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SuperconductingEst. 1968Santa Clara, California

Intel

Intel Quantum

Silicon spin qubits — quantum meets the fab.

Building silicon spin qubits that could ride the same manufacturing miracle that made classical chips ubiquitous.

Qubits the Size of a Transistor

Silicon spin qubits are tiny — potentially millions per die if the fab curve holds.

Led by Anne Matsuura (Director, Quantum Applications)

The Story

Timeline.

2015

Intel invests $50M in quantum research with QuTech at TU Delft.

2019

Unveils Horse Ridge, a cryogenic control chip that lives inside the fridge with the qubits.

2023

Ships Tunnel Falls, a 12-qubit silicon spin test chip, to university researchers.

2024

Demonstrates high-yield 300mm wafer fabrication of quantum-grade silicon qubits.

What makes them different

Key Facts

  • Silicon spin qubits are the size of a transistor — potentially fab-scalable.
  • Horse Ridge II is a cryogenic CMOS control chip, replacing racks of room-temperature electronics.
  • Directly leverages Intel's own 300mm fabs.
  • Long-term bet on the same manufacturing curve that gave us CPUs.

Real-world pilots

Quantum Uses Today

  • Tunnel Falls chip distributed to universities for research.
  • Quantum SDK for algorithm and system-level co-design.

If they succeed

Potential Applications

  • Millions of spin qubits per die if the fab curve holds.
  • Quantum accelerators sold like GPUs, in existing servers.
  • Materials and chemistry pipelines integrated with Intel HPC.