Quantum leap from SQC promises super-fast computing power
The two-qubit gate is the central building block of any quantum computer. But for silicon atom qubits, making two qubits talk to each other had remained an unsolved challenge. Until now.
In a new paper published in Nature, Michelle Simmons and the SQC team demonstrated the world's first two-qubit gate between phosphorus donor electron spin qubits in silicon. By precisely engineering qubit placement at the atomic scale, SQC created a tunable exchange interaction between two electrons, achieving a gate speed of ~800 picoseconds, making it one of the fastest two-qubit gates demonstrated in silicon.
Read the full paper in Nature below:
A two-qubit gate between phosphorus donor electrons in silicon
Watch the accompanying video:
Fastest 2 Qubit Gate in the West/World
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