PsiQuantum
PsiQuantum is a Photonic Qubits company founded in 2016 and based in Palo Alto, United States. It has raised $2.3B in total funding, most recently a Series E in 2025 at a $7B valuation.
PsiQuantum is building a fault-tolerant photonic quantum computer leveraging existing semiconductor manufacturing infrastructure. PsiQuantum partners with GlobalFoundries to manufacture photonic chips at scale. The company plans to deliver a utility-scale machine in the late 2020s.
The company raised over $1B and secured nearly $1B in government commitments from Australia and the U.S., betting on a million-qubit photonic architecture.
psiquantum.com ↗·Photonic Qubits·
United States·private 
