
Can cloud-based quantum computing really offer a quantum advantage?
4 days ago
A quantum machine can drastically speed up certain kinds of computation, but only if two or more quantum bits in the machine are entangled—that is, capable of displaying related behavior despite being separated.

Researchers advance topological superconductors for quantum computing
6 days ago
Quantum computers process information using quantum bits, or qubits, based on fragile, short-lived quantum mechanical states. To make qubits robust and tailor them for applications, researchers from the Department of Energy's Oak Ridge National Laboratory sought to create a new material system.

Stanford’s upgraded X-ray laser is up and running
8 days ago
One of the keys to the accelerator’s powerful upgrade is its cooling abilities. The new accelerator will work in parallel with the existing copper one. “DOE user facilities such as LCLS are provided at no cost to the users — we select on the basis of the most important and impactful science.

A scalable and user-friendly platform for physicists to carry out advanced quantum experiments, cheaply
13 days ago
Quantum computers can solve certain computational problems much faster than ordinary computers by using specific quantum properties. The basic building blocks of such machines are called quantum-bits or qubits.

Electric Cooling Could Shrink Quantum Computers
14 days ago
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Physicists create powerful magnets to de-freeze quantum computing
15 days ago
Quantum computing has the potential to revolutionize the world, allowing massive health and science computation problems to be solved exponentially faster than by classic computing. But quantum computers have a big drawback—they can only operate in subzero temperatures.

Researchers make a significant step towards reliably processing quantum information
15 days ago
Using laser light, researchers have developed the most robust method currently known to control individual qubits made of the chemical element barium. The ability to reliably control a qubit is an important achievement for realizing future functional quantum computers.

A physics-based Ising solver based on standard CMOS technology
15 days ago
Quantum computers, systems that perform computations by exploiting quantum mechanics phenomena, could help to efficiently tackle several complex tasks, including so-called combinatorial optimization problems.

Machine learning contributes to better quantum error correction
19 days ago
Researchers from the RIKEN Center for Quantum Computing have used machine learning to perform error correction for quantum computers—a crucial step for making these devices practical—using an autonomous correction system that despite being approximate, can efficiently determine how best to make the necessary corrections.

Researchers develop a protocol to extend the life of quantum coherence
19 days ago
For years, researchers have tried various ways to coax quantum bits—or qubits, the basic building blocks of quantum computers—to remain in their quantum state for ever-longer times, a key step in creating devices like quantum sensors, gyroscopes, and memories.

Study proves the difficulty of simulating random quantum circuits for classical computers
21 days ago
Quantum computers, technologies that perform computations leveraging quantum mechanical phenomena, could eventually outperform classical computers on many complex computational and optimization problems.

Baidu CEO’s remarks put LLMs in focus as US-China trade war escalates
22 days ago
Baidu CEO Robin Li on Tuesday said Chinese institutions and technology companies have released over 70 large language models (LLMs) with over one billion parameters, further escalating the ongoing US-China trade war that has seen both the nations vie for supremacy in technology prowess, including chipmaking, quantum computing, and AI.

Why haven't we got useful quantum computers yet?
22 days ago
Four years after Google first demonstrated the supremacy of quantum computers over ordinary ones, why aren't these exotic machines being used for practical problems?

Cryogenic on-wafer prober determines quality of qubit devices for quantum computing and quantum sensing
a month ago
Germany's first cryogenic measuring setup for statistical quality measurement of qubit devices on whole 200- and 300-mm wafers has started operation at Fraunhofer IAF. The on-wafer prober can characterize devices based on semiconductor quantum dots and quantum wells as well as superconductors at measurement temperatures below 2 K.

PhotonVentures raises €60M fund to boost photonics startups in Europe
a month ago
It will prioritise Series A rounds, while investments will vary between €1mn and €2.5mn. The deep tech VC expects to raise an additional €40-90mn by the start of 2024. Joachim de Sterke, General Partner…This story continues at The Next Web.

A simpler way to connect quantum computers
a month ago
Researchers have a new way to connect quantum devices over long distances, a necessary step toward allowing the technology to play a role in future communications systems.

Optimizing molecular photoswitches for solar energy harvesting
a month ago
Molecular photoswitches that can both convert and store energy could be used to make solar energy harvesting more efficient. A team of researchers has used a quantum computing method to find a particularly efficient molecular structure for this purpose.

Could the Universe be a giant quantum computer?
a month ago
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A new protocol to reliably demonstrate quantum computational advantage
a month ago
Quantum computers, devices that perform computations by exploiting quantum mechanical phenomena, have the potential to outperform classical computers on some tasks and optimization problems. In recent years, research teams at both academic institutions and IT companies have been trying to realize this predicted better performance for specific problems, which is broadly known as "quantum advantage.".

IBM makes major leap in quantum computing error-detection
a month ago
Quantum computing is on the verge of catapulting the digital revolution to new heights.

Physicists develop series of quality control tests for quantum computers
a month ago
Quantum technologies—and quantum computers in particular—have the potential to shape the development of technology in the future. Scientists believe that quantum computers will help them solve problems that even the fastest supercomputers are unable to handle yet.