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 …
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
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 …
well as efficient quantum state readout. In this regard, wide-bandgap semiconductors are an …
Isolated electron spins in silicon carbide with millisecond coherence times
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 …
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
Spin defects in silicon carbide (SiC) with mature wafer-scale fabrication and micro/nano-
processing technologies have recently drawn considerable attention. Although room …
processing technologies have recently drawn considerable attention. Although room …
Locking of electron spin coherence above 20 ms in natural silicon carbide
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 …
coherent spin superposition in silicon vacancies over an unexpectedly long time exceeding …
Optical charge state control of spin defects in 4H-SiC
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 …
spin-based quantum technologies. Spin qubits exist in specific charge states of these …
Quantum decoherence dynamics of divacancy spins in silicon carbide
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 …
experimentally and theoretically show that the Hahn-echo coherence time of electron spins …
Polytype control of spin qubits in silicon carbide
Crystal defects can confine isolated electronic spins and are promising candidates for solid-
state quantum information. Alongside research focusing on nitrogen-vacancy centres in …
state quantum information. Alongside research focusing on nitrogen-vacancy centres in …
Coherent control of single spins in silicon carbide at room temperature
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 …
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 …
for scale-up since the readout sensor can integrate into the existing gates used to …
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