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Optics & Photonics Apr 3, 2024

Reimagining quantum dot single-photon sources: A breakthrough in monolithic Fabry-Perot microcavities

Self-assembled semiconductor quantum dots (QDs) represent a three-dimensional confined nanostructure with discrete energy levels, which are similar to atoms. They are capable of producing highly efficient and indistinguishable ...

Nanomaterials Apr 3, 2024

'Neutronic molecules': Study shows neutrons can bind to quantum dots

Neutrons are subatomic particles that have no electric charge, unlike protons and electrons. That means that while the electromagnetic force is responsible for most of the interactions between radiation and materials, neutrons ...

Optics & Photonics Apr 2, 2024

A single photon emitter deterministically coupled to a topological corner state

Exploring cavity quantum electrodynamics (cQED) is pivotal for advancing quantum technology and unraveling the fundamental intricacies of light-matter interactions. A prevalent strategy involves integrating a single quantum ...

Condensed Matter Apr 1, 2024

Team creates cooperative exciton-polariton condensate

Superfluorescence (SF), as a cooperative radiation effect originating from vacuum quantum fluctuations, is an ideal platform for studying many-body correlation mechanisms in an exciton ensemble, and for developing optically ...

Quantum Physics Mar 28, 2024

Quantum computing just got hotter: One degree above absolute zero

For decades, the pursuit of quantum computing has struggled with the need for extremely low temperatures, mere fractions of a degree above absolute zero (0 Kelvin or –273.15°C). That's because the quantum phenomena that ...

Molecular & Computational biology Mar 26, 2024

New research area promotes both quantum computing and cognitive science

Diving deep into quantum biology or cognitive science alone is challenging enough. That being said, a research team recently wrote a review article highlighting molecular quantum computing, a newly emerged research area that ...

Quantum Physics Mar 25, 2024

The world is one step closer to secure quantum communication on a global scale

Researchers at the University of Waterloo's Institute for Quantum Computing (IQC) have brought together two Nobel prize-winning research concepts to advance the field of quantum communication.

Nanomaterials Mar 20, 2024

Cleaning up environmental contaminants with quantum dot technology

The 2023 Nobel Prize in Chemistry was focused on quantum dots—objects so tiny, they're controlled by the strange and complex rules of quantum physics. Many quantum dots used in electronics are made from toxic substances, ...

Optics & Photonics Mar 19, 2024

A method to accurately center quantum dots within photonic chips

Devices that capture the brilliant light from millions of quantum dots, including chip-scale lasers and optical amplifiers, have made the transition from laboratory experiments to commercial products. But newer types of quantum-dot ...

Quantum Physics Mar 18, 2024

Elegant use of noise for quantum computing

Scientists around the world work hard to rinse quantum systems for noise, which may disturb the function of tomorrow's powerful quantum computers. Researchers from the Niels Bohr Institute (NBI) have found a way to use noise ...

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