There are five quantum computer companies with a billion to $5 billion in valuation. The highest valuation quantum computer companies are Quantinuum, Psiquantum, SandboxAQ, XtaPI Technologies and Xanadu. Psiquantum and Xanadu are taking a photonics approach. Quantinuum is using trapped ion.
Psiquantum wants to make an entire silicon photonics supply chain to enable millions of error corrected qubits. Psiquantum believes getting to true scale with millions of error corrected qubits is needed to deliver on the quantum computer promise.
They are going for a full quantum photonic data center in 2029. They are building their first rack scale photonic quantum systems this year (2024).
SandboxAQ is dedicated to delivering cutting-edge AI and advanced computing solutions. Our Large Quantitative Models (LQMs), address key challenges in drug discovery, new materials for the auto and aerospace sectors, investment asset management and more. SandboxAQ's AI sensing applications are revolutionizing healthcare and navigation, while our pioneering cryptography management platform protects organizations against current and future cyber threats. SandboxAQ spunout from Alphabet (aka Google). They use quantum sensors, AI and cryptography.
XtaPI technologies is a Chinese company working on AI drug discovery and quantum for pharma applications.
Pasqal is using neutral atoms and has about $600 million in valuation. QuEra has far less funding but is doing leading work with neutral atoms.
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