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Nanophysics Oct 4, 2023

Quantum dots: the tiny 'rainbow' crystals behind chemistry Nobel

Quantum dots are tiny crystals that scientists can tune to different colors, giving an extra-vivid pop to next-generation TV screens or illuminating tumors inside bodies so surgeons can hunt them down.

Materials Science Oct 4, 2023

Trio wins Nobel Prize in chemistry for work on quantum dots, used in electronics and medical imaging

Three scientists won the Nobel Prize in chemistry Wednesday for their work on quantum dots—tiny particles just a few nanometers in diameter that can release very bright colored light and whose applications in everyday life ...

Superconductivity Sep 27, 2023

Progress in upscaling Si spin and superconducting-based quantum technologies

The long-term vision for quantum computing is the ability to leverage millions of noise-free qubits to address selected problems that are hard to solve with classical computers. Application fields that may benefit from this ...

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 Physics 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 ...

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