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Quantum Computing Report
Dr. Dominic Williamson (University of Sydney) and Theodore J. Yoder (IBM) have introduced a "gauging" procedure for fault-tolerant logical measurement in quantum error-correcting codes. Published in Nature Physics, the research was developed during W…
Apr 05, 2026
Quantum Computing Report
Postquant Labs has officially launched the public testnet for Quip.Network, a decentralized platform designed to bridge the gap between quantum hardware and blockchain infrastructure. With over 13,000 early sign-ups, the network operates as a dual-la…
Apr 05, 2026
Quantum Computing Report
Large-scale classical simulation of IQPE quantum circuits demonstrated in this work. Larger qubit counts and more Hamiltonian terms result in deeper circuits and longer simulation times. Credit: QIQB, The University of Osaka Osaka University’s Center…
Apr 05, 2026
Quantum Computing Report
Rigetti Computing (Nasdaq: RGTI) has officially expanded its on-premises footprint with the sale of a 9-qubit Novera™ QPU to the University of Saskatchewan (USask). This acquisition marks a historic milestone as USask becomes home to the first univer…
Apr 04, 2026
Quantum Computing Report
Infleqtion (NYSE: INFQ), a specialist in neutral-atom quantum technology, and Safran Electronics & Defense have announced the commercial availability of a quantum-enabled precision timing solution. The system integrates Infleqtion’s Tiqker™ quantum o…
Apr 04, 2026
Quantum Computing Report
SpinQ Technology, a Shenzhen-based provider of full-stack quantum solutions, has completed a 600 million Chinese Yuan ($87.2M USD) Series C+ financing round. This brings the company’s total Series C funding to nearly 1 billion Chinese Yuan ($145.3M U…
Apr 04, 2026
The Quantum Insider
Insider Brief The alarm over Google Quantum AI’s latest findings has centered on risk, but the same advance is sharpening the case that useful quantum applications may arrive sooner than expected. A recent white paper written by a Google-led research…
Apr 04, 2026
Quantum Computing Report
Diagram of a distance‑7 rotated surface code with 97 physical qubits (49 data qubits + 48 measurement qubits) modelled by the team. Grey nodes are data qubits; labeled circles are ancillas measuring X- or Z-type checks on neighboring data qubits. Edg…
Apr 04, 2026
Quantum Computing Report
Comparison of logical quantum resources (number of logical qubits and Toffoli gates) required to break 256-bit ECDLP for the secp256k1 curve, as reported by various prior works. Credit: Google Quantum AI whitepaper. By Mohamed Abdel-Kareem Recent tec…
Apr 03, 2026
The Quantum Insider
Insider Brief Quantum technology is often portrayed as a field staffed by people with doctoral degrees and years of academic experience. That may be how it is now, but experts are increasingly concerned that as quantum moves out of theory and into pr…
Apr 03, 2026
The Quantum Insider
Insider Brief PRESS RELEASE — SpinQ Technology, a leading global provider of full-stack quantum computing solutions, today announced the successful completion of its 600 million Chinese Yuan (about $83 million U.S.) Series C+ financing round. This mi…
Apr 03, 2026
The Quantum Insider
Insider Brief A steady stream of announcements that quantum teams are making progress on quantum error correction seems to have stirred the once-skeptical cryptocurrency community. Coinbase CEO and co-founder Brian Armstrong said he will personally l…
Apr 03, 2026
The Quantum Insider
Insider Brief PRESS RELEASE — QuEra Computing today open-sourced its T-gate simulator (Tsim), a GPU-accelerated quantum circuit simulator that, for the first time, lets researchers simulate non-Clifford gate operations at the speed and scale that qua…
Apr 03, 2026
The Quantum Insider
Insider Brief PRESS RELEASE — CavilinQ, a quantum hardware startup, today announced it has raised $8.8 million in seed funding to develop the interconnect hardware necessary to scale quantum computers beyond today’s single-processor limits. The round…
Apr 03, 2026
Nature Quantum Info
Apr 03, 2026
Quantum Computing Report
CavilinQ, a Cambridge-based hardware startup, has closed an $8.8 million seed funding round led by QVT, with participation from Safar Partners, MFV Partners, Serendipity Capital, and Harper Court Ventures. The company is developing interconnect hardw…
Apr 02, 2026
Quantum Computing Report
QuiX Quantum, in collaboration with NASA’s Quantum Artificial Intelligence Laboratory, the University of Twente, and Freie Universität Berlin, has demonstrated "below-threshold" error mitigation on a photonic quantum computer. The experiment, conduct…
Apr 02, 2026
The Quantum Insider
Insider Brief In a week that has seen a parade of error-correction advances, a team of quantum computing researchers say they have shown a practical way to simulate large, error-prone quantum systems on classical computers, an advance that the scient…
Apr 02, 2026
The Quantum Insider
Insider Brief PRESS RELEASE — Large-scale quantum computers are waiting in the wings. One of the main reasons we dont have them yet is because quantum hardware is so noisy. This isn’t the type of noise you’d want to shush in a crowded theater. When i…
Apr 02, 2026
The Quantum Insider
Insider Brief PRESS RELEASE — Infleqtion (NYSE: INFQ), a global leader in quantum sensing and quantum computing powered by neutral-atom technology, announced availability of the first quantum-enabled precision timing solution delivered as part of the…
Apr 02, 2026
The Quantum Insider
Insider Brief PRESS RELEASE — QuiX Quantum, a leading provider of photonic quantum computing hardware, today announced it has demonstrated “below threshold” error mitigation for the first time on a photonic quantum computer, suppressing physical qubi…
Apr 02, 2026
Nature Quantum Info
Mar 31, 2026
Nature Quantum Info
Mar 30, 2026
Phys.org Quantum
A research team has, for the first time in the world, elucidated the microscopic mechanism by which quantum order is lost and collapses in "open quantum environments" existing in nature. Since perfectly isolated quantum systems cannot exist in realit…
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Phys.org Quantum
Detecting a single particle of light is hard; detecting a single microwave photon is even harder. Microwave photons, the tiny packets of electromagnetic radiation used in current technologies like Wi-Fi and radar, carry far less energy than visible l…
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Phys.org Quantum
Can a handful of atoms outperform a much larger digital neural network on a real-world task? The answer may be yes. In a study published in Physical Review Letters, a team led by Prof. Peng Xinhua and Assoc. Prof. Li Zhaokai from the University of Sc…
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Phys.org Quantum
Quantum states are notoriously fragile, and can be destroyed simply through interactions, measurements, and exposure to their surrounding environments. In a new theoretical study published in Physical Review X, Rohan Mittal and colleagues at the Univ…
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Phys.org Quantum
Quantum mechanics is extremely successful at describing the behavior of matter at the atomic level. This success forces one to accept that certain aspects of physical reality go far beyond our intuition. Among these, none is more intriguing than the …
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Phys.org Quantum
Researchers at IPhT (CEA, CNRS) and the Universitat Autònoma de Barcelona have shown that gravity—and with it, supersymmetry—emerge as logical necessities whenever a massive spin-3/2 particle exists in nature. Two principles are enough: causality, th…
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Phys.org Quantum
Imagine you're trying to build a very long, complicated chain of dominoes. The aim is that each domino hits the next one perfectly, all the way down the line, producing an amazing result at the end. A quantum circuit is like a domino chain: a long ch…
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Phys.org Quantum
A University of Sydney quantum physicist has developed a new approach to quantum error correction that could significantly reduce the number of physical qubits required to build large-scale, fault-tolerant quantum computers. The study, co-authored by…
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Phys.org Quantum
A joint research team between the Center for Quantum Information and Quantum Biology (QIQB) at The University of Osaka and Fixstars Corporation has demonstrated one of the world's largest classical simulations of iterative quantum phase estimation (I…
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Phys.org Quantum
Quantum computers of the future may be closer to reality thanks to new research from Caltech and Oratomic, a Caltech-linked start-up company. Theorists and experimentalists teamed up to develop a new approach for reducing the errors that riddle today…
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Phys.org Quantum
Researchers at the Technion—Israel Institute of Technology have, for the first time, measured the temporal duration of individual pulses of an extraordinary form of quantum light known as bright squeezed vacuum (BSV). Their findings are published in …
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Phys.org Quantum
In the air people breathe, the water on Earth, the stars in the sky and more, atoms are the building blocks that make up the universe. Understanding the structure of the atomic nucleus is crucial for research with implications for astrophysics and in…
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Phys.org Quantum
A research team led by Professor Jiwoong Yang of the Department of Energy Science and Engineering at DGIST has developed next-generation optical sensor technology capable of precisely detecting not only the intensity and wavelength of light but also …
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Phys.org Quantum
Scientists in the Riccio College of Engineering at the University of Massachusetts Amherst and the University of California Santa Barbara have demonstrated key laser and ion trap components necessary to help drastically shrink the size of quantum com…
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Phys.org Quantum
Quantum physicists at ANU have observed atoms entangled in motion. "It's really weird for us to think that this is how the universe works," says Dr. Sean Hodgman from the ANU Research School of Physics. "You can read about it in a textbook, but it's …
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Phys.org Quantum
When lasers were invented in the 1960s, they opened new avenues for scientific discovery and everyday applications, from scanners at the grocery store to corrective eye surgery. Conventional lasers control photons—individual particles of light—but ov…
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Phys.org Quantum
In quantum technologies, everything depends on the ability to detect the properties carried by a single photon. But in the real world, that photon of interest is often buried in a sea of unwanted light—a true "needle in a haystack" challenge that cur…
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Phys.org Quantum
Silicon is ubiquitous in modern electronics, and now it is becoming increasingly useful in quantum computing. In particular, silicon's compatibility with existing chip technology and its long coherence times in silicon-based spin qubits make it a pro…
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Phys.org Quantum
Physicists have developed a new theoretical framework which unifies a wide array of seemingly unrelated "Mpemba effects": counterintuitive cases where systems driven further from equilibrium relax faster than those closer to it. Reporting their resul…
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Phys.org Quantum
Quantum computers, systems that process information leveraging quantum mechanical effects, could outperform classical computers on some computationally demanding tasks. Despite their potential, as the size of quantum computers increases, reliably des…
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Phys.org Quantum
Quantum technologies, devices that can process, store, or detect information leveraging quantum mechanical effects, could outperform classical devices in some tasks or scenarios. Despite their potential, verifying that these devices work correctly an…
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Phys.org Quantum
Waterloo scientists have developed a new way to understand how the universe began, and it could change what we know about the Big Bang and the earliest moments of cosmic history. Their work suggests that the universe's rapid early expansion could hav…
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Phys.org Quantum
Can light behave like a whirlwind? It turns out it can—and such "optical tornadoes" have now been created in an extremely small structure by scientists from the Faculty of Physics at the University of Warsaw, the Military University of Technology, an…
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Phys.org Quantum
Researchers at the Würzburg site of the Cluster of Excellence ctd.qmat have succeeded in transferring the topological quantum Hall and spin Hall effects to a hybrid light-matter system by harnessing targeted material design. The team led by Professor…
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Phys.org Quantum
Dark matter, a type of matter that does not emit, reflect or absorb light, is predicted to account for most of the matter in the universe. As it eludes common experimental techniques for studying ordinary matter, understanding the nature and composit…
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Phys.org Quantum
The nature of quantum particles has long puzzled scientists. While single-particle interference suggests that a photon can behave like a spread-out wave, a whole photon is only ever detected in one specific place. Traditional interpretations of quant…
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Phys.org Quantum
Studying and designing novel materials is a central application of quantum mechanics. Chemists, materials scientists, and physicists focus on subtle interactions in quantum materials and to uncover them they rely on sophisticated computational and ex…
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Phys.org Quantum
Quantum computing promises to transform our world in rapid, radical and revolutionary ways: solving in seconds problems that would take classical computers years, accelerating the discovery of new medicines, creating sustainable materials, optimizing…
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Science Daily Quantum
Scientists have unveiled a new approach to ultra-secure communication that could make quantum encryption simpler and more efficient than ever before. By harnessing a 19th-century optics phenomenon called the Talbot effect, researchers developed a sys…
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Science Daily Quantum
Researchers have pushed quantum chip design into a new era by simulating every physical detail before fabrication. Using a supercomputer with nearly 7,000 GPUs, they modeled how signals travel and interact inside an ultra-tiny chip. Unlike earlier “b…
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Science Daily Quantum
Researchers have discovered new ways to shape quantum light, creating high-dimensional states that can carry much more information per photon. Using advanced tools like on-chip photonics and ultrafast light structuring, they’re pushing quantum commun…
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Science Daily Quantum
Qubits, the heart of quantum computers, can change performance in fractions of a second — but until now, scientists couldn’t see it happening. Researchers at NBI have built a real-time monitoring system that tracks these rapid fluctuations about 100 …
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Science Daily Quantum
Scientists have developed a new way to read the hidden states of Majorana qubits, which store information in paired quantum modes that resist noise. The results confirm their protected nature and show millisecond scale coherence, bringing robust quan…
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Science Daily Quantum
Quantum computers struggle because their qubits are incredibly easy to disrupt, especially during calculations. A new experiment shows how to perform quantum operations while continuously fixing errors, rather than pausing protection to compute. The …
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Science Daily Quantum
A new light-based breakthrough could help quantum computers finally scale up. Stanford researchers created miniature optical cavities that efficiently collect light from individual atoms, allowing many qubits to be read at once. The team has already …
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Science Daily Quantum
Quantum computers need extreme cold to work, but the very systems that keep them cold also create noise that can destroy fragile quantum information. Scientists in Sweden have now flipped that problem on its head by building a tiny quantum refrigerat…
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Science Daily Quantum
Quantum technology has reached a turning point, echoing the early days of modern computing. Researchers say functional quantum systems now exist, but scaling them into truly powerful machines will require major advances in engineering and manufacturi…
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Science Daily Quantum
Quantum computers could revolutionize everything from drug discovery to business analytics—but their incredible power also makes them surprisingly vulnerable. New research from Penn State warns that today’s quantum machines are not just futuristic to…
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Science Daily Quantum
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 …
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Science Daily Quantum
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…
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Science Daily Quantum
A new microchip-sized device could dramatically accelerate the future of quantum computing. It controls laser frequencies with extreme precision while using far less power than today’s bulky systems. Crucially, it’s made with standard chip manufactur…
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Science Daily Quantum
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 itself. …
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Science Daily Quantum
Quantum communication is edging closer to reality thanks to a breakthrough in teleporting information between photons from different quantum dots—one of the biggest challenges in building a quantum internet. By creating nearly identical semiconductor…
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Science Daily Quantum
Researchers created scalable quantum circuits capable of simulating fundamental nuclear physics on more than 100 qubits. These circuits efficiently prepare complex initial states that classical computers cannot handle. The achievement demonstrates a …
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Science Daily Quantum
Electrons can freeze into strange geometric crystals and then melt back into liquid-like motion under the right quantum conditions. Researchers identified how to tune these transitions and even discovered a bizarre “pinball” state where some electron…
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Science Daily Quantum
A Princeton team built a new tantalum-silicon qubit that survives for over a millisecond, far surpassing today’s best devices. The design tackles surface defects and substrate losses that have limited transmon qubits for years. Easy to integrate into…
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Science Daily Quantum
Scientists have developed a new way to build rare-earth crystals that boosts quantum coherence to tens of milliseconds. This leap could extend quantum communication distances from city blocks to entire continents. The method uses atom-by-atom constru…
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Science Daily Quantum
UC Santa Barbara physicists have engineered entangled spin systems in diamond that surpass classical sensing limits through quantum squeezing. Their breakthrough enables next-generation quantum sensors that are powerful, compact, and ready for real-w…
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Science Daily Quantum
Stanford scientists found that strontium titanate improves its performance when frozen to near absolute zero, showing extraordinary optical and mechanical behavior. Its nonlinear and piezoelectric properties make it ideal for cryogenic quantum techno…
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Science Daily Quantum
An international team has confirmed that large quantum systems really do obey quantum mechanics. Using Bell’s test across 73 qubits, they proved the presence of genuine quantum correlations that can’t be explained classically. Their results show quan…
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Science Daily Quantum
Diraq has shown that its silicon-based quantum chips can maintain world-class accuracy even when mass-produced in semiconductor foundries. Achieving over 99% fidelity in two-qubit operations, the breakthrough clears a major hurdle toward utility-scal…
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Science Daily Quantum
Researchers have discovered an unusual "quantum echo" in superconducting materials, dubbed the Higgs echo. This phenomenon arises from the interplay between Higgs modes and quasiparticles, producing distinctive signals unlike conventional echoes. By …
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Science Daily Quantum
Penn engineers have taken quantum networking from the lab to Verizon’s live fiber network, using a silicon “Q-chip” that speaks the same Internet Protocol as the modern web. The system pairs classical and quantum signals like a train engine with seal…
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Science Daily Quantum
Caltech scientists have built a record-breaking array of 6,100 neutral-atom qubits, a critical step toward powerful error-corrected quantum computers. The qubits maintained long-lasting superposition and exceptional accuracy, even while being moved w…
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Science Daily Quantum
Researchers at UNSW have found a way to make atomic nuclei communicate through electrons, allowing them to achieve entanglement at scales used in today’s computer chips. This breakthrough brings scalable, silicon-based quantum computing much closer t…
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Science Daily Quantum
Like LEGO for the quantum age, researchers have created modular superconducting qubits that can be linked with high fidelity. This design allows reconfiguration, upgrades, and scalability, marking a big step toward fault-tolerant quantum computers.
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Science Daily Quantum
Quantum scientists in Innsbruck have taken a major leap toward building the internet of the future. Using a string of calcium ions and finely tuned lasers, they created quantum nodes capable of generating streams of entangled photons with 92% fidelit…
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Science Daily Quantum
While superconducting qubits are great at fast calculations, they struggle to store information for long periods. A team at Caltech has now developed a clever solution: converting quantum information into sound waves. By using a tiny device that acts…
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Science Daily Quantum
Scientists may have uncovered the missing piece of quantum computing by reviving a particle once dismissed as useless. This particle, called the neglecton, could give fragile quantum systems the full power they need by working alongside Ising anyons.…
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Science Daily Quantum
A research team has created a quantum logic gate that uses fewer qubits by encoding them with the powerful GKP error-correction code. By entangling quantum vibrations inside a single atom, they achieved a milestone that could transform how quantum co…
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Science Daily Quantum
Researchers have unveiled a new quantum material that could make quantum computers much more stable by using magnetism to protect delicate qubits from environmental disturbances. Unlike traditional approaches that rely on rare spin-orbit interactions…
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Science Daily Quantum
Quantum computing may one day outperform classical machines in solving certain complex problems, but when and how this “quantum advantage” emerges has remained unclear. Now, researchers from Kyoto University have linked this advantage to cryptographi…
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Science Daily Quantum
Researchers at Harvard have created a groundbreaking metasurface that can replace bulky and complex optical components used in quantum computing with a single, ultra-thin, nanostructured layer. This innovation could make quantum networks far more sca…
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Science Daily Quantum
Aalto University physicists in Finland have set a new benchmark in quantum computing by achieving a record-breaking millisecond coherence in a transmon qubit — nearly doubling prior limits. This development not only opens the door to far more powerfu…
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Science Daily Quantum
A multinational team has cracked a long-standing barrier to reliable quantum computing by inventing an algorithm that lets ordinary computers faithfully mimic a fault-tolerant quantum circuit built on the notoriously tricky GKP bosonic code, promisin…
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Science Daily Quantum
A research team has achieved the holy grail of quantum computing: an exponential speedup that’s unconditional. By using clever error correction and IBM’s powerful 127-qubit processors, they tackled a variation of Simon’s problem, showing quantum mach…
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Science Daily Quantum
Chalmers engineers built a pulse-driven qubit amplifier that’s ten times more efficient, stays cool, and safeguards quantum states—key for bigger, better quantum machines.
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Science Daily Quantum
Quantum computing just got a significant boost thanks to researchers at the University of Osaka, who developed a much more efficient way to create "magic states" a key component for fault-tolerant quantum computers. By pioneering a low-level, or "lev…
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Science Daily Quantum
Physicists at the University of Oxford have set a new global benchmark for the accuracy of controlling a single quantum bit, achieving the lowest-ever error rate for a quantum logic operation--just 0.000015%, or one error in 6.7 million operations. T…
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Science Daily Quantum
A team of researchers has shown that even small-scale quantum computers can enhance machine learning performance, using a novel photonic quantum circuit. Their findings suggest that today s quantum technology isn t just experimental it can already ou…
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Science Daily Quantum
Scientists have developed a powerful new tool for finding the next generation of materials needed for large-scale, fault-tolerant quantum computing. The significant breakthrough means that, for the first time, researchers have found a way to determin…
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Science Daily Quantum
A new experiment encodes quantum information in the motion of the atoms and creates a state known as hyper-entanglement, in which two or more traits are linked among a pair of atoms.
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Science Daily Quantum
Researchers united insights from cellular biology, quantum computing, old-fashioned semiconductors and high-definition TVs to both create a revolutionary new quantum biosensor. In doing so, they shed light on a longstanding mystery in quantum materia…
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Science Daily Quantum
Researchers have developed a technique that makes high-dimensional quantum information encoded in light more practical and reliable. The advancement could pave the way for more secure data transmission and next-generation quantum technologies.
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Science Daily Quantum
Researchers recently connected their campuses with an experimental quantum communications network using two optical fibers.
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Science Daily Quantum
Researchers have developed a new protocol for characterizing quantum gate errors, paving the way toward more reliable quantum simulations and fault-tolerant quantum computing.
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Science Daily Quantum
A research team has developed a new technique to rapidly and accurately determine the charge state of electrons confined in semiconductor quantum dots -- fundamental components of quantum computing systems. The method is based on Bayesian inference, …
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Science Daily Quantum
Researchers demonstrated extremely strong nonlinear light-matter coupling in a quantum circuit. Stronger coupling enables faster quantum readout and operations, ultimately improving the accuracy of quantum operations.
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Science Daily Quantum
A recent study has unraveled some of the secrets concealed within the entangled web of quantum systems.
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Science Daily Quantum
A team of researchers has developed a new way to control light interactions using a specially engineered structure called a 3D photonic-crystal cavity that could enable transformative advancements in quantum computing, quantum communication and other…
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Science Daily Quantum
Scientists have created the first neutron 'Airy beam,' which has unusual capabilities that ordinary neutron beams do not. The achievement could enhance neutron-based techniques for investigating the properties of materials that are difficult to explo…
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Science Daily Quantum
Diamonds with certain optically active defects can be used as highly sensitive sensors or qubits for quantum computers, where the quantum information is stored in the electron spin state of these colour centeres. However, the spin states have to be r…
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