Electrically driven optical interferometry with spins in silicon carbide

Abstract

Interfacing solid-state defect electron spins to other quantum systems is an ongoing challenge. The ground-state spin's weak coupling to its environment bestows excellent coherence properties, but also limits desired drive fields. The excited-state orbitals of these electrons, however, can exhibit stronger coupling to phononic and electric fields. Here, we demonstrate electrically driven coherent quantum interference in the optical transition of single, basally oriented divacancies in commercially available 4H silicon carbide. By applying microwave frequency electric fields, we coherently drive the divacancy's excited-state orbitals and induce Landau-Zener-Stuckelberg interference fringes in the resonant optical absorption spectrum. Additionally, we find remarkably coherent optical and spin subsystems enabled by the basal divacancy's symmetry. These properties establish divacancies as strong candidates for quantum communication and hybrid system applications, where simultaneous control over optical and spin degrees of freedom is paramount.

17 pages, 4 figures

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Cited by in corpus (26)

• Electrical and optical control of single spins integrated in scalable semiconductor devices
• Integrated quantum photonics with silicon carbide: challenges and prospects
• Entanglement and control of single quantum memories in isotopically engineered silicon carbide
• Nonadiabatic Landau-Zener-Stückelberg-Majorana transitions, dynamics, and interference
• Purcell enhancement of a single silicon carbide color center with coherent spin control
• Universal coherence protection in a solid-state spin qubit
• Analog of a quantum heat engine using a single-spin qubit
• Room temperature coherent manipulation of single-spin qubits in silicon carbide with a high readout contrast
• Coherent Manipulation with Resonant Excitation and Single Emitter Creation of Nitrogen Vacancy Centers in 4H Silicon Carbide
• Quantum well stabilized point defect spin qubits
• Probing the coherence of solid-state qubits at avoided crossings
• Theoretical polarization of zero phonon lines in point defects
• Deterministic preparation of W states via spin-photon interactions
• Exhaustive characterization of modified Si vacancies in 4H-SiC
• Frequency combs with parity-protected cross-correlations from dynamically modulated qubit arrays
• Theory of spin center sensing of diffusion
• Suppression of the optical linewidth and spin decoherence of a quantum spin center in a $p$$-$$n$ diode
• Analytic and geometric properties of scattering from periodically modulated quantum-optical systems
• Interplay between charge and spin noise in the near-surface theory of decoherence and relaxation of $C_{3v}$ symmetry qutrit spin-1 centers
• Level-crossing induced spin phenomena in SiC: a theoretical study
• Check-probe spectroscopy of lifetime-limited emitters in bulk-grown silicon carbide
• Hybrid spin-phonon architecture for scalable solid-state quantum nodes
• A Concise Primer on Solid-State Quantum Emitters
• Photoelectrical detection and characterization of divacancy and PL5-PL7 spins in silicon carbide
• Few-particle scattering from localized quantum systems in spatially structured bosonic baths
• Spin-photon Qubits for Scalable Quantum Network