Fabrication and nanophotonic waveguide integration of silicon carbide colour centres with preserved spin-optical coherence

C Babin, R Stöhr, N Morioka, T Linkewitz, T Steidl… - Nature materials, 2022 - nature.com
Optically addressable spin defects in silicon carbide (SiC) are an emerging platform for
quantum information processing compatible with nanofabrication processes and device …

Silicon carbide photonics bridging quantum technology

S Castelletto, A Peruzzo, C Bonato, BC Johnson… - ACS …, 2022 - ACS Publications
In the last two decades, bulk, homoepitaxial, and heteroepitaxial growth of silicon carbide
(SiC) has witnessed many advances, giving rise to electronic devices widely used in high …

Two-emitter multimode cavity quantum electrodynamics in thin-film silicon carbide photonics

DM Lukin, MA Guidry, J Yang, M Ghezellou… - Physical Review X, 2023 - APS
Color centers are point defects in crystals that can provide an optical interface to a long-lived
spin state for distributed quantum information processing applications. An outstanding …

Optical Microscopy Systems for the Detection of Unlabeled Nanoparticles

RP Friedrich, M Kappes, I Cicha, R Tietze… - International journal …, 2022 - Taylor & Francis
Label-free detection of nanoparticles is essential for a thorough evaluation of their cellular
effects. In particular, nanoparticles intended for medical applications must be carefully …

Ultra-narrow inhomogeneous spectral distribution of telecom-wavelength vanadium centres in isotopically-enriched silicon carbide

P Cilibrizzi, MJ Arshad, B Tissot, NT Son… - Nature …, 2023 - nature.com
Spin-active quantum emitters have emerged as a leading platform for quantum
technologies. However, one of their major limitations is the large spread in optical emission …

Quantum information processing with integrated silicon carbide photonics

S Majety, P Saha, VA Norman… - Journal of Applied Physics, 2022 - pubs.aip.org
Color centers in wide bandgap semiconductors are prominent candidates for solid-state
quantum technologies due to their attractive properties including optical interfacing, long …

Multiple tin-vacancy centers in diamond with nearly identical photon frequency and linewidth

Y Narita, P Wang, K Ikeda, K Oba, Y Miyamoto… - Physical Review …, 2023 - APS
We report the narrow inhomogeneous distribution of the zero-phonon line from tin-vacancy
(Sn-V) centers in diamond and the overlap of spectra from multiple separated Sn-V centers …

Qudit-Based Spectroscopy for Measurement and Control of Nuclear-Spin Qubits in Silicon Carbide

E Hesselmeier, P Kuna, I Takács, V Ivády, W Knolle… - Physical Review Letters, 2024 - APS
Nuclear spins with hyperfine coupling to single electron spins are highly valuable quantum
bits. Here we probe and characterize the particularly rich nuclear-spin environment around …

Optical superradiance of a pair of color centers in an integrated silicon-carbide-on-insulator microresonator

DM Lukin, MA Guidry, J Yang, M Ghezellou… - arxiv preprint arxiv …, 2022 - arxiv.org
An outstanding challenge for color center-based quantum information processing
technologies is the integration of optically-coherent emitters into scalable thin-film photonics …

Spectral stability of V2 centres in sub-micron 4H-SiC membranes

J Heiler, J Körber, E Hesselmeier, P Kuna… - npj Quantum …, 2024 - nature.com
Colour centres in silicon carbide emerge as a promising semiconductor quantum technology
platform with excellent spin-optical coherences. However, recent efforts towards maximising …