Search results for quantum computation

Quantum Physics Jun 25, 2024

Foregoing quantum chaos to achieve high-fidelity quantum state transfer

An international team of scientists from China and the U.S. has developed a scalable protocol for high-fidelity quantum state transfer (QST) in a 36-qubit superconducting quantum circuit.

Quantum Physics Jun 26, 2024

Understanding quantum states: New research shows importance of precise topography in solid neon qubits

Quantum computers have the potential to be revolutionary tools for their ability to perform calculations that would take classical computers many years to resolve.

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, ...

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 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 Jun 14, 2024

Physicists confirm quantum entanglement persists between top quarks, the heaviest known fundamental particles

An experiment by a group of physicists led by University of Rochester physics professor Regina Demina has produced a significant result related to quantum entanglement—an effect that Albert Einstein called "spooky action ...

Optics & Photonics Jul 2, 2024

Scientists crack new method for high-capacity, secure quantum communication

Scientists have made a significant breakthrough in creating a new method for transmitting quantum information using particles of light called qudits. These qudits promise a future quantum internet that is both secure and ...

Nanophysics Jun 12, 2024

New method integrates quantum dots with metasurfaces for enhanced luminescence

A study published in Nano Letters demonstrates the use of quantum dots to create metasurfaces, enabling two objects to exist in the same space.

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