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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, ...

Optics & Photonics Jul 9, 2024

Photons from quantum dot emitters violate Bell inequality in new study

A new study in Nature Âé¶¹ÒùÔºics demonstrates a novel method for generating quantum entanglement using a quantum dot, which violates the Bell inequality. This method uses ultra-low power levels and could pave the way for scalable ...

Optics & Photonics Jul 8, 2024

New shapes of photons open doors to advanced optical technologies

Researchers from the University of Twente in the Netherlands have gained important insights into photons, the elementary particles that make up light. They 'behave' in an amazingly greater variety than electrons surrounding ...

Space Exploration Jul 4, 2024

A concentrated beam of particles and photons could push us to Proxima Centauri

Getting to Proxima Centauri b will take a lot of new technologies, but there are increasingly exciting reasons to do so. Both public and private efforts have started seriously looking at ways to make it happen, but so far, ...

Optics & Photonics Jul 3, 2024

Scientists achieve first intercity quantum key distribution with deterministic single-photon source

Conventional encryption methods rely on complex mathematical algorithms and the limits of current computing power. However, with the rise of quantum computers, these methods are becoming increasingly vulnerable, necessitating ...

Astronomy Jun 24, 2024

Revived technology used to count individual photons from distant galaxies

Using an instrument on the 4.1-meter Southern Astrophysical Research Telescope, researchers have obtained the first astronomical spectrum using skipper charge-coupled devices (CCDs).

Optics & Photonics Jun 21, 2024

Scientists develop innovative method to validate quantum photonics circuits performance

A team of researchers from the University of Ottawa's Nexus for Quantum Technologies Institute (NexQT), led by Dr. Francesco Di Colandrea, under the supervision of Professor Ebrahim Karimi, associate professor of physics, ...

Optics & Photonics Jun 20, 2024

New photonic chip spawns nested topological frequency comb

Scientists on the hunt for compact and robust sources of multicolored laser light have generated the first topological frequency comb. Their result, which relies on a small silicon nitride chip patterned with hundreds of ...

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