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Optics & Photonics Jul 28, 2026

Scientists demonstrate transition between strong and weak coupling regimes in a polariton microcavity

Researchers from Skoltech, together with colleagues from the N.D. Zelinsky Institute of Organic Chemistry and Westlake University, have experimentally demonstrated how the operating regime of a polariton laser changes with ...

Astronomy Jul 27, 2026

How NASA plans to build the Habitable Worlds Observatory

We've been covering the journey of the Habitable Worlds Observatory for some time now. Over the past few years, it's gone from a proposal to a relatively fleshed-out plan for how and what the next Great Observatory should ...

Optics & Photonics Jul 27, 2026

Simple semiconductor films break light's front-back symmetry

Light typically interacts with a material the same way whether it enters through the front or the back—like polarized sunglasses that work the same from either side. Cornell researchers have demonstrated a simple route to ...

Condensed Matter Jul 27, 2026

Highly tunable electro-optic isolator achieves one-way light flow on photonic chips

Integrated photonic devices—tiny circuits that use light instead of electrons—are becoming increasingly important for scalable photonics technologies and high-bandwidth communications. They are particularly valuable for managing ...

Condensed Matter Jul 27, 2026

Physicists capture first direct evidence of a Floquet topological state

A new study published in Nature Physics reports the first direct experimental evidence of a Floquet topological state, a novel light-induced phase of matter that, until now, has existed only on paper and in simulations. Topological ...

General Physics Jul 26, 2026

A quantum heat engine that simultaneously provides work and refrigeration

The laws of thermodynamics state that heat naturally flows from hotter systems or regions to colder systems or regions until a state of thermal equilibrium is reached. This simple principle underpins the operation of numerous ...

Nanophysics Jul 24, 2026

Quantum dots reveal hidden light waves on metal surfaces

Photographs can reveal things that are otherwise impossible for the naked eye to see, be they distant galaxies or microscopic cells. Researchers at Osaka Metropolitan University have developed a practical and versatile imaging ...

Nanophysics Jul 24, 2026

Algorithms create foundry-ready photonic circuits

Photonic microchips can process data at extremely high speeds and are embedded in a wide variety of today's technologies. Researchers at the Max Planck Institute for the Science of Light (MPL) and Harvard University have ...

General Physics Jul 24, 2026

Oxygen collisions at the LHC show new indications of extreme state of matter

All four main LHC experiments have found new signs that oxygen and neon collisions may create the extreme state of matter that existed during the first microseconds after the Big Bang.

Condensed Matter Jul 23, 2026

Engineers observe quantum heat waves at room temperature

Efficient heat management in solids is key to advancing the next generation of electronics. However, wave-like heat movement—known as phonon focusing—had been observed only at extremely low, or cryogenic, temperatures, limiting ...

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