Quantum AI Report

The convergence of Quantum with AI

Spin Qubit / Silicon

Electron or nuclear spins in silicon quantum dots. The bet here is manufacturability: if the qubits can be built on existing semiconductor lines, scaling becomes an industrial problem rather than a physics one.

25 stories

arXiv quant-ph

Optically Resolved Excited State Hyperfine Structure of a Silicon Colour Centre in the Telecom Bands

Researchers have optically resolved the excited state hyperfine structure of a silicon color center operating in the telecom bands. The study reveals the coupling between electronic and nuclear spins, providing a path for improved spin control. This work demonstrates a key step toward efficient spin-photon interfaces at wavelengths compatible with fiber-optic networks.

OutlookPlausible

This understanding could enable higher-fidelity spin-photon entanglement at telecom wavelengths, improving the performance of prototype quantum repeaters within two years.

quantum networkingphotonicspin qubit
Phys.org Quantum Physics

Two independent studies push semiconductor qubits towards practical scales

Two independent research groups have reported advances in semiconductor qubit fabrication or control that improve scalability, bringing silicon-based spin qubits closer to the qubit counts needed for error correction.

OutlookPlausible

These results could lead to demonstration of a 10-qubit semiconductor device with two-qubit gate fidelities above 99% within two years, making semiconductor qubits competitive with other platforms for early error-correction experiments.

spin qubit
Source

DARPA Selects Atom Computing, Diraq, IBM, and IonQ for Final Stage C Verification under Quantum Benchmarking Initiative

DARPA has selected Atom Computing, Diraq, IBM, and IonQ to participate in Stage C of its Quantum Benchmarking Initiative. The four companies, whose platforms span neutral atoms, silicon spin qubits, superconducting transmons, and trapped ions, will undergo independent hands-on testing of fault-tolerant architectures. They join Microsoft and PsiQuantum, which were already in the final verification stage, as part of DARPA's goal of a utility-scale quantum machine by 2033.

OutlookPlausible

DARPA's Stage C verification could produce the first independent, cross-platform comparison of logical error rates and resource overhead across superconducting, trapped-ion, neutral-atom, and silicon-spin systems within two years.

othererror correctionneutral atomphotonicspin qubitsuperconductingtopologicaltrapped ionAtom ComputingDARPADiraqIBMIonQMicrosoftPsiQuantum
Source

Quobly and CEA-Leti Strengthen Collaboration via FAMES Pilot Line to Scale 300 mm Silicon Spin-Qubit Platform

Quobly and CEA-Leti have expanded their existing collaboration through the FAMES pilot line to scale Quobly's 300 mm silicon spin-qubit platform. The roadmap includes making Quobly's Alloy Pioneer processor family available on the cloud by late 2026, and the partners are targeting a fault-tolerant silicon architecture by 2032.

OutlookPlausible

If the FAMES 300 mm pilot line successfully transfers Quobly's spin-qubit process, it could let Quobly use established CMOS metrology and wafer-scale test flows to iterate devices quickly enough that the late-2026 Alloy Pioneer cloud release offers repeatable multi-qubit performance instead of lab-only demonstrations.

spin qubiterror correctionCEA-LetiQuobly
Source

GlobalFoundries Finalizes $375 Million CHIPS Act Award for Onshore Quantum Semiconductor Fabrication

GlobalFoundries has finalized a $375 million award under the US CHIPS Act to expand domestic fabrication capacity for quantum computing chips. The funding targets the physical hardware layer that supports hybrid quantum-classical and AI-accelerated computing stacks, such as those being assembled by NVIDIA and IonQ.

OutlookPlausible

This could enable US quantum hardware developers to iterate on cryogenic control and readout chips with shorter domestic fab cycles, accelerating integration of quantum processors into hybrid AI-quantum stacks.

othercryogenics controlspin qubitsuperconductingGlobalFoundries