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Optics & Photonics Sep 7, 2023

Unlocking quantum potential: Harnessing high-dimensional quantum states with QDs and OAM

Quantum technology's future rests on the exploitation of fascinating quantum mechanics concepts—such as high-dimensional quantum states. Think of these states as basic ingredients of quantum information science and quantum ...

Optics & Photonics Sep 6, 2023

Scientists demonstrate new, improved way to make infrared light, with quantum dots

Scientists with the University of Chicago have demonstrated a way to create infrared light using colloidal quantum dots. The researchers said the method demonstrates great promise; the dots are already as efficient as existing ...

Nanophysics Sep 5, 2023

Fabricating atomically-precise quantum antidots via vacancy self-assembly

National University of Singapore (NUS) scientists demonstrated a conceptual breakthrough by fabricating atomically precise quantum antidots (QAD) using self-assembled single vacancies (SVs) in a two-dimensional (2D) transition ...

Optics & Photonics Sep 2, 2023

New scalable, etching-based technique for precise tuning of microdisk lasers

Micro- and nanodisk lasers have recently emerged as promising optical sources and probes for various applications in the fields of nanophotonics and biomedicine. Their ability to achieve lasing at a deterministic wavelength ...

Condensed Matter Aug 31, 2023

Cryogenic on-wafer prober determines quality of qubit devices for quantum computing and quantum sensing

Germany's first cryogenic measuring setup for statistical quality measurement of qubit devices on whole 200- and 300-mm wafers has started operation at Fraunhofer IAF. The on-wafer prober can characterize devices based on ...

Soft Matter Aug 29, 2023

Does hot water freeze faster than cold water? Examining the Mpemba effect

Does hot water freeze faster than cold water? Aristotle may have been the first to tackle this question that later became known as the Mpemba effect.

Quantum Âé¶¹ÒùÔºics Aug 28, 2023

Chessboard-like method enables the operation of largest gate-defined quantum dot system

Researchers from Delft established a way to address many quantum dots with only a few control lines using a chessboard-like method. This enabled the operation of the largest gate-defined quantum dot system ever. Their result ...

Superconductivity Aug 17, 2023

Study discovers pairing of electrons in artificial atoms, a quantum state predicted more than 50 years ago

Researchers from the Department of Âé¶¹ÒùÔºics at Universität Hamburg, observed a quantum state that was theoretically predicted more than 50 years ago by Japanese theoreticians but so far eluded detection. By tailoring an artificial ...

Nanophysics Aug 11, 2023

Arrays of quantum rods could enhance TVs or virtual reality devices, research suggests

Flat screen TVs that incorporate quantum dots are now commercially available, but it has been more difficult to create arrays of their elongated cousins, quantum rods, for commercial devices. Quantum rods can control both ...

Nanophysics Aug 9, 2023

Research team reveals why water moisture affects quantum crystals

The team, led by Professor Jiwoong Yang from the Department of Energy Engineering at DGIST, and in collaboration with the team led by Professor Jungwon Park from the School of Chemical and Biological Engineering at Seoul ...

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