New Method Reveals Quantum States Using Indirect Measurements of Particle Flows
A team from UNIGE shows that it is possible to determine the state of a quantum system from indirect measurements when it is coupled to its environment.

UPM and Q*Bird Launch Spain’s First Multi-Node MDI-QKD Network in Madrid
The Universidad Politécnica de Madrid (UPM), in collaboration with Q*Bird, has officially deployed Spain’s first operational Measurement-Device-Independent Quantum Key Distribution (MDI-QKD) network. This multi-node infrastructure connects three distinct high-security sites: two locations within the Instituto Nacional de Técnica Aeroespacial (INTA)...

Horizon Quantum and Alice & Bob Partner to Streamline Fault-Tolerant Software Development
Horizon Quantum Computing and Alice & Bob have announced a strategic collaboration to integrate their respective software and hardware capabilities, aimed at accelerating the deployment of fault-tolerant quantum computing (FTQC). The partnership centers on the integration of Alice & Bob’s...
Building the World's First Open-Source Quantum Computer
Researchers from the University of Waterloo's Faculty of Science and the Institute for Quantum Computing (IQC) are prioritizing collaboration over competition to advance quantum computer development and the field of quantum information. They are doing this through Open Quantum Design...
Stealth Quantum Sensors Unlock Possibilities Anywhere GPS Doesn't Work
As commercial interest in quantum technologies accelerates, entrepreneurial minds at the University of Waterloo are not waiting for opportunities—they are creating them.
How Pointing Errors Impact Quantum Key Distribution Systems
Quantum key distribution (QKD) is an emerging communication technology that utilizes quantum mechanics principles to ensure highly secure communication between two parties. It enables the sender and receiver to generate a shared secret key over a channel that may be...

What BTQ’s Bitcoin Quantum Testnet Reveals About “Old BTC” Risk
How BTQ’s Bitcoin-like quantum testnet highlights where post-quantum risks may emerge and why mitigation is an engineering challenge.
Quantum 'Alchemy' Made Feasible with Excitons
What if you could create new materials just by shining a light at them? To most, this sounds like science fiction or alchemy, but to physicists investigating the burgeoning field of Floquet engineering, this is the goal. With a periodic...

Podcast with Jonathan Reiner, Director of Product Solutions, Quantum Machines
Jonathan Reiner is interviewed by Yuval Boger and describes his path from condensed-matter physics to leading the Product Solutions team at Quantum Machines. They discuss the rising complexity of quantum control, customer trends toward fidelity, low-latency compute, and automated calibration,...

Quobly and TNO Partner to Optimize Silicon Spin Qubit Manufacturing
Quobly (Grenoble, France) and TNO (Delft, Netherlands) have announced a research collaboration focused on accelerating the industrialization of silicon-based quantum computing. The partnership aims to bridge the gap between device engineering and materials science to improve the yield and performance...

SEEQC to Go Public via Merger with Allegro Merger Corp. At $1 Billion Valuation
In another significant move for the quantum hardware sector, SEEQC, the Elmsford, N.Y.-based developer of digital quantum-classical chips, has announced a definitive merger agreement with Allegro Merger Corp. (Allegro). The transaction, which includes a $65 million PIPE (Private Investment in...
Detecting Single-Electron Qubits: Microwaves Could Probe Quantum States Above Liquid Helium
One intriguing method that could be used to form the qubits needed for quantum computers involves electrons hovering above liquid helium. But it wasn't clear how data in this form could be read easily.
Honeycomb Lattice Sweetens Quantum Materials Development
Researchers at the Department of Energy's Oak Ridge National Laboratory are pioneering the design and synthesis of quantum materials, which are central to discovery science involving synergies with quantum computation. These innovative materials, including magnetic compounds with honeycomb-patterned lattices, have...
X-Ray Four-Wave Mixing Captures Elusive Electron Interactions Inside Atoms and Molecules
Scientists at the X-ray free-electron laser SwissFEL have realized a long-pursued experimental goal in physics: to show how electrons dance together. The technique, known as X-ray four-wave mixing, opens a new way to see how energy and information flow within...

SEALSQ and Kaynes SemiCon Establish SEALKAYNESQ Ltd to Secure India’s Semiconductor Supply Chain
SEALSQ Corp (NASDAQ: LAES) and Kaynes SemiCon have finalized a binding agreement to form SEALKAYNESQ Ltd, a joint venture (JV) dedicated to building India’s first secure semiconductor design and personalization center. The new entity, with SEALSQ holding a 51% stake...

SEALSQ and Quobly Announce Potential $200 Million Acquisition to Build Secure Silicon Quantum Systems
SEALSQ Corp (NASDAQ: LAES) has entered into a non-binding Memorandum of Understanding (MOU) for the strategic investment and potential majority acquisition of Quobly SAS, a French pioneer in silicon-based quantum computing. The multi-stage transaction, anchored by SEALSQ’s recently expanded $100...

Every Press Release Needs a Strategy Behind It
The is a reposting of an article I wrote for The Quantum Spin, a website managed by HKA Marketing Communications, and contains important advice from someone who is a recipient of many quantum press releases. We hope any reader who...

Colorado School of Mines Launches First Undergraduate Quantum Systems Engineering Degree in the United States
Colorado School of Mines is establishing a new Bachelor of Science in Quantum Systems Engineering, marking the first undergraduate degree of its kind in the United States. This program is designed to bridge a critical gap in the quantum workforce...

Efficient Cooling Method Could Enable Chip-Based Trapped-Ion Quantum Computers
New technique could improve the scalability of trapped-ion quantum computers, an essential step toward making them practically useful.
Turning Crystal Flaws Into Quantum Highways: A New Route Towards Scalable Solid-State Qubits
Building large-scale quantum technologies requires reliable ways to connect individual quantum bits (qubits) without destroying their fragile quantum states. In a new theoretical study, published in npj Computational Materials, researchers show that crystal dislocations—line defects long regarded as imperfections—can instead...
Electrons Stop Acting Like Particles—And Physics Still Works
Physicists have long relied on the idea that electrons behave like tiny particles zipping through materials, even though quantum physics says their exact position is fundamentally uncertain. Now, researchers at TU Wien have discovered something surprising: a material where this...
Neutral-Atom Arrays, a Rapidly Emerging Quantum Computing Platform, Get a Boost From Researchers
For quantum computers to outperform their classical counterparts, they need more quantum bits, or qubits. State-of-the-art quantum computers have around 1,000 qubits. Columbia physicists Sebastian Will and Nanfang Yu have their sights set much higher.
Quantum Simulator Reveals How Vibrations Steer Energy Flow in Molecules
Researchers led by Rice University's Guido Pagano used a specialized quantum device to simulate a vibrating molecule and track how energy moves within it. The work, published Dec. 5 in Nature Communications, could improve understanding of basic mechanisms behind phenomena...
New State of Matter Discovered in a Quantum Material
At TU Wien, researchers have discovered a state in a quantum material that had previously been considered impossible. The definition of topological states should be generalized.
Quantum-Dot Device Can Generate Multiple Frequency-Entangled Photons
Researchers have designed a new device that can efficiently create multiple frequency-entangled photons, a feat that cannot be achieved with today's optical devices. The new approach could open a path to more powerful quantum communication and computing technologies.
Scientists Realize a Three-Qubit Quantum Register in a Silicon Photonic Chip
Quantum technologies are highly promising devices that process, transfer or store information leveraging quantum mechanical effects. Instead of relying on bits, like classical computers, quantum devices rely on entangled qubits, units of information that can also exist in multiple states...
A New Valve for Quantum Matter: Steering Chiral Fermions by Geometry Alone
A collaboration between Stuart Parkin's group at the Max Planck Institute of Microstructure Physics in Halle (Saale) and Claudia Felser's group at the Max Planck Institute for Chemical Physics of Solids in Dresden has realized a fundamentally new way to...

A New Crystal Makes Magnetism Twist in Surprising Ways
Florida State University scientists have engineered a new crystal that forces atomic magnets to swirl into complex, repeating patterns. The effect comes from mixing two nearly identical compounds whose mismatched structures create magnetic tension at the atomic level. These swirling...
An Ultra-Fast Quantum Tunneling Device for the 6G Terahertz Era
A research team affiliated with UNIST has unveiled a quantum device, capable of ultra-fast operation, a key step toward realizing technologies like 6G communications. This innovation overcomes a major hurdle that has long limited the durability of such devices under...
Quantum Phenomenon Enables a Nanoscale Mirror that Can Be Switched on and Off
Controlling light is an important technological challenge—not just at the large scale of optics in microscopes and telescopes, but also at the nanometer scale. Recently, physicists at the University of Amsterdam published a clever quantum trick that allows them to...
Argonne Launches Silicon Quantum Collaboration with Intel
Argonne National Laboratory announced it has successfully deployed and is running a 12-qubit quantum dot device built by Intel, with the first collaborative work published in Nature Communications. The post Argonne Launches Silicon Quantum Collaboration with Intel appeared first on Inside...
Replication Efforts Suggest 'Smoking Gun' Evidence Isn't Enough to Prove Quantum Computing Claims
A group of scientists, including Sergey Frolov, professor of physics at the University of Pittsburgh, and co-authors from Minnesota and Grenoble have undertaken several replication studies centered around topological effects in nanoscale superconducting or semiconducting devices. This field is important...
Unexpected Oscillation States in Magnetic Vortices Could Enable Coupling Across Different Physical Systems
Researchers at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) have uncovered previously unobserved oscillation states—so-called Floquet states—in tiny magnetic vortices. Unlike earlier experiments, which required energy-intensive laser pulses to create such states, the team in Dresden discovered that a subtle excitation with magnetic...
Entanglement Enhances the Speed of Quantum Simulations, Transforming Long-Standing Obstacles Into a Powerful Advantage
Researchers from the Faculty of Engineering at The University of Hong Kong (HKU) have made a significant discovery regarding quantum entanglement. This phenomenon, which has long been viewed as a significant obstacle in classical quantum simulations, actually enhances the speed...
D-Wave in $550M Acquisition of Quantum Circuits
D-Wave Quantum Inc. (NYSE: QBTS) and Quantum Circuits Inc. today announced D-Wave will acquire Quantum Circuits for $550 million, consisting of $300 million in D-Wave common stock and $250 million in cash. The post D-Wave in $550M Acquisition of Quantum Circuits...
New Evidence for a Particle System that 'Remembers' Its Previous Quantum States
In the future, quantum computers are anticipated to solve problems once thought unsolvable, from predicting the course of chemical reactions to producing highly reliable weather forecasts. For now, however, they remain extremely sensitive to environmental disturbances and prone to information...

Quantum Structured Light Could Transform Secure Communication and Computing
Scientists are learning to engineer light in rich, multidimensional ways that dramatically increase how much information a single photon can carry. This leap could make quantum communication more secure, quantum computers more efficient, and sensors far more sensitive. Recent advances...
New Framework Unifies Space and Time in Quantum Systems
Quantum mechanics and relativity are the two pillars of modern physics. However, for over a century, their treatment of space and time has remained fundamentally disconnected. Relativity unifies space and time into a single fabric called spacetime, describing it seamlessly....

Tiny 3D-Printed Light Cages Could Unlock the Quantum Internet
A new chip-based quantum memory uses nanoprinted “light cages” to trap light inside atomic vapor, enabling fast, reliable storage of quantum information. The structures can be fabricated with extreme precision and filled with atoms in days instead of months. Multiple...
Metal–Metal Bonded Molecule Achieves Stable Spin Qubit State, Opening Path Toward Quantum Computing Materials
Researchers at Kumamoto University, in collaboration with colleagues in South Korea and Taiwan, have discovered that a unique cobalt-based molecule with metal–metal bonds can function as a spin quantum bit (spin qubit)—a fundamental unit for future quantum computers. The findings...
Fault-Tolerant Quantum Computing: Novel Protocol Efficiently Reduces Resource Cost
Quantum computers, systems that process information leveraging quantum mechanical effects, could soon outperform classical computers on some complex computational problems. These computers rely on qubits, units of quantum information that share states with each other via a quantum mechanical effect...

A New Superconductor Breaks Rules Physicists Thought Were Fixed
A shiny gray crystal called platinum-bismuth-two hides an electronic world unlike anything scientists have seen before. Researchers discovered that only the crystal’s outer surfaces become superconducting—allowing electrons to flow with zero resistance—while the interior remains ordinary metal. Even stranger, the...

“Purifying” Photons: Scientists Found a Way to Clean Light Itself
A new discovery shows that messy, stray light can be used to clean up quantum systems instead of disrupting them. University of Iowa researchers found that unwanted photons produced by lasers can be canceled out by carefully tuning the light...

Anything-Goes “Anyons” May Be at the Root of Surprising Quantum Experiments
MIT physicists say these quasiparticles may explain how superconductivity and magnetism can coexist in certain materials.