Search results for quantum computation

Optics & Photonics Jun 21, 2024

Scientists develop innovative method to validate quantum photonics circuits performance

A team of researchers from the University of Ottawa's Nexus for Quantum Technologies Institute (NexQT), led by Dr. Francesco Di Colandrea, under the supervision of Professor Ebrahim Karimi, associate professor of physics, ...

Optics & Photonics May 17, 2024

Researchers develop world's smallest quantum light detector on a silicon chip

Researchers at the University of Bristol have made an important breakthrough in scaling quantum technology by integrating the world's tiniest quantum light detector onto a silicon chip. The paper, "A Bi-CMOS electronic photonic ...

Quantum Physics Jun 17, 2024

Squeezing Schrödinger's cat may increase quantum sensitivity

One of the most counter-intuitive aspects of quantum physics is the idea that a quantum system, unlike a physical system governed by the everyday physics of the macroscopic universe, can exist in two states at once even if ...

Optics & Photonics Jul 3, 2024

Scientists achieve first intercity quantum key distribution with deterministic single-photon source

Conventional encryption methods rely on complex mathematical algorithms and the limits of current computing power. However, with the rise of quantum computers, these methods are becoming increasingly vulnerable, necessitating ...

General Physics Jun 27, 2024

Visual explanations of machine learning models to estimate charge states in quantum dots

A group of researchers has successfully demonstrated automatic charge state recognition in quantum dot devices using machine learning techniques, representing a significant step toward automating the preparation and tuning ...

Quantum Physics Jul 8, 2024

A new approach to realize quantum mechanical squeezing

Mechanical systems are highly suitable for realizing applications such as quantum information processing, quantum sensing and bosonic quantum simulation. The effective use of these systems for these applications, however, ...

Quantum Physics Jun 22, 2024

Untangling the entangled: Quantum study shines fresh light on how neutrinos fuel supernovae

Researchers used quantum simulations to obtain new insights into the nature of neutrinos—the mysterious subatomic particles that abound throughout the universe—and their role in the deaths of massive stars.

Quantum Physics May 13, 2024

Researchers create complex quantum graph states with photons

The entanglement of quantum systems is the foundation of all quantum information technologies. Complex forms of entanglement between several quantum bits are particularly interesting.

Nanophysics Jul 5, 2024

Novel 2D device for quantum cooling converts heat to voltage at ultra-low temperatures

EPFL engineers have created a device that can efficiently convert heat into electrical voltage at temperatures lower than that of outer space. The innovation could help overcome a significant obstacle to the advancement of ...

Condensed Matter Jun 6, 2024

Calcium oxide's quantum secret: Nearly noiseless qubits

Calcium oxide is a cheap, chalky chemical compound commonly used in the manufacturing of cement, plaster, paper, and steel. But the material may soon have a more high-tech application.

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