In quantum technologies, everything depends on the ability to detect the properties carried by a single photon. But in the ...

Physicists Shubhayan Sarkar, Armin Tavakoli Orthey Jr., and Remigiusz Augusiak have published a scheme in Nature Physics that can verify any quantum state or measurement without trusting the device ...

Add Yahoo as a preferred source to see more of our stories on Google. A key challenge in developing stable quantum systems is protecting quantum information from environmental disturbances. It is also ...

This diagram illustrates how the team reduces quantum circuit complexity in machine learning using three encoding methods—variational, genetic, and matrix product state algorithms. All methods ...

Add Yahoo as a preferred source to see more of our stories on Google. Quantum systems are so delicate that even observing them can lead to disturbance. The conventional techniques used for taking a ...

Quantum computers work by applying quantum operations, such as quantum gates, to delicate quantum states. Ideally, quantum computers can solve complex equations at staggeringly fast speeds that vastly ...

Researchers have developed a new protocol for benchmarking quantum gates, a critical step toward realizing the full potential of quantum computing and potentially accelerating progress toward ...

Research from Gagliardi Group offers a powerful new toolkit to understand and eventually design complex materials, including high-temperature superconductors and solar cell semiconductors. (Image: ...

Scientists have used a new method to determine the characteristics of optical, i.e. light-based, quantum states. For the first time, they are using certain photon detectors -- devices that can detect ...

Researchers have developed a new protocol for characterizing quantum gate errors, paving the way toward more reliable quantum simulations and fault-tolerant quantum computing. Researchers have ...