The Quantum Observer

Insider Brief TuringQ has entered China’s pre-IPO guidance process, becoming the latest quantum computing company seeking a public listing as the country’s quantum sector pushes toward commercialization. The Shanghai-based company develops photonic quantum chips and computers, a technology that aims to improve scalability by using light-based processors compatible with existing optical communications infrastructure.

Dr Zhenyu Cai’s research group in the Department of Computing seeks a highly motivated and exceptionally talented quantum theorist to lead projects aimed at developing a full-stack approach to suppressing errors in quantum hardware. This research focuses on achieving practical quantum computation by integrating techniques ranging from hardware-level noise suppression, quantum error mitigation, all the way to full fault-tolerant computation.

Insider Brief The article examines post-quantum cryptography migration timelines from governments, technology companies, financial institutions, infrastructure operators, and blockchain communities. Major organizations have set different transition targets, with regulatory deadlines extending to 2035 while several technology companies are targeting earlier migration milestones around 2029.

In a laboratory 2 kilometers underground, a crane lowers Matt Depatie, a detector technologist, through a hatch into a white-walled cavern filled with about 7,000 tons of ultrapure water that glows as blue as wiper fluid in the light. “Splashdown,” Depatie says over a radio as he steps into an inflatable raft waiting below.

Quantum 10, 2185 (2026). https://doi.org/10.22331/q-2026-08-07-2185 For quantum hardware that uses edge-by-edge QAOA compilations, sparsification leads to a direct reduction in circuit complexity.

Insider Brief QC Ware demonstrated a hybrid quantum-classical computational chemistry workflow combining its Promethium platform with IBM Quantum’s 156-qubit Heron superconducting quantum processor. The demonstration calculated electrostatic interaction energy for the nitric oxide reductase enzyme system using GPU-accelerated molecular modeling and quantum measurements.

Insider Brief Rigetti Computing reported second-quarter 2026 revenue of $5.1 million, a $28.1 million operating loss, and $541.3 million in cash, cash equivalents, and available-for-sale investments. The company highlighted progress on hybrid quantum-classical computing collaborations, on-premises system deployments, and its superconducting quantum computing technology roadmap.

Insider Brief Researchers demonstrated for the first time that concentrated sunlight can generate quantum-entangled photon pairs with high fidelity, challenging the long-held assumption that lasers are required for this process. By concentrating sunlight collected over 1.4 square meters into a nonlinear crystal, the team produced polarization-entangled photons with nearly 94% fidelity and correlations that violated Bell’s inequality, confirming genuine quantum entanglement.

Employer web page: Tags: The Quantum Systems Unit (QSU), headed by Prof. Thomas Busch, at the Okinawa Institute of Science and Technology (OIST) Graduate University (oist.jp) invites applications for a Postdoctoral Researcher or Staff Scientist position in theoretical quantum physics.

A 12 month (with possibility of extension to August 31st 2028) position available at University College Dublin with Steve Campbell on the project Resolving Tensions in the Thermodynamic Emergence of Classicality. Note that due to institutional constraints, applicants can have a maximum of 4 years postdoctoral experience at time of application. To apply: search for job reference 019918 through external job vacancies at UCDs hiring page at the link provided.