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Quantum Âé¶¹ÒùÔºics May 31, 2023

New scheme for qubit control in a multilevel system

A team led by Prof. Guo Guangcan from the University of Science and Technology of China (USTC) has made significant progress in the research of multilevel quantum system tunability.

Condensed Matter May 26, 2023

Forging a dream material with semiconductor quantum dots

Researchers from the RIKEN Center for Emergent Matter Science and collaborators have succeeded in creating a "superlattice" of semiconductor quantum dots that can behave like a metal, potentially imparting exciting new properties ...

Optics & Photonics May 25, 2023

Study presents a new, highly efficient converter of quantum information carriers

Light is a key carrier of information. It enables high-speed data transmission around the world via fiber-optic telecommunication networks. This information-carrying capability can be extended to transmitting quantum information ...

Optics & Photonics May 24, 2023

Progressive quantum leaps—high-speed, thin-film lithium niobate quantum processors driven by quantum emitters

Scalable photonic quantum computing architectures require photonic processing devices. Such platforms rely on low-loss, high-speed, reconfigurable circuits and near-deterministic resource state generators. In a new report ...

Nanophysics May 22, 2023

Scientists discover nonlocal effects of biexciton emission in large semiconductor nanocrystals

In a new paper published in eLight, a team of scientists led by Professors Haizheng Zhong and Yongyou Zhang from the Beijing Institute of Technology and Professor Haiyan Qin from Zhejiang University have discovered nonlocal ...

Nanophysics May 17, 2023

Using nanofaceting to manipulate quantum dots into nanocrystals

A new method of controlling the shape of tiny particles about one tenth of the width of human hair could make the technology that powers our daily lives more stable and more efficient, scientists claim.

Quantum Âé¶¹ÒùÔºics May 11, 2023

Jellybeans: A sweet solution for overcrowded circuitry in quantum computer chips

The silicon microchips of future quantum computers will be packed with millions, if not billions of qubits—the basic units of quantum information—to solve the greatest problems facing humanity. And with millions of qubits ...

Optics & Photonics May 9, 2023

Breakthrough in dynamical localization transitions and Berry curvature-induced transport

The way light moves around inside an optical microcavity provides an exciting opportunity to explore the connection between classical and quantum physics. This field of research is known as quantum chaos, and it has the potential ...

Condensed Matter May 8, 2023

Symmetric graphene quantum dots for future qubits

Quantum dots in semiconductors such as silicon or gallium arsenide have long been considered hot candidates for hosting quantum bits in future quantum processors. Scientists at Forschungszentrum Jülich and RWTH Aachen University ...

Optics & Photonics May 3, 2023

Light amplification by stimulated emission from electrically driven colloidal quantum dots finally achieved

In a result decades in the making, Los Alamos scientists have achieved light amplification with electrically driven devices based on solution-cast semiconductor nanocrystals—tiny specs of semiconductor matter made via chemical ...

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