The Quantum Journal

Terra Quantum AG, a St. Gallen-based leader in hybrid quantum-classical solutions, has signed a non-binding letter of intent (LOI) to go public through a business combination with Mountain Lake…

Qoro Quantum, a London-based deep-tech startup, has raised $750,000 in pre-seed funding to address the integration bottleneck between classical and quantum computing. The round was led by Ada…

Horizon Quantum Holdings Ltd. (Nasdaq: HQ) and IonQ (NYSE: IONQ) have announced a strategic agreement for the purchase of a 6th-generation, chip-based 256-qubit trapped-ion system. This acquisition…

Infleqtion (NYSE: INFQ), in collaboration with NASA’s Jet Propulsion Laboratory (JPL), has provided an upgraded physics package to the International Space Station (ISS) via the Northrop Grumman-24…

Insider Brief PRESS RELEASE — Terra Quantum AG (“Terra Quantum”), a leading quantum technology company, and Mountain Lake Acquisition Corp. II (“MLAC II”) (Nasdaq: MLAA), a special purpose…

Insider Brief PRESS RELEASE — The Cleveland Clinic Quantum Innovation Catalyzer Program announced its newest cohort of start-up company awardees advancing quantum computing applications in healthcare…

Insider Brief PRESS RELEASE — Infleqtion (NYSE: INFQ) (the “Company”) a global leader in quantum computing and quantum sensing powered by neutral-atom technology, today announced 2026 revenue…

Riverlane, a developer of quantum error correction (QEC) technology, has released performance metrics for its second-generation Deltaflow 2 system, demonstrating a mean latency of 16.32µs. This…

QuiX Quantum has appointed Robin Wittland as Chief Commercial Officer (CCO). Wittland brings over 25 years of experience from senior leadership roles at Microsoft and WORTMANN AG, and most recently…

Insider Brief PRESS RELEASE — Terra Quantum AG (“Terra Quantum”), a leading quantum technology company, and Mountain Lake Acquisition Corp. II (“MLAC II”) (Nasdaq: MLAA), a special purpose…

Insider Brief PRESS RELEASE — The Cleveland Clinic Quantum Innovation Catalyzer Program announced its newest cohort of start-up company awardees advancing quantum computing applications in healthcare…

Insider Brief PRESS RELEASE — Infleqtion (NYSE: INFQ) (the “Company”) a global leader in quantum computing and quantum sensing powered by neutral-atom technology, today announced 2026 revenue…

Insider Brief PRESS RELEASE — Infleqtion (NYSE: INFQ), a global leader in quantum computing and quantum sensing powered by neutral-atom technology, is providing upgraded quantum hardware to the…

Insider Brief PRESS RELEASE — Horizon Quantum Holdings Ltd. (“Horizon Quantum”), a pioneer of software infrastructure for quantum applications and IonQ — the world’s leading quantum platform company…

Insider Brief PRESS RELEASE — SuperQ Quantum Computing Inc. (“SuperQ Quantum”, “SuperQ”, or the “Company”) (CSE: QBTQ; OTCQB: QBTQF; Frankfurt: 25X), a leader in sovereign quantum-safe infrastructure…

arXiv:2604.06270v1 Announce Type: new Abstract: Efficient data encoding is the main factor affecting how fast hybrid quantum-classical algorithms run, but traditional simulators spend most of their…

arXiv:2604.06303v1 Announce Type: new Abstract: We study the protocol of entanglement harvesting when two local probes couple to the vacuum of a real scalar quantum field with arbitrary temporal…

arXiv:2604.06319v1 Announce Type: new Abstract: Quantum computer hardware is predicted to scale over hundreds of thousands of qubits coming online in the next decade. Despite significant theoretical…

arXiv:2604.06322v1 Announce Type: new Abstract: General relativity and quantum mechanics are incompatible at the Planck scale. This contention can be examined if a quantum computer is set to operate…

arXiv:2604.06325v1 Announce Type: new Abstract: We study the task of lifting arbitrary quantum states and channels to purifications and Stinespring dilations, respectively, in both the probabilistic…

arXiv:2604.06410v1 Announce Type: new Abstract: Radiative coupling between quantum emitters leads to a range of spectacular emission phenomena. Dicke studied the foundations of collectively enhanced…

Terra Quantum AG, a St. Gallen-based leader in hybrid quantum-classical solutions, has signed a non-binding letter of intent (LOI) to go public through a business combination with Mountain Lake…

Qoro Quantum, a London-based deep-tech startup, has raised $750,000 in pre-seed funding to address the integration bottleneck between classical and quantum computing. The round was led by Ada…

Horizon Quantum Holdings Ltd. (Nasdaq: HQ) and IonQ (NYSE: IONQ) have announced a strategic agreement for the purchase of a 6th-generation, chip-based 256-qubit trapped-ion system. This acquisition…

Infleqtion (NYSE: INFQ), in collaboration with NASA’s Jet Propulsion Laboratory (JPL), has provided an upgraded physics package to the International Space Station (ISS) via the Northrop Grumman-24…

Riverlane, a developer of quantum error correction (QEC) technology, has released performance metrics for its second-generation Deltaflow 2 system, demonstrating a mean latency of 16.32µs. This…

QuiX Quantum has appointed Robin Wittland as Chief Commercial Officer (CCO). Wittland brings over 25 years of experience from senior leadership roles at Microsoft and WORTMANN AG, and most recently…