy in cavity QED
• Optimal control of a cavity-mediated iSWAP gate between silicon spin qubits
• High Impedance Josephson Junction Resonators in the Transmission Line Geometry
• Democratizing Spin Qubits
• Flopping-mode electron dipole spin resonance in the strong-driving regime
• Probing the Jaynes-Cummings Ladder with Spin Circuit Quantum Electrodynamics
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• Resonator-mediated quantum gate between distant charge qubits
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• Fabrication and Characterization of Magnetic-Field-Resilient MoRe Superconducting Coplanar Waveguide Resonators
• Theory of the Simultaneous Transient Dispersive Readout of Multiple Spin Qubits
• Computational Assessment of Silicon Quantum Gate Based on Detuning Mechanism for Quantum Computing
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• Spin-photon interaction in a nanowire quantum dot with asymmetrical confining potential
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• Variability of hole spin qubits in planar Germanium
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• Parametric Drive of a Double Quantum Dot in a Cavity
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