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Targeting Labeling Conventions, Scientists Boost Live-cell Imaging Targeting Labeling Conventions, Scientists Boost Live-cell Imaging
SYDNEY, April 18, 2025 — Conventional microscopy methods can image organelles in live cells, but it is difficult for them to capture the organelles’ interactome at system level, due to the small size, fast dynamics, and diversity of organelle types. Traditional microscopy can also cause damage to the sample through phototoxicity and photobleaching. To visualize the substructures and dynamic interactions within living cells, researchers developed an imaging technology that draws on AI and deep learning to
Capasso Group Develops Quantum Cascade Integrated Chip Capasso Group Develops Quantum Cascade Integrated Chip
CAMBRIDGE, Mass., April 17, 2025 — Physicists at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have created a compact laser that emits extremely bright, short pulses of light in a useful but difficult-to-achieve wavelength range, packing the...
Continuous Flow Approach Produces High-Quality, Biocompatible QDs Continuous Flow Approach Produces High-Quality, Biocompatible QDs
LIÈGE, Belgium, April 17, 2025 — A sustainable approach to producing quantum dots (QDs), from the University of Liège (ULiège), could offer a realistic, responsible pathway to the industrial-scale production of these highly tunable semiconductor nanomaterials, which...
Optical Device Mimics Black and White Holes Optical Device Mimics Black and White Holes
SOUTHAMPTON, England, April 17, 2025 — In the realm of general relativity, black holes are well-known for their ability to trap light and matter by bending spacetime, creating a point of no return. This is in contrast to the more theoretical white hole, which is thought to be the exact...
Materials Science Breakthrough Paves the Way for Safer SWIR Lidar Materials Science Breakthrough Paves the Way for Safer SWIR Lidar
BARCELONA, Spain, April 15, 2025 — A proof-of-concept lidar system from Institut Català de Física i Óptica (ICFO) demonstrates the potential to use shortwave infrared (SWIR) colloidal quantum dots (CQDs) for automotive applications and consumer electronics. The...
Thulium Fiber Laser System Shatters Performance Record Thulium Fiber Laser System Shatters Performance Record
JENA, Germany, April 14, 2025 — Researchers at the Fraunhofer Institute for Applied Optics and Precision Engineering IOF have developed thulium fiber laser systems that almost double the previous performance world record. The system is made up of three high-power thulium fiber...
DESY Achieves Laser Plasma Acceleration Milestone DESY Achieves Laser Plasma Acceleration Milestone
HAMBURG, Germany, April 11, 2025 — Laser plasma acceleration could be a disruptive technology, providing a route to build far more compact accelerators and open new avenues in fundamental research, industry, and health. Before it reaches that potential, however, certain properties of...
‘Holograms’ Can Be Manipulated with Human Hands ‘Holograms’ Can Be Manipulated with Human Hands
PAMPLONA, Spain, April 10, 2025 — Work conducted by Universidad Pública de Navarra researchers has produced three-dimensional graphics in mid-air that can be manipulated by a user’s hands. “What we see in films and call holograms are typically volumetric...
Chip-size Amplifier Increases Data Transmission Tenfold Chip-size Amplifier Increases Data Transmission Tenfold
GOTHENBURG, Sweden, April 10, 2025 — A research team from Chalmers University of Technology has introduced a new amplifier that allows the transmission of ten times more data per second than those of current fiber optic systems. The amplifier, which fits on a small chip, holds...
Optical Receiver Deploys Micro-Antennas to Restore Chaotic Signals Optical Receiver Deploys Micro-Antennas to Restore Chaotic Signals
MILAN, April 10, 2025 — Researchers have developed an optical receiver capable of restoring chaotic signals in free-space optical communication links distorted by atmospheric turbulence. Using a system of optical antennas integrated into a programmable photonic chip, the...
Light-Activated Pacemaker Combines Optical Technologies Light-Activated Pacemaker Combines Optical Technologies
EVANSTON, Ill., April 9, 2025 — A tiny, light-activated pacemaker could make the placement and removal of temporary pacemakers safer for cardiac patients and provide a minimally invasive solution for newborns and children who require temporary pacing after cardiac surgery. The...
Photonic Crystal Sensor Measures Key Parameters Simultaneously Photonic Crystal Sensor Measures Key Parameters Simultaneously
CAMBRIDGE, Mass., April 8, 2025 — Twisted moiré photonic crystals — an advanced type of optical metamaterial — have shown enormous potential in the race to engineer smaller, more capable and more powerful optical systems. In twisted moiré photonic crystals,...
Researchers Unleash Frequency Excitations' Untapped Potential Researchers Unleash Frequency Excitations' Untapped Potential
NEW YORK, April 8, 2025 — In a conventional wave-based system, control over wave phenomena is limited by the properties of the materials used to build the system. Limitations on bandwidth, efficiency, and other performance metrics are typically resolved by using exotic...
Noninvasive Terahertz Near-Field Imaging Targets Inner Ear Disorders Noninvasive Terahertz Near-Field Imaging Targets Inner Ear Disorders
TOKYO, April 7, 2025 — Hearing impairment is generally caused by disorders within the cochlea of the inner ear. Effective treatment of hearing loss requires a clear view of the cochlea’s internal structures, which are difficult to assess noninvasively. To perform...
Graphene-Based Programmable Surfaces Control Terahertz Waves for Imaging and 6G Graphene-Based Programmable Surfaces Control Terahertz Waves for Imaging and 6G
MANCHESTER, England, April 4, 2025 — Despite its potential to enhance communications, sensing, imaging, and other technologies, the terahertz (THz) region of the spectrum remains underutilized. To realize the promise of THz and millimeter (mm) waves for next-generation applications,...
Capasso Group Produces Bilayer Metasurface Capasso Group Produces Bilayer Metasurface
CAMBRIDGE, Mass., April 3, 2025 — Almost a decade ago, Harvard engineers unveiled the world’s first visible-spectrum metasurfaces — ultra-thin, flat devices patterned with nanoscale structures that could precisely control the behavior of light. A powerful alternative to...
Photon Router Could Enable Superconducting Quantum Networks Photon Router Could Enable Superconducting Quantum Networks
CAMBRIDGE, Mass., April 3, 2025 — Applied physicists at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have created a photon router that could plug into quantum networks to create robust optical interfaces for noise-sensitive microwave quantum...
Eye-Tracking Innovation Merges the Powers of Deflectometry, AI Eye-Tracking Innovation Merges the Powers of Deflectometry, AI
TUCSON, Ariz., April 2, 2025 — Eye-tracking technology is critical in virtual and augmented reality headsets, scientific research, medical and behavioral sciences, automotive driving assistance and industrial engineering. Tracking the movements of the human eye with high...
Thermography Enhances Imaging for Tracking Vitals and Disease Indicators Thermography Enhances Imaging for Tracking Vitals and Disease Indicators
ATLANTA, March 28, 2025 — Using advanced processing techniques on raw thermal images, researchers at the Georgia Institute of Technology (Georgia Tech) accurately tracked vital signs in a subject, including the subject’s heart rate, respiration rate, and body...
Hollow-Core Fiber Steps up Control and Manipulation of Light Polarization Hollow-Core Fiber Steps up Control and Manipulation of Light Polarization
ERLANGEN, Germany, March 27, 2025 — To achieve advanced control of light polarization, researchers at the Max Planck Institute for the Science of Light (MPL) developed a hollow-core optical fiber that can selectively guide optical vortices, depending on the helicity of the vortex. The...
Chinese Academy of Sciences Reports DUV Lithography Breakthrough Chinese Academy of Sciences Reports DUV Lithography Breakthrough
BEIJING, March 25, 2025 — A compact, solid-state, nanosecond (ns) laser system capable of generating 193-nm coherent light — a wavelength crucial for the fabrication of silicon wafers — could greatly enhance the efficiency and precision of semiconductor...
Study Offers Tools to Optimize Low-Light Cameras for Bioimaging Study Offers Tools to Optimize Low-Light Cameras for Bioimaging
ADELAIDE, Australia, March 20, 2025 — Illumination is often reduced when imaging biological samples. Low-light imaging helps researchers avoid adverse effects, like photobleaching and phototoxicity, that could damage the sample. However, use of low light can affect image quality. The...
Ultrafast Microscope Images Material’s Molecular Structure and Dynamics Ultrafast Microscope Images Material’s Molecular Structure and Dynamics
BOULDER, Colo., March 20, 2025 — Perovskites, a family of organic-inorganic hybrid materials, are efficient at converting light to electricity and relatively easy to make. They absorb certain colors of the visible spectrum effectively and can be layered with other materials, such...
Dynamic Optical Material Drives Next-generation Compute Dynamic Optical Material Drives Next-generation Compute
BERKELEY, Calif., March 19, 2025 — Intrinsic optical bistability (IOB), an optical phenomenon that enables a material to use light to switch between two different states, could be the key to making smaller, faster components for next-generation computers. Researchers at Lawrence...
Control of Nanodot Emission Could Advance Quantum and Display Technologies Control of Nanodot Emission Could Advance Quantum and Display Technologies
UNIVERSITY PARK, Pa., March 18, 2025 — An international team led by Pennsylvania State University (Penn State) and Université Paris-Saclay achieved localized light emission from 2D monolayer molybdenum diselenide (MoSe2) nanodots embedded in a monolayer tungsten diselenide WSe2...

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