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Quantum computation: Towards on-chip qubits
In recent years, research on quantum information has achieved a series of remarkable results. In particular, single spins in silicon have been exploited as high-fidelity quantum bits (qubits) with dephasing times in the order of hundreds of μs and coherence times in the order of hundreds of ms. Such long values could be observed thanks to the isotopic purification of Si — that is, the minimization of the content of Si and of the detrimental hyperfine interaction with its non-zero nuclear spin. Eventually, this led to the implementation of logic gates based on two in-series qubits in isotopically-purified Si.  Read more

World’s first qubit device fabricated in standard CMOS process
GRENOBLE, France – Nov. 28, 2016 – Leti, an institute of CEA Tech, along with Inac, a fundamental research division of CEA, and the University of Grenoble Alpes have acof Grened the first demonstration of a quantum-dot-based spin qubit using an industry-standard fabrication process. Read more

 

Leti demonstrates qubit on CMOS wafer
French research labs Leti and Inac have demonstrated a quantum-dot-based spin qubit using a CMOS process on a 300mm FDSoI wafer. The device, developed with the University of Grenoble Alpes, consists of a two-gate, p-type transistor with an un-doped channel.  Read more

 

Leti and Grenoble Partners Demonstrate World’s 1st Qubit Device Fabricated in CMOS Process: Paper by Leti, Inac and University of Grenoble Alpes Published in Nature Communications
Leti, an institute of CEA Tech, along with Inac, a fundamental research division of CEA, and the University of Grenoble Alpes have achieved the first demonstration of a quantum-dot-based spin qubit using an industry-standard fabrication process. Read more

 

Researchers demonstrate world’s first qubit device fabricated in standard CMOS process
(Nanowerk News) Leti, an institute of CEA Tech, along with Inac, a fundamental research division of CEA, and the University of Grenoble Alpes have achieved the first demonstration of a quantum-dot-based spin qubit using an industry-standard fabrication process. Read more

Vers des ordinateurs quantiques à transistors CMOS
Les futurs ordinateurs quantiques pourraient-ils être réalisés à partir de simples transistors CMOS sur SOI ? C’est en tout cas ce que laissent entrevoir les récents travaux d’une équipe INAC-Leti.
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