Spectrally reconfigurable quantum emitters enabled by optimized fast modulation

Abstract

The ability to shape photon emission facilitates strong photon-mediated interactions between disparate physical systems, thereby enabling applications in quantum information processing, simulation and communication. Spectral control in solid state platforms such as color centers, rare earth ions, and quantum dots is particularly attractive for realizing such applications on-chip. Here we propose the use of frequency-modulated optical transitions for spectral engineering of single photon emission. Using a scattering-matrix formalism, we find that a two-level system, when modulated faster than its optical lifetime, can be treated as a single-photon source with a widely reconfigurable photon spectrum that is amenable to standard numerical optimization techniques. To enable the experimental demonstration of this spectral control scheme, we investigate the Stark tuning properties of the silicon vacancy in silicon carbide, a color center with promise for optical quantum information processing technologies. We find that the silicon vacancy possesses excellent spectral stability and tuning characteristics, allowing us to probe its fast modulation regime, observe the theoretically-predicted two-photon correlations, and demonstrate spectral engineering. Our results suggest that frequency modulation is a powerful technique for the generation of new light states with unprecedented control over the spectral and temporal properties of single photons.

9 pages, 6 figures; Supplementary Information

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• Nonlinear quantum dot optomechanics
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• Electrical tuning of tin-vacancy centers in diamond
• Resonance fluorescence spectral dynamics of an acoustically modulated quantum dot
• Narrow inhomogeneous distribution of spin-active emitters in silicon carbide
• Stress-controlled zero-field spin splitting in silicon carbide
• Coherent microwave, optical, and mechanical quantum control of spin qubits in diamond
• Spectral stability of V2 centres in sub-micron 4H-SiC membranes
• Frequency combs with parity-protected cross-correlations from dynamically modulated qubit arrays
• Spectral Engineering of Cavity-Protected Polaritons in an Atomic Ensemble with Controlled Disorder
• Quantum enhanced electric field mapping within semiconductor devices
• All-optical Tuning of Indistinguishable Single-Photons Generated in Three-level Quantum Systems
• Coherent Control of an Optical Quantum Dot Using Phonons and Photons
• Site-dependent properties of quantum emitters in nanostructured silicon carbide
• Time-frequency encoded single-photon sources and broadband quantum memories based on a tunable one-dimensional atom
• Floquet engineering using pulse driving in a diamond two-level system under a large-amplitude modulation
• Superradiance in dynamically modulated Tavis-Cumming model with spectral disorder
• Voltage-controlled extraordinary optical transmission in the visible regime
• Check-probe spectroscopy of lifetime-limited emitters in bulk-grown silicon carbide
• Floquet Engineering and Harnessing Giant Atoms in Frequency-Comb Emission and Bichromatic Correlations in Waveguide QED
• Gated InAs quantum dots embedded in surface acoustic wave cavities for low-noise optomechanics
• Tuning Spectral Properties of Individual and Multiple Quantum Emitters in Noisy Environments
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• Few-particle scattering from localized quantum systems in spatially structured bosonic baths
• Acoustically induced coherent spin trapping
• Pump-Threshold-Free Frequency Comb via Cavity Floquet Engineering