activity
20142025
most citedIsolated electron spins in silicon carbide with millisecond-coherence times

482 citations · 1.8k across the 21 of their papers we have counts for

collaborators

21 papers

quant-ph2025★ 2 cited

Minute-long quantum coherence enabled by electrical depletion of magnetic noise

Cyrus Zeledon, Benjamin Pingault, Jonathan C. Marcks +13

Integrating solid-state spin defects into classical electronic devices can enable new opportunities for quantum information processing that benefit from existing semiconductor tech…

quant-ph2023★ 6 cited

The silicon vacancy centers in SiC: determination of intrinsic spin dynamics for integrated quantum photonics

Di Liu, Florian Kaiser, Vladislav Bushmakin +7

The negatively-charged silicon vacancy center () in silicon carbide (SiC) is an emerging color center for quantum technology covering quantum sensing, communication,…

quant-ph2022★ 5 cited

Vanadium in Silicon Carbide: Telecom-ready spin centres with long relaxation lifetimes and hyperfine-resolved optical transitions

T. Astner, P. Koller, C. M. Gilardoni +6

Vanadium in silicon carbide (SiC) is emerging as an important candidate system for quantum technology due to its optical transitions in the telecom wavelength range. However, sever…

quant-ph2022★ 2 cited

Electromagnetically induced transparency in inhomogeneously broadened divacancy defect ensembles in SiC

Olger V. Zwier, Tom Bosma, Carmem M. Gilardoni +5

Electromagnetically induced transparency (EIT) is a phenomenon that can provide strong and robust interfacing between optical signals and quantum coherence of electronic spins. In…

physics.optics2022★ 9 cited

Broadband single-mode planar waveguides in monolithic 4H-SiC

Tom Bosma, Joop Hendriks, Misagh Ghezellou +3

Color-center defects in silicon carbide promise opto-electronic quantum applications in several fields, such as computing, sensing and communication. In order to scale down and com…

quant-ph2021

Five-second coherence of a single spin with single-shot readout in silicon carbide

Christopher P. Anderson, Elena O. Glen, Cyrus Zeledon +11

An outstanding hurdle for defect spin qubits in silicon carbide (SiC) is single-shot readout - a deterministic measurement of the quantum state. Here, we demonstrate single-shot re…

cond-mat.mes-hall2021★ 1 cited

Photoluminescence lineshapes and charge state control of divacancy qubits in silicon carbide

A. Csóré, I. G. Ivanov, N. T. Son +1

Divacancy in its neutral charge state (VV) in 4H silicon carbide (SiC) is a leading quantum bit (qubit) contender. Owing to the lattice structure of 4H SiC…

cond-mat.mtrl-sci2021★ 15 cited

Identification of silicon vacancy-related electron paramagnetic resonance centers in 4H SiC

A. Csóré, N. T. Son, A. Gali

The negatively charged silicon vacancy [V] in silicon carbide (SiC) is a paramagnetic and optically active defect in hexagonal SiC. V defect possesses…

cond-mat.mes-hall2021

Dipolar spin relaxation of divacancy qubits in silicon carbide

Oscar Bulancea Lindvall, Nguyen Tien Son, Igor A. Abrikosov +1

Divacancy spins in silicon carbide implement qubits with outstanding characteristics and capabilities in an industrial semiconductor host. On the other hand, there are still numero…

quant-ph2020★ 207 cited

Entanglement and control of single quantum memories in isotopically engineered silicon carbide

Alexandre Bourassa, Christopher P. Anderson, Kevin C. Miao +9

Nuclear spins in the solid state are both a cause of decoherence and a valuable resource for spin qubits. In this work, we demonstrate control of isolated 29Si nuclear spins in sil…

quant-ph2020★ 70 cited

Spectrally reconfigurable quantum emitters enabled by optimized fast modulation

Daniil M. Lukin, Alexander D. White, Rahul Trivedi +16

The ability to shape photon emission facilitates strong photon-mediated interactions between disparate physical systems, thereby enabling applications in quantum information proces…

quant-ph2020★ 92 cited

Vibronic states and their effect on the temperature and strain dependence of silicon-vacancy qubits in 4H silicon carbide

Péter Udvarhelyi, Gergő Thiering, Naoya Morioka +9

Silicon-vacancy qubits in silicon carbide (SiC) are emerging tools in quantum technology applications due to their excellent optical and spin properties. In this paper, we explore…

cond-mat.mes-hall2019★ 95 cited

Electrical charge state manipulation of single silicon vacancies in a silicon carbide quantum optoelectronic device

Matthias Widmann, Matthias Niethammer, Dmitry Yu. Fedyanin +14

Colour centres with long-lived spins are established platforms for quantum sensing and quantum information applications. Colour centres exist in different charge states, each of th…

quant-ph2019★ 263 cited

Electrical and optical control of single spins integrated in scalable semiconductor devices

Christopher P. Anderson, Alexandre Bourassa, Kevin C. Miao +8

Spin defects in silicon carbide have exceptional electron spin coherence with a near-infrared spin-photon interface in a material amenable to modern semiconductor fabrication. Leve…

cond-mat.mes-hall2019★ 86 cited

Coherent electrical readout of defect spins in 4H-SiC by photo-ionization at ambient conditions

Matthias Niethammer, Matthias Widmann, Torsten Rendler +11

Quantum technology relies on proper hardware, enabling coherent quantum state control as well as efficient quantum state readout. In this regard, wide-bandgap semiconductors are an…

quant-ph2019★ 81 cited

Optical Properties of Vanadium in 4H Silicon Carbide for Quantum Technology

L. Spindlberger, A. Csóré, G. Thiering +7

We study the optical properties of tetravalent vanadium impurities in 4H silicon carbide (4H SiC). Emission from two crystalline sites is observed at wavelengths of 1.28 \mum and 1…

cond-mat.mtrl-sci2018★ 75 cited

Excitation properties of the divacancy in 4H-SiC

Björn Magnusson, Nguyen Tien Son, András Csóré +4

We investigate the quenching of the photoluminescence (PL) from the divacancy defect in 4H-SiC consisting of a nearest-neighbour silicon and carbon vacancies. The quenching occurs…

quant-ph2017★ 81 cited

Stark Tuning and Electrical Charge State Control of Single Divacancies in Silicon Carbide

Charles F. de las Casas, David J. Christle, Jawad Ul Hassan +3

Neutrally charged divacancies in silicon carbide (SiC) are paramagnetic color centers whose long coherence times and near-telecom operating wavelengths make them promising for scal…

cond-mat.mtrl-sci2017★ 112 cited

Identification of Si-vacancy related room temperature qubits in 4H silicon carbide

Viktor Ivády, Joel Davidsson, Nguyen Tien Son +3

Identification of microscopic configuration of point defects acting as quantum bits is a key step in the advance of quantum information processing and sensing. Among the numerous c…

cond-mat.mes-hall2016★ 88 cited

Resonant optical spectroscopy and coherent control of Cr4+ spin ensembles in SiC and GaN

William F. Koehl, Berk Diler, Samuel J. Whiteley +4

Spins bound to point defects are increasingly viewed as an important resource for solid-state implementations of quantum information technologies. In particular, there is a growing…

cond-mat.mes-hall2014★ 482 cited

Isolated electron spins in silicon carbide with millisecond-coherence times

David J. Christle, Abram L. Falk, Paolo Andrich +6

The elimination of defects from SiC has facilitated its move to the forefront of the optoelectronics and power-electronics industries. Nonetheless, because the electronic states of…