A new method to pack quantum computing power into a small space and control it was devised by Penn State researchers. The technique uses laser light and microwaves to precisely control the switching of individual qubits, enabling calculations impossible for classical computers.
Physicists at NIST create a quantum simulator by entangling up to 219 beryllium ions, enabling simulations that challenge classical computers. The technique also helps improve atomic clocks and models complex physics phenomena.
A team of researchers has developed a method to precisely alter the quantum mechanical states of electrons in an array of quantum boxes. This allows for the investigation of interactions between various types of atoms and electrons, crucial for advancing quantum technologies.
The QUTIS group and Google have collaborated on a pioneering experiment that digitizes analogue quantum computation using superconducting circuits. This breakthrough enables the universal solvability of optimization problems, useful in finance, materials science, and pharmaceuticals.
Researchers from Singapore and UK test a compact device in space that creates and measures pairs of light particles, a precursor to entangled photons. The technology aims to connect powerful quantum computers globally, enabling secure keys for secret messaging.
Scientists at the University of Bristol have developed a new method to simulate a 'quantum walk' on a primitive quantum computer, which they claim can solve problems that classical computers cannot. The study suggests that these smaller quantum processors could outperform classical computing for specific tasks, such as 'Boson Sampling'.
A team of researchers has built a chip that generates multiple frequencies from a robust quantum system producing time-bin entangled photons. This feature can enable multiplexed and multi-channel quantum communications and increased quantum computation information capacity.
Researchers at UC Santa Barbara have developed a system that can transfer optical quantum information to locally stored solid-state quantum formats, enabling quantum communication. The team uses rare earth atoms to store superpositions of zero and one used in quantum computation.
RMIT researchers have successfully trialled a quantum processor capable of routing quantum information from different locations, opening a pathway towards the first quantum data bus. This breakthrough has significant implications for future quantum technologies, including quantum computing and secure communication.
A new technique to probe and control environmental noise in quantum computing has been developed by a Dartmouth-led team. The method, called quantum noise spectroscopy, uses a quantum system as a probe of its own environment to extract information about the noise.
Researchers develop a new approach to coupling Rydberg atoms to surfaces, reducing electric fields and enabling hybrid quantum systems. The findings show promise for the second quantum revolution in engineering quantum matter with arbitrary precision.
Researchers from Griffith University have successfully implemented a simplified version of the quantum Fredkin gate, a challenging circuit that enables efficient processing in quantum computers. This achievement could lead to more powerful and compact quantum computing systems.
Researchers successfully simulated the Unruh effect using an NMR quantum simulator, replicating theoretical predictions and creating new quantum correlations. The study paves the way for exploring accelerated systems in black hole physics, cosmology, and particle physics.
Majorana zero modes are present and protected in a superconducting state, storing quantum information in a way that leaves the quantum state intact when either location is disturbed. This finding verifies previous experiments and goes further by showing that Majorana modes are protected as predicted theoretically.
Researchers have achieved a new milestone in quantum physics by entangling three particles of light in a high-dimensional quantum property. This breakthrough has the potential to revolutionize quantum encryption and secure communication, enabling multiple parties to share information with unconditional security.
Researchers at Stanford University have created a novel quantum light source that can enable perfectly secure communication. By harnessing the quantum properties of light, they've overcome technical challenges in devices that send and receive quantum data.
A working quantum computer system is expected to be developed by 2020, as predicted by Professor O'Brien of the University of Bristol. This will lead to breakthroughs in artificial intelligence, pharmaceutical discovery, and cyber security, disrupting traditional businesses and challenging current computing technologies.
Researchers at University of Vienna develop nanomechanical device that converts quantum vibrations to light, paving the way for a future quantum Internet. The device allows for connection between different quantum systems, enabling global exchange of quantum information.
The new journal aims to highlight the emergence, progress, and impact of quantum information science and related technologies. It will be led by Editor-in-Chief Dr Robert Thew and offers open access publishing options.
Researchers connected two materials with unusual quantum-mechanical properties through a quantum constriction, enabling clean materials with intriguing quantum-mechanical properties. This collaboration opens up a new research direction for ultrafast and robust electronic networks.
Researchers at Oxford's NQIT Hub develop a hybrid logic gate using calcium-40 and -43 ions, demonstrating precision beyond the fault-tolerant threshold. This achievement advances the development of trapped-ion quantum computing and its potential to solve complex problems in chemistry and biology.
Scientists have found a way to solve complex problems using a quantum computer traveling along 'open timelike curves' without breaking the laws of causality. This breakthrough allows for supercomputational power while maintaining the integrity of quantum principles.
Researchers have achieved the most extreme entanglement between photon pairs, pushing quantum physics to its limit. The result bolsters confidence in schemes for quantum cryptography and computing.
Scientists at the Niels Bohr Institute have developed a photon contact that can control the transport of photons in a circuit. This breakthrough enables the creation of complex quantum photonic circuits and paves the way for the development of quantum networks based on photons.
Researchers at University of Innsbruck propose new quantum computer architecture that detaches logical qubit from physical implementation, overcoming challenges in adiabatic quantum computation. This approach enables scalable and fault-tolerant quantum computing.
An international team of researchers reviewed theoretical ideas on quantum teleportation, concluding a hybridisation of protocols is the most fruitful approach. This could lead to more efficient and reliable teleportation systems for quantum computing, communication, and network development.
Dr Jonathan Pritchard has secured a prestigious fellowship to support his research into the direct exploitation of quantum phenomena. His project aims to develop a hybrid device combining atoms and superconducting circuits for scalable quantum networking, with potential applications in computing, finance, and more.
Researchers at NIST have teleported quantum information over 100km of optical fiber, four times farther than the previous record. The experiment confirmed that quantum communication is feasible over long distances in fiber.
Oriol Romero-Isart receives Euro 4,000 award for seminal contributions to quantum physics topics including degenerate gases and nanooptics.
A new model applying ideas from complex networks has found that some quantum spaces might include hubs with significantly more links than others. Calculations indicate that these spaces are described by well-known quantum statistics, suggesting they could be useful for physicists working on quantum gravity.
Physicists at the University of Basel have demonstrated that electron exchange limits the stability of quantum information in qubits. By controlling this exchange process, they can extend coherence times and improve quantum computing performance.
Researchers have developed an optical chip that can process photons in an infinite number of ways, a major step forward in creating a quantum computer. This breakthrough brings together existing quantum experiments and paves the way for new protocols, making it easier to conduct research and discover new science.
Researchers at Penn State have developed a method for addressing individual neutral atoms using laser light, enabling the creation of quantum computers. The technique allows for precise control over qubits and enables quantum computing applications such as factoring large numbers used in secure codes.
Researchers have successfully implemented superposition of quantum gates, allowing for increased efficiency in quantum computations. This breakthrough could pave the way for faster quantum computers.
Scientists from TU Wien and Free University of Berlin developed a quantum tomography method to measure and describe large quantum systems precisely with few measurements. This technique uses continuous matrix product states, which represent a vanishingly small fraction of all possible states but are physically important.
Physicists have successfully frozen single charged atoms to within a millionth of absolute zero using microwave radiation, paving the way for simplified construction of quantum technology devices. This technique will enable the creation of powerful quantum sensors, ultra-fast quantum computers, and ultra-stable quantum clocks.
Scientists have developed a new protocol to estimate unknown optical processes with enhanced precision using entangled photons, promising better sensors for medical research and more powerful quantum computers. The technique uses the unique properties of quantum mechanics to surpass current limitations in sensing and measurement.
Researchers have developed a new quantum error correction code that can correct errors afflicting a specified fraction of qubits, not just the square root of their number. This protocol requires little measure of quantum states and can correct virtually all errors in quantum memory.
Researchers at Georgia Tech have developed a microfabricated ion trap architecture that increases qubit density and brings us closer to building a quantum computer. The new design uses ball grid array techniques to fit more electrodes onto the chip, paving the way for increased scalability.
Engineers at the University of Toronto have developed the first all-photonic quantum repeaters, enabling reliable and secure data transmission over long distances. The repeaters use highly entangled quantum states to reduce losses and function at room temperature.
Researchers at the University of Bristol have successfully integrated quantum teleportation circuits onto a photonic chip, overcoming scalability limitations. This breakthrough enables the development of ultra-high-speed quantum computers and strengthens communication security.
The US National Science Foundation has awarded 10 Physics Frontiers Centers, focusing on basic research in quantum computing and fundamental physics. These collaborative environments support multidisciplinary projects and education initiatives.
Researchers from the University of Bonn and Cambridge successfully linked two different quantum systems, quantum dots and ions, to work together as a team. This hybrid system combines the strengths of both components, enabling faster calculations and improved memory storage.
Researchers at UCL develop technology to suspend and cool glass particles to absolute zero, enabling the creation of quantum states in objects far larger than atoms. This could lead to breakthroughs in motion sensors and quantum computer networks.
A panel of quantum experts will share their insights on the origins, achievements and long-term predictions of quantum research. The discussion aims to explore transformational opportunities of quantum information technologies.
Researchers at University of Strathclyde and Waterloo discovered a method to quantify steering's impact on distinguishing physical processes, enhancing quantum information processing. The study has implications for quantum cryptography and metrology.
Researchers at Princeton University have successfully built a rice-sized laser powered by single electrons tunneling through artificial atoms known as quantum dots. The device demonstrates a major step forward for efforts to build quantum-computing systems out of semiconductor materials, according to co-author Jacob Taylor.
A team of physicists at Australian National University has improved storage time by a factor of over 100, achieving a record six-hour storage time. This breakthrough is expected to revolutionize the transmission of quantum information and enable the creation of a secure worldwide data encryption network.
A team of researchers has proved that two features of the quantum world are different manifestations of the same thing. They found that 'wave-particle duality' is simply the quantum 'uncertainty principle' in disguise, reducing two mysteries to one.
Scientists at Eindhoven University of Technology have successfully controlled the shape of light particles, a crucial step towards establishing a 'quantum internet'. This breakthrough enables faster and more efficient quantum communication, paving the way for the development of powerful quantum computers.
Researchers have created high-value, compact nanoscale resistors using thin-film chromium oxide, enabling faster development of quantum devices for computing and fundamental physics research. The new resistors can be tuned by controlling oxygen content, making them compatible with quantum phase-slip circuit requirements.
The UK has unveiled a £120 million national network of Quantum Technology Hubs, exploring the properties of quantum mechanics and harnessing them for technology. The hubs will deliver transformative impacts in key areas such as quantum metrology and sensors; quantum simulators; quantum computers and quantum secure communications.
A breakthrough in atomic memory technology allows for reliable quantum information storage and transmission over long distances. The device can store light with multiple spatial modes, enabling higher capacity and paving the way for widespread adoption of quantum communications.
Researchers from St. Petersburg State University developed a theoretical model for quantum memory in light, adapting classical hologram concepts to a quantum system. They demonstrated the possibility of retrieving specific portions of stored quantized light signals with precise control over space and time.
Scientists at the Cavendish Laboratory and Joint Quantum Institute create a new type of qubit control that leverages its surroundings to maintain quantum integrity. By harnessing the environment's magnetic field, they enable efficient manipulation and readout of quantum states, paving the way for quantum computing advancements.
Weak measurements aim to gain information from quantum systems by minimizing disturbance. However, researchers Joshua Combes and Christopher Ferrie found a classical analogy for the same process, casting doubt on its quantum nature.
Researchers have discovered a way to control the properties of quantum dots by using ultrathin layers of metal oxides. This new approach makes quantum dots glow brighter and enhances their emission efficiency, which is crucial for applications such as sensors, light-emitting diodes, and solar cells.
Researchers at NIST and the University of Waterloo directly entangled three photons, a breakthrough in quantum information systems. The use of superfast single-photon detectors enabled stable and high-quality results, paving the way for applications in quantum computing and quantum communications.
The researchers used acoustic waves to communicate with an artificial atom, demonstrating phenomena from quantum physics. The study could potentially harness quantum physics to create faster computers by controlling and studying quantum electrical circuits.
Scientists have successfully used a protection effect to enhance the stability of a promising quantum system, allowing for longer storage times. This breakthrough opens up new applications for hybrid quantum systems and could lead to ultrafast quantum computers.