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

CP Anderson, EO Glen, C Zeledon, A Bourassa… - Science …, 2022 - science.org
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 readout …

Coherent electrical readout of defect spins in silicon carbide by photo-ionization at ambient conditions

M Niethammer, M Widmann, T Rendler… - Nature …, 2019 - nature.com
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 …

Isolated electron spins in silicon carbide with millisecond coherence times

DJ Christle, AL Falk, P Andrich, PV Klimov… - Nature materials, 2015 - nature.com
The elimination of defects from SiC has facilitated its move to the forefront of the
optoelectronics and power-electronics industries. Nonetheless, because certain SiC defects …

Room-temperature coherent manipulation of single-spin qubits in silicon carbide with a high readout contrast

Q Li, JF Wang, FF Yan, JY Zhou, HF Wang… - National Science …, 2022 - academic.oup.com
Spin defects in silicon carbide (SiC) with mature wafer-scale fabrication and micro/nano-
processing technologies have recently drawn considerable attention. Although room …

Locking of electron spin coherence above 20 ms in natural silicon carbide

D Simin, H Kraus, A Sperlich, T Ohshima, GV Astakhov… - Physical Review B, 2017 - APS
We demonstrate that silicon carbide (SiC) with a natural isotope abundance can preserve a
coherent spin superposition in silicon vacancies over an unexpectedly long time exceeding …

Optical charge state control of spin defects in 4H-SiC

G Wolfowicz, CP Anderson, AL Yeats… - Nature …, 2017 - nature.com
Defects in silicon carbide (SiC) have emerged as a favorable platform for optically active
spin-based quantum technologies. Spin qubits exist in specific charge states of these …

Quantum decoherence dynamics of divacancy spins in silicon carbide

H Seo, AL Falk, PV Klimov, KC Miao, G Galli… - Nature …, 2016 - nature.com
Long coherence times are key to the performance of quantum bits (qubits). Here, we
experimentally and theoretically show that the Hahn-echo coherence time of electron spins …

Polytype control of spin qubits in silicon carbide

AL Falk, BB Buckley, G Calusine, WF Koehl… - Nature …, 2013 - nature.com
Crystal defects can confine isolated electronic spins and are promising candidates for solid-
state quantum information. Alongside research focusing on nitrogen-vacancy centres in …

Coherent control of single spins in silicon carbide at room temperature

M Widmann, SY Lee, T Rendler, NT Son, H Fedder… - Nature materials, 2015 - nature.com
Spins in solids are cornerstone elements of quantum spintronics. Leading contenders such
as defects in diamond,,, or individual phosphorus dopants in silicon have shown spectacular …

Single-shot single-gate rf spin readout in silicon

P Pakkiam, AV Timofeev, MG House, MR Hogg… - Physical Review X, 2018 - APS
For solid-state spin qubits, single-gate rf readout can minimize the number of gates required
for scale-up since the readout sensor can integrate into the existing gates used to …