Photonic

PsiQuantum breaks ground on $1B photonic quantum facility

PsiQuantum began construction on a utility-scale quantum computer in Australia, backed by nearly $1B in government funding and a $1B Series E, betting silicon-photonics will beat superconducting rivals to commercial fault tolerance.

Forge Nano wins second photonics fab order in 30 days

Forge Nano's TEPHRA ALD platform secures a commercial photonics equipment order, validating atomic-layer deposition as production-ready for integrated photonics manufacturing.

Quantum Startup Secures $115M in Six Months, Eyes Hardware Bottleneck

Monarch Quantum, a San Diego photonics company, closed a $55M growth round in March 2026 after launching in January with $60M in customer contracts, positioning itself as the infrastructure layer quantum computing cannot yet build at scale.

U.S. commits $2B to quantum foundries, betting supply chain controls the race

The Department of Commerce awarded $2 billion in CHIPS incentives to nine quantum companies, anchored by IBM's new Anderon foundry, reshaping who can access quantum wafer fabrication globally.

QCi launches photonic AI chip as PCIe card, targeting GPU's edge dominance

Quantum Computing Inc. shipped NeuraWave, a room-temperature photonic inference accelerator in PCIe form, positioning photonics as a power-efficient alternative to GPUs at the edge.

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.

IonQ Links Two Quantum Computers via Light, Wins DARPA Contract

IonQ demonstrated the first photonic interconnection of two commercial quantum computers and secured a DARPA HARQ contract, triggering a 20% stock surge and signaling that quantum networking—not just qubit count—is now the competitive frontier.

IonQ Connects Two Quantum Computers Via Photons, Stock Surges 18.3%

IonQ demonstrated the first photonic interconnection between two independent trapped-ion quantum systems on April 14, validating modular quantum networking and triggering an 18.3% stock surge amid DARPA contract awards.

CavilinQ Raises $8.8M to Build the Missing Layer in Quantum Scaling

CavilinQ closed an $8.8M seed round on April 2, 2026, to develop photonic interconnects linking quantum processors into modular clusters—solving the bottleneck that has prevented quantum computing from scaling beyond isolated machines.

Qblox ships first Made-in-America quantum control systems from Massachusetts

Qblox began manufacturing quantum control electronics in Canton, Massachusetts on April 1, 2026, backed by a DOE-Fermilab partnership — the first onshoring of quantum hardware infrastructure in response to U.S. supply-chain mandates.

QCi Deploys Dirac-3 in First Commercial Data Center Installation

Quantum Computing Inc. installed its Dirac-3 photonic optimization machine at Hammond, Indiana's Digital Crossroad Data Center on March 30, 2026 — the first commercial data center deployment of the system — secured by Toshiba QKD over live fiber.

Normal Computing Raises $50M Led by Samsung Catalyst for Thermodynamic AI Chip

Normal Computing closed a $50M Series B led by Samsung Catalyst Fund on March 25, 2026, backing the world's first thermodynamic computing chip and an AI-native EDA platform already deployed at more than half of the top 10 semiconductor firms by revenue.

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.