Âé¶¹ÒùÔº

Search results for photonic

Optics & Photonics Sep 4, 2024

Long-range-interacting topological photonic lattices breaking channel-bandwidth limit

Topological physics, which focuses on physical quantities that remain invariant under deformations, has garnered widespread interest in different areas of physics—photonics, quantum computing, solid-state physics, acoustics, ...

Optics & Photonics Sep 2, 2024

A device to sort photon states could be useful for quantum optical computer circuits

To build light-based quantum technologies, scientists and engineers need the ability to generate and manipulate photons as individuals or a few at a time. To build such quantum photonic logic gates that might be used in an ...

Optics & Photonics Aug 27, 2024

Scientists create ultracompact polarization-entangled photon sources for miniaturized quantum devices

Scientists have created an ultra-thin light source that emits pairs of polarization-entangled photons. These specially correlated photons hold promise for future quantum technologies, including ultra-secure communication, ...

Condensed Matter Aug 19, 2024

Ultrathin quantum light sources: Scientists show excitonic interactions boost efficiency of entangled photon generation

Scientists from the National University of Singapore (NUS) have shown that excitonic resonances and transitions between excitons can significantly increase the efficiency of generating entangled photon pairs. This could lead ...

Optics & Photonics Aug 15, 2024

Enhanced two-photon microscopy method could reveal insights into neural dynamics and neurological diseases

Researchers have developed a new two-photon fluorescence microscope that captures high-speed images of neural activity at cellular resolution. By imaging much faster and with less harm to brain tissue than traditional two-photon ...

Optics & Photonics Aug 14, 2024

New insights into neural circuit imaging: A comparison of one-photon and two-photon techniques

In the quest to unravel the complexities of neural circuits, scientists are beginning to use genetically encoded voltage indicators (GEVIs) to visualize electrical activity in the brain. These indicators are crucial for understanding ...

Optics & Photonics Aug 12, 2024

Chip that entangles four photons opens up possibility of inviolable quantum encryption

Unlike classical encryption, which relies on mathematical algorithms, quantum encryption assures security based on physical principles. Detection of espionage or interference is guaranteed by unavoidable alteration of the ...

Optics & Photonics Jul 23, 2024

Combining trapped atoms and photonics for new quantum devices

Quantum information systems offer faster, more powerful computing methods than standard computers to help solve many of the world's toughest problems. Yet fulfilling this ultimate promise will require bigger and more interconnected ...

General Âé¶¹ÒùÔºics Jul 17, 2024

First observation of the nuclear two-photon decay in bare atomic nuclei

For the first time, an international research team has succeeded in observing a two-photon decay on a so-called bare atomic nucleus from which the entire electron shell has been removed.

Optics & Photonics Jul 15, 2024

Silicon photonics light the way toward large-scale applications in quantum information

In a significant leap forward for quantum technology, researchers have achieved a milestone in harnessing the frequency dimension within integrated photonics. This breakthrough not only promises advancements in quantum computing, ...

page 27 from 40