Articles tagged with Quantum Entanglement
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The National University of Singapore's quantum satellite SpooQy-1 carries a quote from The Golden Record 2.0, a play written for the NUS Arts Festival, to test a quantum light source enabling future secure communication. The satellite, built by CQT and the NUS Centre for the Arts, honours Singapore's diversity and globalised world.
Researchers at Yokohama National University successfully teleported quantum information within a diamond, enabling the transfer of sensitive data without destruction. The technique uses entangled particles and photon storage to achieve quantum teleportation.
Researchers have created a mechanical oscillator that can produce entangled radiation, which could serve as a link between quantum computers and optical fibers. This device has practical value in transferring information between quantum computers.
Researchers have successfully demonstrated a new method for verifying quantum entanglement in six-photon systems, achieving high confidence levels with low experimental runs. This breakthrough could move the field of quantum technologies forward by making large-scale quantum systems more feasible.
Researchers have successfully prepared a remote quantum state in the microwave regime, enabling secure communication. This breakthrough has the potential to transform the field of quantum cryptography and ultra-accurate quantum metrology.
Researchers at the University of Tsukuba developed a novel process for generating coherent lattice waves in silicon crystals using ultrashort laser pulses. This breakthrough may lead to the creation of faster and more efficient quantum computers.
Researchers at NIST have demonstrated the teleportation of a complete quantum logic operation using ions, a crucial step towards building large-scale quantum computers. The experiment involved transmitting data from one ion to another over a distance of over 340 micrometers without physical interaction.
Researchers at IQOQI have developed a new method for quantum simulation that uses a programmable ion trap quantum computer with 20 quantum bits. This allows for complex simulations to be performed efficiently and accurately.
Scientists create precise nitrogen-vacancy colour centres in diamonds using a new method, enabling the production of arrays of single NV centres with exactly one colour centre at each site. This facilitates the engineering of integrated devices and paves the way for the delivery of compact and robust quantum technologies.
Researchers at the University of Otago successfully interact two individual atoms in a controlled setting, showcasing potential for new quantum technologies. This achievement represents a significant step towards creating robust entanglement technology.
A new method for characterizing complex quantum states has been developed, enabling quantum simulations on larger systems. This method is based on the repeated measurement of randomly selected transformations of individual particles and provides information about the degree of entanglement.
A Harvard physicist has shown that wormholes can exist and are theoretically useful for quantum gravity research. However, travel through them would be slower than direct travel, making it impractical for space exploration.
A new approach enables the smooth navigation of photons through complex optical fiber obstacle courses, preserving entanglement and correlation. This breakthrough boosts expectations for quantum key distribution (QKD) technology, which uses signals in particles of light to create encryption keys.
Physicists propose a novel method to produce robust Majorana fermions in magnetic materials with different phase boundaries. This could lead to the creation of stable qubits for quantum computers, addressing limitations of current technology. The team plans to experimentally verify their findings using engineered systems.
Physicists have created a quantum simulator that mimics the behavior of magnets at very low temperatures using photons instead of magnetic dipoles. This breakthrough enables researchers to study complex quantum phenomena without requiring expensive experimental setups.
Two universities have collaborated to overcome a fundamental hurdle in building quantum computers in silicon. This collaboration opens the way for further development of machines at scale, enabling billions of qubits to be built in complex arrays.
Researchers demonstrated scrambling of information in a quantum computer, simulating the behavior of matter inside a black hole. They showed that entangled qubits could potentially be used to probe the mysterious interiors of black holes.
The discovery represents a powerful mechanism for quantum computing and cryptography. Researchers developed an exponential-SWAP gate that can link encoded particles on demand, mitigating the limitation of previous designs and enabling flexible operations.
Researchers at the University of Sydney have demonstrated an order of magnitude improvement in reducing infidelity, or error rates, in quantum logic gates by using codes to detect and discard errors. This achievement opens a path to further improvements in quantum computers.
Purdue University researchers have developed a material that improves the stability of quantum bits by enhancing supercurrents on their surface. This innovation has potential to boost quantum computing's performance and accuracy.
Researchers created quantum-correlated pairs made up of one visible and one near-infrared photon, combining the best of both worlds. This breakthrough promises to boost light-based circuits' ability to securely transmit information over long distances.
Researchers at MIT and ETH in Zurich have developed a system to produce coherent single photons using perovskite quantum dots. The study found that these materials can maintain coherence levels approaching those of established emitters, making them promising for quantum computing applications and secure quantum communications.
Researchers have made significant breakthroughs in quantum entanglement, enabling secure communication over long distances. A new technique allows particles to degrade rapidly, overcoming previous limitations and paving the way for a future internet.
The Interdisciplinary Quantum Information Research and Engineering (Inquire) instrument enables researchers in various fields to benefit from quantum resources, including entangled photons. Researchers can send photons into the central hub for high-tech imaging or receive entangled photons for secure communication.
Researchers have experimentally verified the three- and four-party generalized Hardy's paradox, confirming Bell nonlocality with theoretical predictions. The experimental results align with previous findings, providing insights into quantum mechanics.
Researchers have developed a hybrid device combining two types of qubits to solve the speed bottleneck in quantum computing. By integrating different qubit architectures, they achieved rapid initialization and coherent measurements, paving the way for more scalable devices.
A recent study reveals that Fe3Sn2 exhibits nematic electronic state and giant magnetization-driven energy shift, shedding new light on the presence of spin-orbit coupling in kagome lattices. The research also shows that the material can be manipulated to change its electron energy structure through tuning the magnetic field.
Researchers at the University of Copenhagen have developed a new technique to improve the storage time of quantum states in optical fibers, enabling secure quantum information transmission over longer distances. This breakthrough enables the creation of a completely secure quantum communication network by teleporting quantum informatio...
Researchers at the University of Bristol have discovered fundamental limits on the postselection technique used to test quantum mechanics. They found that as complex quantum systems are built, fewer and fewer entangled states can be reached using postselection alone.
Bell nonlocality and EPR steering are characterized using strict definitions, establishing a foundation for defining metric functions of Bell locality and EPR steering. The study generalizes previous results and provides sufficient conditions for determining the quantum state's EPR steerability.
Scientists at Institute for Basic Science achieved a breakthrough in shielding quantum properties by packing two atoms together, protecting fragile states 20 times longer than one atom. This development enables the exploration of single atoms as quantum bits for future information processing.
The Q.Link.X project funds a quantum repeater development to overcome transmission link limitations in optical fiber-based quantum communication, aiming for distances of up to ten or 100 kilometers.
Researchers at Empa and ETH Zurich have developed a novel quantum light source by arranging perovskite quantum dots into a three-dimensional superlattice. This enables the coherent collective emission of photons, creating ultrafast and bright superfluorescence.
Researchers at Griffith University have developed a procedure for making precise measurements of speed, acceleration and material properties possible. Using photons and entanglement, they achieved sensitivity approaching the Heisenberg limit, outperforming previous experiments.
Researchers successfully generate three-photon entanglement in three dimensions, increasing information capacity and paving the way for future technologies such as quantum computers and encryption. This breakthrough could enable teleportation of complex quantum systems and has significant implications for quantum communication networks.
Scientists have demonstrated a novel way to protect correlated photon states, opening a path to build robust entangled states for logic gates. This breakthrough uses silicon nanowires to create 'edge modes' that help guide and create these correlated states.
Researchers have isolated groups of a few atoms and precisely measured their multi-particle interactions within an atomic clock. The study reveals unexpected results when three or more atoms are together, including nonlinear shifts in the clock's frequency and long-lived entangled states.
The Quantum Flagship program will consolidate Europe's best quantum physics research and transfer technology to the market. Aalto University is involved in three projects: QMiCS, macQsimal, and S2QUIP, focusing on quantum communication, ultra-sensitive magnetic sensors, and photon-emitting quantum chips.
A new quantum network is being developed in the Chicago area to test unhackable communications, using principles of quantum physics to send information. The project aims to create a secure network with wide-ranging impact on communications and national security.
Researchers use artificial intelligence to develop a quantum error correction system that can learn from experience, outperforming traditional methods. The approach enables quantum computers to solve complex tasks by correcting errors in qubit states.
Researchers at QuTech have developed a comprehensive guide towards a world-wide quantum internet, describing six phases of network development from simple qubit networks to fully quantum-connected computers. This will enable secure quantum communications and applications such as precise clock synchronization and virtual telescopes.
Researchers build systems reproducing quantum predictions with classical models, suggesting a boundary for 'true' quantum phenomena beyond single-particle interactions. Quantum entanglement remains an unexplained mystery.
The U.S. Department of Energy's Argonne National Laboratory will receive over $11 million in funding for four major projects focused on quantum information science. These studies aim to develop new computing and sensing technologies, including the creation and manipulation of quantum bits and the study of quantum entanglement.
Stevens Institute of Technology has received $750,000 NSF RAISE-EQuIP grant funding to advance quantum communication research. Physicists Yuping Huang and Stefan Strauf will develop scalable integrated chip technology to create entangled photons for secure information networks.
Researchers have created a new method for measuring the state of qubits, a crucial step towards building powerful quantum computers. This breakthrough could lead to significant advancements in fields like pharmaceutical development and cryptography.
Researchers at the University of São Paulo's Physics Institute have successfully entangled six light waves using an optical parametric oscillator. This achievement could lead to faster processing speeds and improve the feasibility of quantum computing by enabling the creation of systems with multiple entangled components.
Researchers used light from distant quasars to determine measurements on pairs of entangled photons, finding correlations that exceeded Bell's original limit for a classically based mechanism. This strengthens the case for quantum entanglement and restricts options for the freedom-of-choice loophole.
A team of Russian and German researchers created a system that can measure temperatures and magnetic fields at very small resolutions. By exploiting properties of quantum spin in crystal vacancies, they attained micron-level resolution in temperature measurement.
Researchers at Yokohama National University have demonstrated fault-tolerant universal holonomic quantum gates, paving the way for fast and reliable quantum computing. The team achieved this breakthrough by manipulating a geometric spin qubit in an NV center, enabling precise control over long-lived quantum memories.
A new quantum secret-sharing scheme prevents eavesdropping in noisy environments, improving the fidelity of encrypted messages. The scheme exploits the properties of entangled particles to enhance secret transmission.
A University of Oklahoma physics professor is using a National Science Foundation grant to explore the potential of spatial degree of freedom in long-distance quantum communications and imaging. The research could bring about a revolution in quantum information science by enabling large-scale quantum information transmission.
The researchers achieved a significant breakthrough in quantum computing by simulating a 64-qubit circuit using a novel partitioning scheme. This method reduces the computational complexity of quantum algorithms, enabling faster simulations and paving the way for future advancements in quantum machine learning and unsupervised learning.
Researchers at ETH Zurich have developed a method to transmit quantum states deterministically over short distances, paving the way for more efficient and secure quantum computing and cryptography. The transmission rate reaches 80% fidelity, enabling entanglement creation between qubits up to 50,000 times per second.
Researchers at QuTech in Delft successfully generated quantum entanglement between two quantum chips faster than it's lost, enabling the creation of a future quantum internet. The breakthrough allows for the connection of multiple quantum nodes and the establishment of the world's first quantum network.
A team of researchers has found a way to couple and precisely control quantum systems using phonons, the smallest units of sound waves. This allows for the creation of a scalable quantum network, enabling new technological breakthroughs.
A new study reveals that ultracold paired particles called fermions behave even weirder than expected, flying with unique trajectories carved by spins, momenta, and energies. The researchers predict that fermions can mimic the behavior of bosons, adding new weirdness to the already established particle-wave duality.
Scientists have discovered that environmental noise can paradoxically maintain the coherence of quantum systems. Researchers at RIKEN Center for Emergent Matter Science used a three-particle system to demonstrate this phenomenon, which could help accelerate research into scaling up semiconductor quantum computers.
Researchers propose creating and analyzing new systems governed by entanglement properties directly connected to the original ones, making it easier to quantify experimentally. This innovative approach can be carried out in several experimental conditions, from atomic systems to superconducting circuits.
Scientists have created a module for quantum repeaters, enabling entanglement to be transmitted over several floors and potentially up to 20 kilometers. The breakthrough could lead to integrating quantum technologies into conventional telecommunications.
Physicists develop novel strategy to probe entanglement Hamiltonian, providing direct access to entanglement spectrum and facilitating investigation of complex many-particle systems. This approach enables concrete statements about entanglement properties, overcoming the challenges posed by classical computers.