Quantum news — June 29, 2026

Quantinuum dominated the day's market news as a wave of Wall Street banks initiated coverage of the full-stack quantum company. UBS, Bank of America and Jefferies all launched their coverage with buy ratings, praising the firm's integrated hardware-and-software platform, while Morgan Stanley placed Quantinuum on its quantum shortlist [1]. The investor enthusiasm extended well beyond the analyst desks: Fortune reported that BlackRock, Nvidia and Temasek are channeling billions into quantum computing as venture funding for the sector reaches record highs [2]. Hardware progress came out of China, where China Telecom's Quantum Group brought its 2,682-photon Tianyan-P2000 photonic machine into formal production on its public Tianyan cloud. The deployment is notable for delivering verified quantum computational advantage across both photonic and superconducting modalities through a single multi-tenant network, a first for a commercial cloud platform [3]. In the Netherlands, a QuTech team reported an above-unity coherent light-matter interface linking a diamond tin-vacancy color center to photons trapped in a nanoscale optical cavity, work published in Physical Review X that strengthens the prospects for diamond-based quantum networking nodes [4]. National programs and infrastructure also advanced. Turkiye's Secretariat of Defence Industries unveiled the SSB Quantum Program, a sovereign roadmap drawing on more than 300 experts and covering quantum computing, sensing and secure communications, including superconducting processor development [5]. In the United States, NIST selected SRI to establish a Quantum Manufacturing Engineering Center aimed at scaling production of quantum devices [6]. On the software and tooling side, IBM released Qiskit Paulice, an open-source add-on that automatically identifies and injects low-overhead spacetime error-detection codes into near-term Clifford circuits, a practical step toward squeezing more reliability out of pre-fault-tolerant machines [7]. Corporate moves rounded out the day. Pasqal named Stephane Rougeot as its chief financial officer, a hire that signals the neutral-atom developer's continued institutional maturation [8]. In Australia, Silex Systems completed its quantum-grade silicon production facility in Sydney, targeting first output in early 2027 to supply isotopically purified material for silicon-based qubits [9]. Capping the day, SEEQC filed for an initial public offering on the Nasdaq Global Market, aiming to advance its digital quantum computing chip infrastructure [10].