UCL researchers have developed a groundbreaking technique using arsenic atoms in silicon that achieves a 97% success rate for single-atom placement (compared to phosphorus’s 70%), potentially solving quantum computing’s twin challenges of error rates and scalability through scanning tunneling microscopy hydrogen resist lithography.
A groundbreaking theory bridges quantum mechanics and general relativity by treating the spacetime metric as a quantum operator and introducing an entropy-based gravitational action that yields modified Einstein equations with an emergent cosmological constant, potentially explaining cosmic expansion and dark matter through a novel auxiliary “G-field.”
Harvard scientists have developed a groundbreaking photon router that creates an optical interface between light signals and superconducting microwave qubits, potentially solving a major quantum computing challenge by enabling different quantum systems to communicate efficiently without bulky wires, thus bringing distributed, fiber-optic-based quantum computers closer to reality.
Researchers have achieved a major quantum computing breakthrough by using a 56-qubit quantum computer to generate certifiably random numbers verified by classical supercomputers, marking a shift from theoretical quantum advantage to practical application with significant implications for cryptography, security, and fairness.
Princeton physicists accidentally discovered and directly visualized Hofstadter’s butterfly—a theoretical fractal pattern of electron energy levels predicted in 1976—using scanning tunneling microscopy on twisted bilayer graphene, revealing not only the long-sought fractal energy spectrum but also new quantum phenomena driven by electron interactions beyond Hofstadter’s original calculations.
A finite length ferromagnetic chain with opposite spin polarization imposed at its two ends is one of the simplest frustrated spin models. In the clean classical limit the domain wall inserted on account of the […]
Researchers studied the unique spectral structure of laser noise and introduced a metric that determines when a stabilised laser source has been optimised for quantum control of atomic qubits. Technical noise present in laser systems […]
Researchers propose a quantum router architecture comprising many quantum memories connected in a photonic switchboard to broker entanglement flows across quantum networks.
QuTech, Eurofiber and Juniper Networks have launched a Quantum testbed connecting several datacenter locations in The Netherlands.
To build novel quantum devices, researchers need to be able to control individual photons of light: Engineers propose doing so with a time lens. Like a magnifying glass zooming in on a spatial feature, this […]
Physicists at the University of Basel, Switzerland, have now developed a network node for quantum communication networks that can store single photons in a vapor cell and pass them on later. In quantum communication networks, […]
A team of quantum computer physicists at UNSW Sydney has engineered a quantum processor at the atomic scale to simulate the behavior of a small organic molecule, solving a challenge set some 60 years ago […]
Scientists at the University of Exeter and the University of Sheffield have made a pivotal new breakthrough in the quest to control light to evolve the next generation of quantum sensing and computing. They have […]
Researchers at QuTech have demonstrated a key technology for linking quantum nodes over existing telecom fiber, by realizing quantum interference of photons emitted by quantum devices at telecom wavelengths. The technique also allows for compensating […]
A new review investigates the search of Majorana fermions in iron-based superconductors. The elusive Majorana fermion, or ‘angel particle‘ simultaneously behaves like a particle and an antiparticle — and surprisingly remains stable rather than being […]
Researchers at Paderborn University have developed a new technology for manipulating light that can be used as a basis for future optical quantum computers. New optical elements for manipulating light will allow for more advanced […]
Researchers at MIT developed a method to enable quantum sensors to detect any arbitrary frequency, with no loss of their ability to measure nanometer-scale features. Quantum sensors detect the most minute variations in magnetic or […]
Scientists at EPFL, Switzerland, have built a compact waveguide amplifier by successfully incorporating rare-earth ions into integrated photonic circuits. The device produces record output power compared to commercial fiber amplifiers, a first in the development […]
Researchers at University of Tsukuba measured tiny magnetic fields with unprecedented speed. By monitoring spins at Nitrogen-Vacancy (NV) centers along using ultrafast spectroscopy. They hence demonstrated how ultrafast spectroscopy can be used to improve the […]
A team of researchers has proposed a deterministic hybrid protection scheme utilizing strong but feasible interactions with two-level ancillas immune to spontaneous emission. They have verified the robustness of the scheme against the dephasing of qubit ancilla.
P-computers are powered by probabilistic bits (p-bits), which interact with other p-bits in the same system. Unlike the bits in classical computers, which are in a 0 or a 1 state, or qubits, which can […]
A team of physicists at University of Colorado and NIST demonstrated that it could read out the signals from a type of qubit called a superconducting qubit using laser light, and without destroying the qubit […]
Deep-diving guide explains the basics, surveys major quantum algorithms and steps through implementing them on available quantum computers.
A team of researchers including Google Quantum AI has developed a theory suggesting that quantum computers should be exponentially faster on some learning tasks than classical machines. The scientists tested their work on Google’s Sycamore […]
Researchers at Duke University and the University of Maryland have used the frequency of measurements on a quantum computer to get a glimpse into the quantum phenomena of phase changes. By measuring the number of […]
ORCA Computing is working with the UK Ministry of Defence (MoD) to develop future data processing capabilities. In a year-long programme of activity, MoD will use ORCA’s PT-1 model, the first computer of its kind […]
Researchers working in the EU-funded PHOQUSING project are developing a hybrid computational system based on cutting-edge integrated photonics that combines classical and quantum processes. Project partner QuiX Quantum in the Netherlands has created the largest […]
Dr Anna Kowalczyk, Assistant Professor at the University of Birmingham’s Centre for Human Brain Health, is one of 15 researchers awarded funding from the Engineering and Physical Sciences Research Council (EPSRC) to tackle key quantum […]
To overcome the limitations of current quantum computers, researchers at Pacific Northwest National Laboratory (PNNL) are developing simulations that provide a glimpse into how quantum computers work.
Covestro, one of the world’s leading polymer companies, and QC Ware have announced the signing of a five-year collaboration agreement. The objective of the collaboration is to help prepare Covestro to fully deploy quantum algorithms for the discovery of new materials […]