Chad Rigetti's Sygaldry raises $139M to shrink AI's power appetite
Chad Rigetti, the physicist behind Rigetti Computing, has launched Sygaldry Technologies with $139M in funding to build quantum-accelerated servers that reduce AI's energy consumption inside data centers rather than replace classical chips.
Terra Quantum's $3.25B SPAC Deal Signals Quantum Software's Market Moment
Terra Quantum AG announced a $3.25 billion SPAC merger with Mountain Lake Acquisition Corp. II on April 9, positioning software and quantum security—not raw hardware—as the near-term revenue driver for quantum computing.
Xanadu Lists on Nasdaq at $3.6B, First Photonic Quantum IPO
Xanadu Quantum Technologies debuted on Nasdaq and the TSX on March 27, 2026, raising $302 million at a $3.6 billion market cap — the first publicly listed pure-play photonic quantum computing company.
QpiAI Hits 1.5-Microsecond QEC Latency, 40x Below Industry Standard
Bengaluru-based QpiAI demonstrated a hardware QEC decoder achieving 1.5-microsecond end-to-end latency on its 64-qubit Kaveri processor — 40x faster than the 60-microsecond CPU/GPU industry baseline.