Researchers have successfully created single-atom quantum dots that can be used to control individual electrons with minimal energy. This breakthrough brings quantum dot-based devices within reach, potentially transforming the development of ultra-low power computers.
Researchers at the University of Maryland and the University of Michigan have teleported quantum information directly from one atom to another over a substantial distance. They achieved this feat by entangling the quantum states of two individual ytterbium ions, allowing for the transfer of information without physical medium.
Researchers at University of Toronto have demonstrated a new technique to squeeze light to the fundamental quantum limit, increasing certainty in measurement. This finding has potential applications for next-generation atomic clocks, novel quantum computing and our understanding of the universe.
A four-minute animated movie created by University of Calgary's Barry Sanders explains the nature of quantum computing, its power and underlying science. The animation uses state-of-the-art techniques to convey quantum concepts in an accurate and exciting way.
Researchers successfully stored and retrieved information using the nucleus of an atom, demonstrating a single atomic nucleus as quantum computational memory. The breakthrough enables faster processing speeds and longer memory times for quantum computing.
The EuroQUASAR programme will develop next-generation quantum standards for precise optical clocks and inertial sensors. Researchers, including Professor Markus Arndt, are working on new methods for quantum interferometry to measure molecular details such as mass and geometry.
Researchers at NIST and JQI have developed a technique to fine-tune light from quantum dots using laser pairs, potentially improving entangled photon generation for quantum information technologies. This breakthrough could accelerate advanced cryptography applications and pave the way for compact quantum dot devices.
Researchers at Purdue University have created a hybrid molecule that can be intentionally manipulated, opening the door to quantum computing in semiconductors. This discovery enables control over the quantum state, a required step for building quantum computers.
Researchers produce 'quantum images' pairs of information-rich patterns whose features are entangled by quantum physics, offering improved detection and amplification of light beams. The technique may also enable storing data in quantum computers and transmitting encrypted information.
The EuroQUAM inauguration conference in Barcelona showcased cutting-edge results in cold quantum matter, a field with applications in high-precision measurement and quantum information. The conference aimed to stimulate collaborations between experiment and theory, highlighting the high quality of research in Europe.
Scientists at Northwestern University have demonstrated a fundamental component of quantum computing, utilizing entangled photons generated in optical fibers. The team successfully implemented a controlled-NOT gate, enabling two photonic qubits to interact, paving the way for more complex quantum computer architectures.
A team of physicists and engineers at the University of Bristol demonstrated control of single particles of light on a silicon chip, a crucial step towards a super-powerful quantum computer. The controlled-NOT gate, the building block of a quantum computer, was achieved with high-fidelity operation.
Researchers at Ames Laboratory and Microsoft Station Q studied nitrogen-vacancy centers in diamond to understand decoherence, a process destroying quantum coherence. They discovered that environmental interference can be regulated by applying a moderate magnetic field, gaining insight into the decoherence process.
Researchers at the University of California - Santa Barbara and Ames Laboratory have discovered how fundamental particles in matter lose their quantum mechanical properties through interactions with their environment. This finding is key to unraveling how the classical world emerges from interacting quantum particles in matter.
Researchers at NRL and universities developed a new optical technique to control electron spins in quantum dot ensembles, enabling coherent manipulation of all spin frequencies. This breakthrough aims to create novel quantum computing devices using solid-state technology.
Researchers at the University of Michigan have successfully established entanglement between two atoms, a key feature of quantum communication. This achievement has significant implications for the development of super-fast quantum computers and a quantum internet.
Researchers have detected a hidden magnetic 'quantum order' extending over chains of nearly 100 atoms in a magnetically disordered material. This discovery may lead to the design of devices and materials for quantum information processing, including large-scale quantum computers.
Delft researchers achieved the first 'controlled-NOT' calculation with two qubits using superconducting rings, paving the way for more complex quantum calculations. This breakthrough demonstrates a crucial step towards creating a functional quantum computer.
Researchers have discovered a way to manipulate individual carbon-13 atoms in diamond to create stable quantum mechanical memory and a small quantum processor operating at room temperature. This breakthrough brings solid-state materials into the realm of quantum computing, revolutionizing scientists' approach to the technology.
MIT researchers have cooled a dime-sized mirror to 0.8 degrees Kelvin, a temperature that would take 13 billion years for it to circle the Earth. The team hopes to use this technique to observe quantum behavior in large objects, which is currently only possible at extremely low temperatures.
Researchers found telltale signs of a link between quantum effects and thermodynamic properties in YbRh2Si2, shedding light on collective organization of microscopic particles.
Professor Wootters was awarded the International Quantum Communications Award and the APS Prize to a Faculty Member for Research in an Undergraduate Institution. His research on quantum teleportation has been widely cited, and he is recognized for his engagement of undergraduate students in physics research.
Researchers have developed a novel simulator that can recreate quantum behavior in atoms and particles, enabling control over individual parts of a quantum system. This breakthrough is crucial for developing powerful quantum computers that can perform calculations billions of times faster than normal computers.
Researchers have designed a new quantum processor core that keeps qubits active all the time, enabling faster calculations and making quantum computers more efficient. This breakthrough could lead to advancements in fields like molecular biology, biophysics, and materials science.
Pitt researchers create tiny semiconductor islands that can confine individual electrons, a crucial step towards building a quantum computer. The achievement demonstrates the potential of nanotechnology in advancing quantum computing.
Physicists propose a nanoscale magnetic probe to study entanglement at a quantum critical point, potentially leading to breakthroughs in high-temperature superconductivity. The probe could provide controlled and tunable settings for studying quantum effects, including spin waves and electron tunneling.
Researchers develop quantum algorithm to calculate molecular energy states with high accuracy, overcoming challenges in quantum chemistry. By using a relatively small number of qubits, they demonstrate the potential of quantum computers to solve complex problems that are currently unsolvable by classical supercomputers.
NIST demonstrates improved quantum memory capabilities, enabling qubits to maintain superpositions over 1 million times longer. This advance significantly reduces the computing resources needed to correct memory errors in fault-tolerant quantum computers.
Researchers discovered that quantum coherence in qubits spontaneously disappears, even without external influences. This process is linked to quantum mechanical spontaneous symmetry breaking, which could limit the development of quantum computers.
Researchers found a defect in quantum dot creation that hinders scientific experimentation and propose tweaking light beam or pulse duration to overcome the issue. The study also sheds light on controlling electron spin, potentially leading to faster electronic devices.
Researchers at Los Alamos National Laboratory have developed a new method for transferring non-contact energy to nanocrystals from a quantum well. This enables the efficient production of light with controlled color, opening up possibilities for hybrid quantum-well/nanocrystal devices and applications in solar cells.
Researchers create 'quantum dots' in gallium arsenide to harness electrons' spin for logic gates and potential quantum computing applications. The tiny dots could enable faster, smaller computer chips with enhanced data security.
Researchers propose experiments to test quantum effects in mechanical systems, achieving sensitivity close to the quantum limit. The goal is to understand how quantum and classical physics crossover, a long-standing scientific question.
Researchers at Carnegie Mellon University have developed a new coating method for Quantum Dot Corp.'s quantum dots, enabling them to circulate in the body for up to eight months. This allows for non-invasive imaging of structures in living mice and potential applications in cancer diagnosis and treatment.
Researchers have made significant progress in understanding the behavior of materials at quantum critical points, a stage where materials change phases. The new classification system has shed light on the relationship between quantum criticality and high-temperature superconductivity.
The paper proposes an experimentally realizable circuit and an efficient scheme to implement scalable quantum computing. Researchers aim to overcome two major stumbling blocks: preparing, manipulating, and measuring fragile quantum states and controlling connectivity between many qubits.
Researchers at Purdue University have successfully linked two tiny structures called quantum dots to create a semiconductor-based quantum computer. The device uses quantum bits that exist in both on and off states simultaneously, enabling faster processing of information than conventional computers.
A study at the University of California, Santa Barbara, detects a 'dead' time between photon emissions from a single quantum dot, verifying the quantum theory of light and paving the way for applications in quantum computing and optics. The experiment was performed at room temperature, a significant finding as it demonstrates the robus...
University of Michigan physicists have created a database that stores and retrieves data in atomic quantum phase, a new approach to data storage. The study uses cesium atoms and ultrafast lasers to store and retrieve data, confirming theoretical predictions made by L.K. Grover.
Researchers at Idaho National Laboratory are exploring quantum-based phenomena to enhance computer microchips and other electronic devices. They aim to develop tiny, efficient semiconductors using quantum dots, which could lead to quantum computing and improved light-emitting applications.