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Optics & Photonics May 13, 2024

Scientists discover 'weird' statistics of electrons ejected by intense quantum light

Photon-number distributions of various light sources have been studied extensively. However, little is known about the statistical distribution of electrons emitted under the effect of intense light.

Planetary Sciences May 13, 2024

What causes the different colors of the aurora? An expert explains the electric rainbow

Last week, a huge solar flare sent a wave of energetic particles from the sun surging out through space. Over the weekend, the wave reached Earth, and people around the world enjoyed the sight of unusually vivid aurora in ...

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 13, 2024

Optical power evolution in fiber-optic networks: New framework for better modeling and control

With the emergence of internet services such as AI-generated content and virtual reality, the demand for global capacity has surged, significantly intensifying pressures on fiber-optic communication systems. To address this ...

Astronomy May 13, 2024

Anticipating future discoveries: Scientists explore nontrivial cosmic topology

In a new Physical Review Letters (PRL) study, scientists explore the possibility of nontrivial or exotic topologies in the universe for explaining some of the anomalies seen in Cosmic Microwave Background (CMB).

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

Parity-time symmetry: Unlocking faster and stronger optical signal processing

In the era of big data, signal processing faces significant challenges in terms of capacity and energy consumption due to the torrent of data to process. With over 90% of data transmitted through light, optical signal processing ...

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 ...

General Physics May 9, 2024

New phononics materials may lead to smaller, more powerful wireless devices

What if your earbuds could do everything your smartphone can do already, except better? What sounds a bit like science fiction may actually not be so far off. A new class of synthetic materials could herald the next revolution ...

Optics & Photonics May 9, 2024

Researchers demonstrate low-loss and polarization-independent integrated optical colorless ROADM

The implementation of integrated optical switches shows promise in the size reduction of ROADMs for greater flexibility and compactness, ultimately leading to robust single-chip solutions. Despite decades of research on switches ...

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