Quantum news — June 30, 2026

The largest funding story of the day came from China, where SpinQ closed a RMB 1 billion (roughly $147 million) Series D round to scale its fault-tolerant superconducting quantum computing platforms. The raise brings the Shenzhen-based company's total capital over a six-month window to RMB 2 billion, a pace that underscores how intensely China's domestic quantum sector is being financed [1]. On the hardware architecture front, Dutch photonics firm QuiX Quantum published a detailed blueprint for Dedalo, a full-stack system architecture designed to achieve universal, fault-tolerant photonic quantum computing at room temperature. The approach targets the field's most persistent optical bottleneck, photon loss, by transitioning natively from probabilistic physical states to error-corrected logical qubits managed through single-basis measurements [2]. Separately, physicists reported in Nature Physics the first demonstration of Hong-Ou-Mandel interference with up to 12 indistinguishable neutral atoms, an effect previously confined to photonic systems, opening new prospects for atom-based quantum information processing [3]. In finance and partnerships, Pasqal and Crédit Agricole CIB formalized a multi-year strategic production roadmap to move neutral-atom quantum processing from exploratory finance research into operational capital markets workflows, deepening a collaboration that dates to 2019 [4]. On the corporate-access side, Pasqal also filed its joint Form F-4 registration statement with the SEC in connection with its proposed SPAC merger with Bleichroeder Acquisition Corp. II, a transaction that values the French neutral-atom developer at a pre-money figure of roughly $2 billion and would bring it to the Nasdaq [5]. D-Wave secured a $1.57 million sub-grant from the NSF's National Quantum Virtual Laboratory program to serve as the primary industrial hardware partner for Yale University's ERASE project, which aims to demonstrate fault-tolerant quantum computing using erasure qubits and dynamic circuits [6]. The US Army and NSA jointly launched the QuantumEAGLe initiative, a new program pairing DEVCOM Army Research Office resources with NSA expertise to advance quantum sensing, computing and communications for defense applications [7]. On the workforce and education side, the European Commission officially funded the launch of the European Quantum Academy with a total budget of 19.8 million euros. Operating under the Quantum Flagship, the body is tasked with standardizing quantum technology education and building transcontinental talent pipelines [8]. In Latin America, the Benemérita Universidad Autónoma de Puebla hosted the Hackathon LATAM 2026 Quantum Computing for Water Challenges, gathering university students from across the region to apply quantum computing methods to water-resource problems [9]. In fundamental science, a researcher at Lawrence Berkeley National Laboratory used an IBM quantum computer with 104 qubits to simulate hadronization, the process by which quarks bind into hadrons, reproducing string-breaking dynamics in a simplified model and publishing the results in Physical Review D. The work represents a concrete step toward using quantum hardware for large-scale particle-physics calculations [10]. Texas A&M researchers also announced the invention of TRIP spectroscopy, a laser-based technique that uses quantum-mechanical measurement of pi-pi stacking forces to quantify noncovalent interactions relevant to drug discovery, including work on the SARS-CoV-2 main protease [11]. StarkWare released a multi-phase post-quantum cryptographic roadmap for the Starknet Layer-2 blockchain network, detailing how the architecture will transition its core cryptographic primitives to quantum-resistant alternatives. The announcement noted that Starknet's STARK proof system already relies on hash functions rather than elliptic-curve arithmetic, giving it a degree of native insulation from quantum attack [12]. Microsoft, meanwhile, accelerated its own quantum-safe roadmap, acknowledging growing urgency as the window before cryptographically relevant quantum computers may arrive continues to compress [13]. UC Berkeley contributed a quantum computing chip to the national time capsule being assembled to mark the United States' 250th anniversary, a symbolic gesture that situates the technology alongside other defining American milestones [14].