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Quantum Physics May 13, 2024

Researchers create complex quantum graph states with photons

The entanglement of quantum systems is the foundation of all quantum information technologies. Complex forms of entanglement between several quantum bits are particularly interesting.

Optics & Photonics May 10, 2024

Information-entropy enabled identifying topological photonic phase in real space

Researchers led by Prof. Xiaoyong Hu at Peking University, China, are interested in topological photonics. They have proposed an interdisciplinary approach to study the topological systems through information entropy (IE) ...

Optics & Photonics May 10, 2024

Visual observation of photonic Floquet–Bloch oscillations

Recently, the exploration of Bloch oscillations (BOs) in periodically driven quantum systems, equivalent to "Floquet systems," has drawn tremendous attention because their exotic characteristics are profoundly distinct from ...

Quantum Physics May 2, 2024

Twisting and binding matter waves with photons in a cavity

Precisely measuring the energy states of individual atoms has been a historical challenge for physicists due to atomic recoil. When an atom interacts with a photon, the atom "recoils" in the opposite direction, making it ...

Quantum Physics May 1, 2024

Generating graph states of atomic ensembles via photon-mediated entanglement

Graph states, a class of entangled quantum states that can be represented by graphs, have been the topic of numerous recent physics studies, due to their intriguing properties. These unique properties could make them particularly ...

Optics & Photonics Apr 19, 2024

Compact quantum light processing: New findings lead to advances in optical quantum computing

An international collaboration of researchers, led by Philip Walther at University of Vienna, have achieved a significant breakthrough in quantum technology, with the successful demonstration of quantum interference among ...

Optics & Photonics Apr 8, 2024

Microprinting millions of microparticles in the blink of an eye through multi-photon 3D laser printing

Multi-photon 3D laser printing has revolutionized miniature fabrication, but limitations in speed and material compatibility have held it back. Now, researchers have taken a giant leap forward, achieving a tenfold increase ...

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 ...

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 ...

Optics & Photonics Mar 28, 2024

Advancing quantum networks: Study achieves largest photon emission enhancement for single T center to date

Rice University engineers have demonstrated a way to control the optical properties of atomic imperfections in silicon material known as T centers, paving the way toward leveraging these point defects for building quantum ...

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