A group of scientists from the University of Chicago and Purdue University collaborated on a new technique for mitigating noise in quantum computers: Instead of directly trying to measure the noise, they instead construct a […]
MIT researchers have used ultrathin materials to build superconducting qubits that are at least one-hundredth the size of conventional designs and suffer from less interference between neighboring qubits. This advance could improve the performance of quantum computers and enable […]
Within the field of spintronics, devices based on the interaction between spin and heat flow have emerged as a potential candidate for new thermoelectric devices (devices which convert heat to electricity). “Magnons,” quanta of spin […]
Quantum researchers have dramatically reduced the time to simulate an optical quantum computer, with a speedup of around one billion over previous approaches. Quantum computers promise exponential speedups for certain problems, with potential applications in […]
Physicists at MIT have discovered a new qubit, in the form of vibrating pairs of atoms known as fermions. The new qubit appears to be extremely robust, able to maintain superposition between two vibrational states, […]
Researchers in the United Kingdom and the Netherlands decided to explore two very different quantum problems: breaking the encryption of Bitcoin and simulating the molecule responsible for biological nitrogen fixation. The team has especially described […]
Researchers at the Hong Kong University of Science and Technology (HKUST) have demonstrated a new way to control the quantum state through the loss of particle. This process is usually avoided in the quantum devices. This […]
Chinese scientists have implemented twin-field quantum key distribution (QKD) through an 833-km optical fiber, setting a new world record in the field. The system has tolerated a channel loss beyond 140 dB. Furthermore, the optimized four-phase […]
Australian researchers have proven that near error-free quantum computing is possible, paving the way to build silicon-based quantum devices compatible with current semiconductor manufacturing technology. Prof. Morello’s paper is one of three published today in Nature that […]
Researchers have designed and simulated the first topological acoustic transistors — with sound waves instead of electrons — and proposed a connection architecture to form a universal logic gate that can switch the flow of sound on and off.
For many applications making use of quantum effects, the light has to be in a certain state — namely a single photon state. But what is the best way of generating such single photon states? Researchers have now proposed an entirely new way.
A commercial battery imaging system born out of collaborative work with QT Hub researchers at the University of Sussex and CDO2 will be unveiled today at low carbon vehicle technology event, Cenex-LC
The researchers developed a multi-pixel spectrally resolved detector system that can simultaneously measure multiple parameters of optical frequency combs (mean energy, central frequency, and spectral bandwidth) in a single shot, achieving and even surpassing the standard quantum limit by utilizing quantum frequency combs with multiple squeezed states.
This research advances quantum computing by developing and mathematically proving the effectiveness of multi-exponential error extrapolation techniques, while demonstrating how to efficiently combine it with quasi-probability and symmetry verification methods to achieve superior error mitigation in NISQ devices without requiring quantum error correction’s large qubit overhead.
Equal1 Laboratories (Equal1), a silicon-based quantum computing company, has announced the company is the first to demonstrate a fully integrated Quantum Processor Unit (QPU) operating at 3.7 kelvin ― a major milestone with implications for the […]
A Lawrence Berkeley National Laboratory-led international team of researchers has discovered a way to use ion beams to create long strings of “color center” qubits in diamond. Creating large numbers of high-quality qubits, in close […]
Researchers at Tampere University Photonics Laboratory have demonstrated how two interfering photons can bunch into various shapes. These complex shapes are beneficial for quantum technologies, such as performing fast photonic quantum computations and safe data […]
Researchers at KTH Royal Institute of Technology in Sweden developed integrated chips that can generate light particles on demand and without the need for extreme refrigeration. In order for photons to deliver qubits on-demand in […]
QuTech has resolved a major issue on the road towards a working large-scale quantum computer. QuTech, together with Intel, has designed and fabricated an integrated circuit that can operate at extremely low temperatures when controlling […]
Researchers in the group of Professor Tobias J. Kippenberg at EPFL’s School of Basic Sciences have now developed a novel approach that uses light to read out superconducting circuits, thus overcoming the scaling challenges of […]
A Chinese research team from the University of Science and Technology of China (USTC) has successfully designed a 62-qubit programmable superconducting quantum processor, naming it Zu Chongzhi after the noted 5th century Chinese mathematician and astronomer. The […]
Scientists at Raytheon BBN Technologies have developed a new way to detect a single photon — a development with big applications for sensors, communications and exponentially more powerful quantum computer processors. Josephson junctions are superconducting […]
Researchers at the National Institute of Standards and Technology (NIST) have “entangled” two small mechanical drums and precisely measured their linked quantum properties. Entangled pairs like this might someday perform computations and transmit data in […]
The ability to selectively measure, initialize, and reuse qubits during a quantum circuit enables a mapping of the spatial structure of certain tensor-network states onto the dynamics of quantum circuits, thereby achieving dramatic resource savings […]
Researchers at the University of Stuttgart were able to detect qubits in two-dimensional materials for the first time. Quantum computers or quantum sensors consist of materials that are completely different to their classical predecessors. These […]