Researchers have developed a method to reduce noise and resources required for quantum information transmission, paving the way for a quantum internet. Quantum multiplexing allows for the combination of multiple pieces of information into one photon, reducing the need for separate stamps and enabling significant resource reduction.
Army researchers have developed a new way to protect and safeguard quantum information, allowing for more efficient and secure communication. By understanding and removing certain types of noise in quantum channels, the team can convert bad noise into good noise with the addition of a cheap extra component.
Researchers at MIT have developed a hybrid process to manufacture and integrate 'artificial atoms' with photonic circuitry, producing the largest quantum chip of its type. The process enables scalable production of millions of quantum processors needed for quantum computers.
Researchers at Trinity College Dublin have developed a novel device that enables controlled single photon emission from quantum dots, a crucial component in quantum computing and communications. This breakthrough allows for entangled states of pairs of quantum dots, paving the way for significant advancements in quantum technologies.
A new quantum classifier introduces a tailored quantum kernel, outperforming AI technology and enhancing classification tasks with small datasets. The method exploits the quantum advantage in finding non-linear features, leading to significant improvements.
Researchers at MIT's LIGO Laboratory measure quantum noise affecting 40-kilogram mirrors, displacing them by 10-20 meters, a confirmed prediction by quantum mechanics. The team uses a novel instrument called a quantum squeezer to isolate and quantify the quantum effect.
Researchers successfully demonstrated quantum entanglement onboard a CubeSat, paving the way for a cost-effective global quantum communications network. The miniaturized photon source operated successfully in space, maintaining high-quality entanglement despite temperature changes.
Researchers from Basel and Bochum have experimentally confirmed the radiative Auger process in quantum dots, a crucial step for quantum communication. This discovery allows for precise determination of quantum mechanical energy levels, enabling better understanding of quantum systems.
The US Army has made significant advancements in quantum networking research, which will play a crucial role in future battlefield operations. The researchers have developed a system that can send information quantum-mechanically between nodes without occupying the linking channel.
Scientists have successfully demonstrated the unique quantum characteristic of the 'Quantum Cheshire Cat' by exchanging grins between two photons without physical contact. By applying a perturbation to the system, they were able to obtain weak values that separated each photon's polarization.
Scientists at the University of Chicago have developed a new quantum communication technique that bypasses traditional channels, allowing for secure information transfer without photon loss. This breakthrough enables faster and more efficient communication systems, opening up new possibilities for future technologies.
Silq allows programmers to utilize quantum computers' potential better than existing languages, with more compact and faster code. The language also automatically identifies and erases unnecessary values through uncomputation, improving the reliability of quantum calculations.
Researchers at the University of Bristol have developed a novel technique to generate high-quality single photons, paving the way for large-scale quantum photonics. The breakthrough enables the creation of scalable quantum photonics devices, which can solve complex problems beyond current supercomputers.
Researchers have found a link between 2D and 3D phases of topological matter, reviving the quantum Hall effect in 3D superconductors. This connection could enable fault-tolerant quantum computing using entangled states protected by long-range quantum entanglement.
Researchers at UCLA have developed a new qubit with nearly ideal properties, enabling ultra-low error rate quantum devices. This breakthrough should impact various areas of quantum information science, paving the way for large-scale NISQ devices.
Researchers at the Dalian Institute of Chemical Physics found clear quantum interference in the H + HD reaction, verifying that Nature plays dice. The study reveals a new roaming mechanism, which occurs only 0.3% of the time, and highlights the complexity of chemical reactions.
A team of researchers from the University of Seville and international partners successfully filmed quantic measurement for the first time. The experiment confirmed a subtle prediction in quantum physics, showing that the quantum state changes gradually during measurement rather than instantaneously.
Researchers have developed a new approach to speed up trapped ion quantum computing using giant Rydberg ions, increasing computational capacity exponentially. The experimental work confirms that the system can scale up without slowdowns, enabling large-scale quantum computation.
The researchers have demonstrated a world record for the largest spectral, color-tuning range from an atomically thin quantum system. By stretching the material, they induced mechanical expansion of the quantum source, resulting in dramatic tuning range of colors emitted by quantum light.
Researchers at Stockholm University have developed a method to speed up quantum computing using giant Rydberg ions, which can exchange quantum information in under a microsecond. This breakthrough could lead to the creation of scalable quantum computers for complex calculations.
Researchers at Caltech have successfully created a tiny optical cavity that can store and transmit quantum information, a crucial step towards building a quantum internet. The cavity allows scientists to efficiently collect and detect photons emitted by rare-earth ytterbium ions, enabling the creation of a quantum network.
Harvard and MIT researchers have developed a prototype quantum node that can correct for signal loss, paving the way for a practical quantum internet. The breakthrough enables secure communication over long distances using entangled particles, making it impossible for eavesdroppers to intercept messages.
A team of Lehigh University optimization experts, led by Tamás Terlaky, will work on optimizing algorithms for quantum computing with a $2.1M DARPA grant. They aim to demonstrate that quantum computers can surpass classical computers on certain problems.
Physicist Esther Wertz receives NSF CAREER award to investigate nanometer-scale metal structures controlling light at the quantum limit. Her work aims to create a single photon transistor by manipulating quantum states without destroying superposition.
The University of California, Riverside, has been awarded $3.75 million to lead a collaborative effort in developing scalable quantum computers. The project aims to establish a novel platform for quantum computing that can scale up to many qubits, overcoming current limitations.
Researchers at ETH Zurich create a five-metre long microwave quantum link, demonstrating the feasibility of quantum local networks. The breakthrough could enable the development of powerful quantum computers by connecting smaller devices in a cluster.
Researchers developed open-source software to assist in creating quantum materials, which could vastly increase computing power and reduce energy consumption. The Quantum KITE initiative uses sophisticated computer programmes to predict material properties, enabling the creation of realistic simulations with unprecedented atom numbers.
Researchers at USTC enhance quantum orienteering using entangling measurements via photonic quantum walks, achieving unprecedented efficiency. The method demonstrates a nonclassical phenomenon due to entanglement in quantum measurements, offering an effective recipe for realizing entangling measurements.
Researchers directly observe a dynamical topological order parameter to probe coherent quantum time evolution in quantum walks. This allows for the classification and study of quantum walks using a novel approach.
A new quantum process tomography method based on convex optimization effectively characterizes quantum channels, revealing their true action with high accuracy. The method demonstrates excellent performance in both unitary and non-unitary quantum channels, achieving up to 99.5% accuracy.
Researchers created a neural network that autonomously finds solutions well-adapted to quantum advantage demonstrations, aiding in developing new efficient quantum computers. This breakthrough enables the prediction of quantum advantages in complex networks, which is crucial for creating cost-effective and reliable quantum devices.
A team of researchers has found a way to derive quantum field theoretical descriptions for many-particle systems directly from experimental measurements. This breakthrough could simplify the study of complex quantum systems and provide new insights into fundamental questions in physics.
Researchers laser-cooled a 150-nanometer glass sphere containing 100 million atoms to its quantum ground state, revolutionizing the study of macro-quantum physics. This achievement enables unprecedented opportunities to test fundamental physics and probe the boundaries between classical and quantum mechanics.
Researchers created and imaged a novel pair of coupled quantum dots, which could serve as robust quantum bits for a quantum computer. The patterns of electric charge in the islands cannot be fully explained by current models of quantum physics, offering an opportunity to investigate new physical phenomena.
Researchers from ORNL and Purdue University successfully design a quantum frequency beam splitter using standard lightwave communications technology, enabling controlled photon interactions. The team also demonstrates a coincidence-basis controlled-NOT gate and completes the first demonstration of a frequency tritter.
A new device created by Aalto University and Lund University has set a new standard for measuring the tiniest energies in superconducting circuits. The calorimeter uses a strip of copper one thousand times thinner than a human hair to detect energy changes, providing essential insights into quantum thermodynamics.
Researchers at Oak Ridge National Laboratory have developed a quantum chemistry simulation benchmark to evaluate the performance of quantum devices. The benchmark characterizes the 'mixed state' of how the environment and machine interact, providing insight into systematic error mitigation in current quantum hardware. This work aims to...
Researchers at Princeton University have successfully established a long-distance relationship between two silicon quantum bits, paving the way for more complex calculations and potentially cheaper quantum computers. The breakthrough uses light-based communication to transmit messages between qubits on a computer chip.
Clemson University professor Joe Kolis is developing new quantum materials using hydrothermal synthesis to make reliable qubits for quantum computing and data storage. By cooling material at lower temperatures, he aims to achieve the necessary magnetic disorder for quantum phenomenon to take over.
Cycle benchmarking provides a solution to compare the capabilities of quantum processors across different architectures and applications. Researchers have made significant progress in characterizing errors in quantum systems, paving the way for establishing universal standards for measuring quantum computer performance.
Researchers at University of Warwick develop protocol to measure how close a quantum computer's answer is to correct ones. This helps confirm if quantum computer has outperformed classical computers, so-called quantum supremacy.
Researchers at Universitat Autonoma de Barcelona developed an optimal procedure to identify clusters of identically prepared quantum systems, solving the challenge of sorting quantum data. The new protocol outperforms classical strategies, particularly for large dimensional data.
Researchers at Skoltech found that black holes thermalize through the same mechanism as conventional quantum systems, providing insight into quantum gravity. The study confirms the Eigenstate Thermalization Hypothesis in spatially-extended systems, a long-sought proof.
Scientists have created a new method to isolate quantum images from classical illumination, enabling ultra-sensitive microscopy and potential applications in quantum communications. By leveraging image distillation, they can retrieve 'quantum illuminated' images even with high classical illumination.
Researchers successfully demonstrated quantum supremacy by harnessing Google's Sycamore quantum computer and ORNL Summit supercomputer, showcasing the power of quantum computing for solving complex tasks. The experiment outperformed the classical system by a significant margin, providing critical information for future quantum computers.
Researchers have successfully created an efficient quantum-mechanical light-matter interface using a microscopic cavity, enabling interactions between individual photons and artificial atoms. The experiment demonstrates the potential for new quantum technological applications in photonics and quantum information processing.
Researchers have successfully created a large-scale quantum processor made entirely of laser light, providing a scalable solution to overcome current limitations in quantum computing. The design allows for the generation of a massive two-dimensional cluster state with built-in scalability.
Scientists at UNIGE have entangled three pairs of photons to create a highly-correlated triangle, exhibiting strong quantum correlations. This discovery could lead to the development of new ultra-secure encryption keys and revive fundamental quantum physics research.
University of Illinois researchers Kwiat and Kaneda have built a single-photon source that produces 30 photons at unprecedented efficiencies. By using time multiplexing, they reduced the loss rate to 1.2 percent per cycle, guaranteeing at least one photon pair production per run.
The DOE is investing $21.4 million in quantum information science research, focusing on particle physics and fusion energy sciences. This funding will support projects that explore the application of quantum computing to analyze particle physics data and simulate complex systems.
Researchers at the University of Vienna and University of Basel successfully create a quantum superposition in hot, complex molecules composed of nearly 2,000 atoms. The experiment sets new constraints on alternative theories to quantum mechanics, demonstrating the robustness of quantum mechanics on a macroscopic scale.
Researchers demonstrate a method of transferring the state of electrons, a crucial step towards creating effective quantum computers. This achievement brings scientists one step closer to unlocking the full potential of quantum computing.
A team of researchers from Brown University and Dartmouth College will use a novel approach to study quantum materials and complex quantum states. They aim to design new materials whose properties depend on correlated quantum states, which could lead to error-tolerant quantum computers.
A unified framework has been developed to account for the apparent breakdown between classical and quantum physics. Researchers tested this framework using a quantum satellite called Micius, where they produced and measured entangled particles. The results ruled out one version of the theory but left another open to testing.
Researchers at OIST Graduate University have developed a new method to detect electrons' transitions to quantum states using image charge detection. This technique has the potential to create a ten-centimeter chip, reducing the size of current quantum computers and bringing them closer to practical use.
Juha Muhonen's research group aims to solve a key issue in creating large-scale quantum platforms in silicon. The new quantum hybrid platform combines quantum elements with nano-optomechanical elements to enable practical applications of silicon quantum technologies.
Researchers developed a new method to write and read quantum messages with very fast particles, overcoming the limitations of standard techniques. The novel technique guarantees unambiguous decoding even when particles behave according to both quantum mechanics and special relativity.
Scientists have shown that quantum computers have two degrees of freedom for each bit, enabling faster calculations. A simulation tool called Quantum Simulation Logic has been developed to simulate quantum computer properties in a classical computer.
Researchers at the University of Innsbruck have successfully transferred quantum entanglement between matter and light over 50 kilometers using fiber optic cables. This achievement paves the way for building inter-city quantum networks, which could enable secure communication and distributed sensor networks.
Researchers have demonstrated a loophole-free Bell test with the measurement settings determined by remote cosmic photons, verifying the completeness of quantum mechanics with high-confidence probability. The experiment closed loopholes that had long confounded tests of quantum mechanics, providing new evidence of quantum interactions.