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Optics & Photonics Jul 6, 2022

Frequency-domain STED microscopy for selective background noise suppression

Nanoscopy describes the ability to see beyond the generally accepted optical limit of 200–300 nm. Stimulated emission depletion (STED) microscopy, developed by Stefan W. Hell and Jan Wichmann in 1994, and experimentally ...

Optics & Photonics Jun 30, 2022

Photonic synapses with low power consumption and high sensitivity

Neuromorphic photonics/electronics is the future of ultralow energy intelligent computing and artificial intelligence (AI). In recent years, inspired by the human brain, artificial neuromorphic devices have attracted extensive ...

Optics & Photonics Jun 16, 2022

Photonic integrated erbium doped amplifiers reach commercial performance

Erbium-doped fiber amplifiers (EDFAs) are devices that can provide gain to the optical signal power in optical fibers. They are often used in long-distance communication fiber optic cables and fiber-based lasers. Invented ...

Optics & Photonics Jun 15, 2022

World's first ultra-fast photonic computing processor using polarization

In a paper published today in Science Advances, researchers at the University of Oxford have developed a method using the polarization of light to maximize information storage density and computing performance using nanowires.

Optics & Photonics Jun 8, 2022

Introducing the largest quantum photonic processor to date

Quantum computers promise to propel computing far beyond what today's computers are capable of, but this potential has yet to be realized. In their search for a way to demonstrate quantum supremacy, researchers working in ...

Optics & Photonics Jun 6, 2022

Breakthrough paves way for photonic sensing at the ultimate quantum limit

A Bristol-led team of physicists has found a way to operate mass manufacturable photonic sensors at the quantum limit. This breakthrough paves the way for practical applications such as monitoring greenhouse gases and cancer ...

Analytical Chemistry Jun 3, 2022

A novel path for sustainable photon upconversion with non-precious metals

Sustainable chemical applications need to be able to employ renewable energy sources, renewable raw materials, and earth-abundant elements. However, to date many techniques have only been possible with the use of expensive ...

Optics & Photonics Jun 1, 2022

Topologically tuned terahertz on a nonlinear photonic chip

Compact terahertz functional devices are highly useful for high-speed wireless communication, biochemical sensing and non-destructive inspection. However, controlled terahertz generation, alongside transport and detection ...

Optics & Photonics May 31, 2022

Configurable topological beam splitting via antichiral gyromagnetic photonic crystal

Topological insulators, whose bulky states are prohibited while surface/edge states are conductive and topologically protected. Recent advances in topologically protected edge states have drawn growing attention in the optics ...

Materials Science May 18, 2022

Researchers create photonic materials for powerful, efficient light-based computing

University of Central Florida researchers are developing new photonic materials that could one day help enable low power, ultra-fast, light-based computing.

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