Search results for single-qubit

Quantum Physics Mar 25, 2022

Researchers develop quantum gate enabling investigation of optimization problems

The development of quantum computers is being pursued worldwide, and there are various concepts of how computing using the properties of the quantum world can be implemented. Many of these have already advanced experimentally ...

Quantum Physics Mar 22, 2022

Researchers store a quantum bit for a record-breaking 20 milliseconds

Computers, smartphones, GPS: quantum physics has enabled many technological advances. It is now opening up new fields of research in cryptography (the art of coding messages) with the aim of developing ultra-secure telecommunications ...

Quantum Physics Mar 7, 2022

Constructor-based irreversibility: Reconciling irreversibility with quantum mechanics

A team of INRiM researchers, in collaboration with Oxford University, demonstrated in the study "Emergence of Constructor-Based Irreversibility in Quantum Systems: Theory and Experiment," published in Physical Review Letters, ...

Optics & Photonics Mar 4, 2022

Giant leap toward quantum internet realized with Bell state analyzer

Scientists' increasing mastery of quantum mechanics is heralding a new age of innovation. Technologies that harness the power of nature's most minute scale show enormous potential across the scientific spectrum, from computers ...

Quantum Physics Mar 2, 2022

Using two different elements creates new possibilities in hybrid atomic quantum computers

Qubits, the building blocks of quantum computers, can be made from many different technologies. One way to make a qubit is to trap a single neutral atom in place using a focused laser, a technique that won the Nobel Prize ...

Quantum Physics Feb 16, 2022

Chaining atoms together yields quantum storage

Engineers at Caltech have developed an approach for quantum storage that could help pave the way for the development of large-scale optical quantum networks.

Quantum Physics Feb 14, 2022

Quantum errors made more tolerable

ETH physicists have modified one of the major schemes for quantum error correction and put it into practice, demonstrating that they can substantially prolong the lifetime of quantum states—a crucial ingredient for future ...

Optics & Photonics Feb 9, 2022

Detecting low-energy microwave photons emitted by superconducting qubits

Professor Jukka Pekola and Doctoral Candidate Bayan Karimi from Aalto University propose a new approach to measure the energy of single microwave photons. These low energy quanta are emitted by artificial quantum systems ...

Quantum Physics Feb 2, 2022

Researchers set record by preserving quantum states for more than 5 seconds

Quantum science holds promise for many technological applications, such as building hackerproof communication networks or quantum computers that could accelerate new drug discovery. These applications require a quantum version ...

Optics & Photonics Jan 28, 2022

Precision machining produces tiny, light-guiding cubes for advancing info tech

Drilling with the beam of an electron microscope, scientists at the Department of Energy's Oak Ridge National Laboratory precisely machined tiny electrically conductive cubes that can interact with light and organized them ...

page 25 from 40