The race to useful quantum advantage - covering the hardware, algorithms, and milestones that matter.
DARPA's new HARQ program funds 19 teams to build a heterogeneous quantum computer that mixes trapped-ion, neutral-atom, superconducting, and diamond qubits over a shared photonic backbone, targeting a 1,000x cut in physical resource demand.
The World Quantum Day launch adds open models for calibration and QEC decoding, but the bigger move is NVIDIA tying AI inference to CUDA-Q, CUDAQ-Realtime, and NVQLink in the path to fault tolerance.
Led by imec and backed by the Chips Joint Undertaking, SPINS aims to prove that semiconductor fabs, not research labs, are where quantum computing finally scales. Ten countries and three silicon platforms, all betting on spin.
Xanadu Quantum Technologies listed on Nasdaq and TSX via SPAC merger at $3.1 billion valuation, raising $302 million as the first pure-play photonic quantum computing company to go public.
Phantom codes, QLDPC codes, iceberg codes, cat qubits, neural decoders. Five years ago, surface codes were the only game in town. Now there's a genuine competition, and it might get us to fault tolerance faster than any single approach could.
The first pure-play quantum computing company to cross $100M in annual revenue just spent $1.8 billion acquiring a semiconductor foundry. That tells you where quantum is heading.
A team at Delft and CSIC cracked the readout problem for topological qubits - the same architecture Microsoft bet its entire quantum future on.