Researchers found that super-powerful quantum computers must be even more powerful than previously thought to outperform ordinary PCs. The team simulated boson sampling for 20-50 photons on laptops and servers, pushing the boundary of what is possible.
Researchers at MIPT and the University of Siegen have developed high-speed single-photon sources using diamond diodes, enabling efficient quantum communication and computing devices. The new design mechanism allows for precise photon emission times, crucial for applications such as quantum cryptography and quantum computing.
Researchers at The Australian National University have developed a groundbreaking material that enables a global quantum internet by storing quantum information in an erbium-doped crystal for more than a second, significantly longer than previous attempts. This breakthrough aims to unlock the full potential of future quantum computers.
Researchers from the University of Innsbruck have established a new method to efficiently characterize large quantum states, enabling the development of large-scale quantum simulators. The new method requires significantly fewer measurements than current gold standard, opening up possibilities for complex quantum simulations.
The study describes a method for measuring potential energy surfaces of atoms near optical nanofibers, facilitating quantum memories and components. It enables controlled interactions between lasers and atoms or materials, crucial for unconditionally secure communications and quantum computing.
Researchers have experimentally observed a new quantum many body state in the Shastry-Sutherland model, where atomic magnets are quantum-entangled in sets of four. This discovery has implications for materials science and quantum information technology, and could lead to the development of new theoretical methods.
A new technique allows users to hide both data and program from the quantum computer, even with classical communication. The scheme uses entangled qubits and measurement-based computing to create ambiguity, making it difficult for the computer to determine the true calculation.
Researchers at Oak Ridge National Laboratory have observed the Higgs amplitude mode with an infinite lifetime, providing new insights into exotic materials. The discovery was made using sophisticated neutron scattering techniques in a two-dimensional material.
The University of Southern California has been selected to lead a consortium to build 100-qubit quantum machines that can solve complex optimization problems. The $45 million contract aims to develop computational frameworks and design quantum annealers for enhanced quantum optimization.
A team of researchers has discovered a way to manipulate a weird quantum interface between light and matter in silicon carbide, advancing the possibility of applying quantum mechanical principles to existing optical fiber networks. They achieved a record-breaking 10,000 photons before destroying the spin state, paving the way for secur...
Researchers at Aalto University and University of Oulu review the physics of frequency modulation in various quantum systems. The study highlights its importance in developing more accurate quantum devices and faster quantum gates for near-future small-scale quantum computers.
Researchers have discovered that all entangled states of two particles have a unique classical fingerprint. This breakthrough enables the certification of quantum computers and encryption devices, ensuring their authenticity. The discovery uses a simple set of measurements to act as an identity check for any two-particle entangled state.
Scientists demonstrate novel protocol using crystals to emit and store quantum light for extended distances, paving the way for a future quantum repeater. This breakthrough enables secure communication over longer ranges by harnessing the properties of quantum superposition.
Researchers at TU Wien and Heidelberg University have demonstrated how to test quantum field theories in a quantum simulator, using thousands of ultra cold atoms. This allows for unprecedented study of fundamental quantum processes and their correlations.
A new quantum-circuit refrigerator has been invented by Mikko Möttönen and his team at Aalto University, which reduces errors in quantum computing. The device uses a nanoscale cooling mechanism to cool qubits, making them more reliable and powerful.
Researchers at Tohoku University successfully generated unpolarized single photons from diamond with intrinsic randomness. This breakthrough is expected to revolutionize quantum information technology, including quantum computing and cryptography.
Researchers at CIFAR have successfully bred Schrödinger cat states in optics, amplifying classical states of light beyond microscopic limits. This breakthrough could lead to applications in quantum communication, teleportation, and cryptography.
Researchers have developed a new theoretical framework to identify computations that occupy the 'quantum frontier', the boundary between problems solvable by classical and quantum computers. The study shows that these computations can be performed with near-term, intermediate quantum computers.
Physicists at Caltech have detected a new state of matter, a three-dimensional quantum liquid crystal, which could play a role in ultrafast quantum computers. This discovery may lead to the creation of topological superconductors, addressing challenges in building quantum computers.
Recent advances in quantum image processing (QIP) have improved computing speed, guaranteed security, and minimal storage requirements. QIP technologies utilize entanglement and parallelism to capture, manipulate, and recover quantum images.
Scientists at TU Wien have successfully coupled nitrogen-vacancy defects in two diamonds using quantum physics, a crucial step towards developing new quantum technologies. The breakthrough enables the creation of highly sensitive sensors and switches for quantum computers.
Researchers at the University of East Anglia discovered a new mechanism for creating paired light particles, which could have significant implications for quantum physics. The findings suggest that photon pairs can be emitted from spatially separated points, introducing positional uncertainty of fundamental quantum origin.
Researchers at the University of Innsbruck and TU Wien have developed a new quantum communication protocol that can reliably transfer quantum information even in the presence of detrimental noise. The protocol uses an additional quantum oscillator to couple qubits, allowing for precise separation of the noisy signal from the weaker qua...
Researchers demonstrated steady state lasing with colloidal quantum dots, a crucial step towards practical laser technology. The unique shape of the quantum dots, resembling a flying saucer, overcame limitations in previous lasers.
Osaka University researchers have successfully detected multiple spin states of a single quantum dot in real time, opening the door to more efficient quantum computing. The team used a quantum point contact charge sensor to distinguish between singlet and triplet spin states, enabling the detection of three two-electron spin states.
Researchers have developed a way to program randomness into quantum circuits, paving the way for a boson sampler and potentially a quantum computer. The breakthrough, led by Dr Nick Russell's work, solves a key problem in quantum computing and offers a significant milestone in the field.
Louis Taillefer, a Canadian quantum physicist and CIFAR's Director of Quantum Materials program, has made groundbreaking discoveries in experimental low-temperature physics. He was awarded the Simon Memorial Prize for his contributions to understanding quantum materials.
Researchers have discovered that quantum devices can process information more efficiently than classical devices by harnessing quantum theory. This breakthrough could lead to significant advancements in fields such as artificial intelligence and machine learning.
Researchers develop quantum RAM that models complex problems with unprecedented amounts of data, using a 'quantum hard drive' smaller than conventional simulations require. This breakthrough achieves significant improvements in efficiency, paving the way for advancements in complex simulations and real-world applications.
Researchers at the University of Ottawa have developed a high-dimensional quantum cloning machine that can intercept secure quantum messages. By analyzing the results, they discovered clues to protect quantum computing networks from potential hacking threats.
Scientists have successfully created a photonic chip that can emit directional photons, paving the way for complex quantum networks. This breakthrough enables full control over photons and has significant implications for quantum communication and information processing.
Scientists have made groundbreaking discoveries about the movement of supercool electrons on a liquid helium surface, shedding light on their behavior and potential applications in quantum computing. The research aims to create a scalable system with mobile qubits, paving the way for significant advancements in the field.
Scientists at the University of the Witwatersrand have made a groundbreaking discovery that allows for real-time error correction in quantum communications. By utilizing classical entangled light, they can establish secure quantum links over long distances, paving the way for major advances in data transfer and encryption.
Researchers from the University of Sydney have demonstrated a technique to predict and prevent the randomization of quantum systems, or decoherence, which destroys their useful quantum character. This achievement could help bring powerful quantum technology closer to reality.
A research team at TU Wien developed a new method that combines strong measurements with weak measurements to reconstruct quantum states. This approach allows for higher precision and accuracy in determining the quantum state, reducing the need for post-processing.
Scientists have successfully built a device that allows a single electron to communicate with a photon, paving the way for more efficient quantum computing. This breakthrough enables quantum information to be transferred between electrons and photons, reducing noise and increasing performance.
Researchers developed a new framework for faster control of a quantum bit, accelerating switching with unprecedented speed. The technique enables less prone to errors in high-speed operation, paving the way for quantum applications like secure communications and simulation of complex systems.
Scientists at Aalto University discovered half-quantum vortices in superfluid helium, a topological defect that overcomes limitations of circulating currents. This breakthrough may enable access to isolated Majorana modes and exotic solitary particles, crucial for quantum information processing.
Researchers from Moscow Institute of Physics and Technology develop a method to connect two electrons in a qudit, paving the way for compact high-level quantum structures. This breakthrough could lead to practical applications such as efficient solar cells and new drugs.
Scientists at the University of Sussex have invented a new method to build large-scale quantum computers using voltages on microchips, rather than aligning laser beams. This breakthrough enables the construction of universal quantum computers with potentially revolutionary applications in fields like materials science and medicine.
Researchers have demonstrated a new type of quantum liquid or quantum droplet state where atoms preserve their form in absence of external confinement due to quantum effects. The discovery opens up a new research area in ultracold quantum gases and may contribute to increasing our knowledge of superfluidity.
Researchers at Vienna University of Technology developed a new method to create durable quantum states in nitrogen atoms and microwaves, increasing the lifetime of quantum memory by more than an order of magnitude. This breakthrough enables important quantum-technological applications with faster data processing times.
A Polish-British team has developed a compact and efficient converter that modifies individual photons' properties, enabling the construction of complex quantum computers. The device achieves high conversion efficiency and preserves quantum superposition.
Researchers have developed a formula to understand where quantum objects land when transmitted, offering insights for controlling open quantum systems. The formula suggests that 'rain gutters' and 'gates' can be engineered to manipulate quantum objects, either after they land or during their flow.
The UK Quantum Technologies Innovation Fund has announced its latest funding recipients, with over 30 live demonstrations showcasing cutting-edge technologies. The joint investment by Innovate UK and EPSRC aims to accelerate the application and exploitation of these technologies.
Researchers at ANU and UQ have developed a cloning method that produces higher-quality quantum clones than existing methods, with a success rate of about 5%. This breakthrough could enable ultra-secure encryption over long distances, overcoming the limitations of current quantum communication systems.
Researchers at University of Waterloo developed a new extensible wiring technique for controlling superconducting quantum bits, enabling the creation of scalable quantum computers. The technique, called the 'quantum socket,' connects classical electronics with quantum circuits and can be extended to thousands of qubits.
Australian engineers have created a new quantum bit called the 'dressed qubit' which retains quantum information for much longer than previously achieved, opening up new avenues to build and operate powerful quantum computers. The result is a 10-fold improvement in the time span during which quantum superposition can be preserved.
Researchers from Sandia and Harvard Universities have successfully embedded silicon atoms in a diamond matrix to create the first quantum bridge. This breakthrough enables the connection of multiple small quantum computers, potentially revolutionizing quantum sensing and information distribution.
Scientists at IPC PAS have developed a new method to produce zinc oxide quantum dots with an impermeable shell, allowing them to retain their luminescence. This breakthrough enables the creation of stable and non-toxic quantum dots suitable for medical diagnosis and imaging.
Researchers at the University of Washington aim to create fundamentally secure communications exploiting quantum mechanics. They will explore semiconductor-diamond nanophotonic transmitters for long-distance quantum communication, overcoming challenges such as signal amplification and scalability.
USC Viterbi School of Engineering researchers have developed a new method to suppress heating errors in quantum processors, called nested quantum annealing correction. This scheme reduces and corrects errors associated with heating, a common type of error in quantum optimizers.
Scientists from Oxford University have successfully created a quantum logic gate with unprecedented 99.9% precision, paving the way for more efficient processing and simulation capabilities in quantum computing. This achievement is a significant step towards building a functional quantum computer.
The new module combines proven techniques with advances in hardware and software to run arbitrary algorithms on five qubits. It enables the flexibility to test the module on a variety of problems, bringing practical quantum computing closer to reality.
A breakthrough in quantum tomography has been achieved by RMIT researchers, demonstrating a new technique that significantly reduces resources and improves robustness against noise. This innovation enables the characterisation of large quantum states, a critical bottleneck in quantum information science.
Researchers at Yale University have created a novel system to encode, spot errors, decode and correct errors in a quantum bit, extending its lifetime more than three times longer than typical superconducting qubits. This breakthrough enables the use of Quantum Error Correction (QEC) for real computing.
Researchers at UCSB have uncovered a link between classical chaos and quantum entanglement using controllable quantum systems. Their findings suggest that thermalization is the driving force behind both chaos and entanglement in quantum systems, with implications for quantum computing.
The researchers have developed a new technique to apply precisely controlled silica coatings to quantum dot nanorods, saving time and preserving their optical properties. The approach enables the coating process to be completed in a day, up to 21 times faster than previous methods.
Researchers created bowtie-shaped silver nanoparticles to study quantum phenomena, enabling strong coupling between photons and single quantum systems. The ability to control this coupling could lead to the development of more powerful computing and encryption devices.
The second quantum revolution harnesses entanglement to enable new applications like quantum communications, metrology and computing. Quantum processors will advance simulations and universal calculations, transforming science and economics.