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Category: electronics – Page 2

Sensing single ballistic electrons: High-speed method tracks fleeting quantum events

Researchers at NPL have reported a novel high-speed charge sensing method for ballistic electrons, a potentially useful technique in the fields of electron quantum optics, quantum electrical metrology, flying qubit technology, and signal sensing.

The study, published in Physical Review Letters, reveals that the presence of a single ballistic electron can be revealed by tracking the path of another fast-moving “sensing” electron. By steering the paths of these electrons close to each other, the tiny repulsion between them can redirect the sensing electron, like a train switching tracks or cars diverting off a freeway.

When charge sensors are used in quantum devices, they are measured continuously, with each sample long enough to resolve a signal from the noise. The NPL sensing system leverages synchronization between the detector and sensing electrons to achieve extreme time selectivity, only sampling within a minuscule time window and detecting interactions that occur in just 1–2 picoseconds.

FLEX instrument meets its satellite

The development of ESA’s Earth Explorer FLEX mission has recently passed a significant milestone: the mission’s all-important, single instrument has been joined to its satellite platform.

This delicate operation was carried out by spacecraft engineers at Thales Alenia Space in Cannes, France, following the delivery of the instrument from Leonardo in Florence, Italy.

FLEX’s fluorescence imaging spectrometer is called FLORIS for short and designed to map vegetation fluorescence around the globe and quantify photosynthetic activity and plant stress.

A new crystal that ‘breathes’ oxygen expands possibilities for clean energy and electronics

A team of scientists from Korea and Japan has discovered a new type of crystal that can “breathe”—releasing and absorbing oxygen repeatedly at relatively low temperatures. This unique ability could transform the way we develop clean energy technologies, including fuel cells, energy-saving windows, and smart thermal devices.

Ionic-electronic photodetector brings in-sensor vision closer to reality

In an advance at the intersection of neuromorphic engineering and photonics, researchers have developed an ionic-electronic photodetector that not only detects light but also performs in-sensor image processing, offering the potential to surpass some limitations of human vision—including color vision deficiencies.

“We Are Actually Very Close to This Science Fiction”: Meta-Optical Tech May Soon Enable ‘Projection-Glasses,’ Novel Cameras, and More

Australia’s ARC Centre of Excellence for Transformative Meta-Optical Systems is working to overcome the limitations of optical technologies.

Columbia Engineers Develop Radiation-Hardened Chips for the Large Hadron Collider

In one of the most extreme environments on Earth—the Large Hadron Collider—normal electronics fail almost instantly. But engineers at Columbia University have created custom microchips that not only survive the collider’s intense radiation but play a pivotal role in unlocking the secrets of the univ

RGB multiplexer based on lithium niobate enables faster, more efficient light modulation for laser beam scanning

As technology advances, photonic systems are gaining ground over traditional electronics, using light to transmit and process information more efficiently. One such optical system is laser beam scanning (LBS), where laser beams are rapidly steered to scan, sense, or display information.

This technology is used in applications ranging from barcode scanners at grocery stores to laser projectors in light shows. To process a wider range of signals or enable full-color output, these systems utilize multiplexers that merge the red, green, and blue (RGB) laser beams into a single beam.

Traditionally, this was achieved by directly modulating each laser, turning them on and off to control the output. However, this approach is relatively slow and energy intensive. A recent study by researchers at the TDK Corporation (Japan) reports the development of a faster and more energy-efficient RGB multiplexer based on thin-film (TFLN).

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