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New Haven company building superconducting quantum computers with embedded error correction and modular scaling.
Quantum Circuits develops quantum computers based on superconducting circuits, with embedded quantum error correction, a modular design for scaling computing power and cloud-accessible full-stack software. Founded in 2015 and based in Connecticut, US, the company was co-founded by Robert Schoelkopf and is led by CEO Ray Smets. In January 2026, D-Wave Systems Inc. agreed to acquire it for USD 550 million, paid with USD 300 million in common stock and USD 250 million in cash.
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