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Research & Technology News

Graphene Prevents Damage to Flexible Thin Films for Wearable Electronics
SEOUL, South Korea, Jan. 14, 2025 — In a step forward for stretchable, wearable technologies, researchers demonstrated a graphene-enabled laser lift-off (GLLO) technique that ensures smooth separation of thin film, flexible displays during the manufacturing process. The technique could accelerate development of ultrathin, high-performance devices that fit comfortably against human skin. The GLLO technique, which was developed at Seoul National University of Science and Technology (SeoulTech), takes advantage of the optical,
Electrically-Pumped GaAs-Based Nano-Ridge Lasers Fabricated at Wafer Scale
LEUVEN, Belgium, Jan. 13, 2024 — Research hub imec has demonstrated the monolithic fabrication of electrically-driven GaAs-based multi-quantum-well nano-ridge laser diodes on 300mm silicon wafers in its CMOS pilot prototyping line. Achieving room-temperature continuous-wave lasing...
Photoactivated Gel Achieves Bone Regeneration and Adhesion at Same Time
POHANG, South Korea, Jan. 13, 2025 — Effective treatment of bone defects requires innovative materials that support bone regeneration, are easy to apply, and adapt easily to the defect site. Injectable hydrogels offer a minimally invasive solution, but often lack mechanical integrity...
Metal Glass in Thin Film Structure Improves IR Thermal System
TAIPEI CITY, Taiwan, Jan. 9, 2025 — An advanced design for IR thermal technology, developed by researchers at National Taiwan University (NTU), takes advantage of the tunable optical properties of metallic glass to combine IR camouflage and IR thermal management functions in a single...
Photopyroelectric Tweezers Use Low-Intensity Light to Move Objects
SHENZHEN, China, Jan. 7, 2025 — A new photopyroelectric tweezer device (PPT), developed by a team at the Shenzhen Institutes of Advanced Technology of the Chinese Academy of Sciences, enables remote manipulation of objects made from diverse materials, with various geometries, and...
Wireless Antennas Use Light to Monitor Cellular Communication
CAMBRIDGE, Mass., Jan. 6, 2024 — Monitoring electrical signals in biological systems helps scientists understand how cells communicate, which can aid in the diagnosis and treatment of conditions like arrhythmia and Alzheimer’s. But devices that record electrical signals in...
Researchers Develop First Deep UV Micro-LED Display Chips for Maskless Photolithography
HONG KONG, Jan. 3, 2025 — Research led by the Hong Kong University of Science and Technology (HKUST) has yielded a deep-ultraviolet (UVC) micro-LED display array for lithography machines. The enhanced efficiency UVC micro-LED — the world’s first, according to the...
Laser-Based Artificial Neuron Surpasses its Analog
HONG KONG, Jan. 2, 2025 — Researchers have developed a laser-based artificial neuron that fully emulates the functions, dynamics and information processing of a biological graded neuron. With a signal processing speed of 10 GBaud — a billion times faster than its...
Scientists Develop Printable Droplet Laser Displays
TSUKUBA, Japan, Dec. 31, 2024 — Particularly regarding brightness and color reproducibility, laser displays have the potential to overcome the intrinsic limitations of conventional light-emitting devices, such as OLEDs and liquid crystals. However, to be effectively used as...
Advanced OCT System Integral to Eye Transplantation Project
Dec 30, 2024 — An adaptation of optical coherent tomography put into use at Northwestern University, visible OCT (vis-OCT), will be a key component in an ARPA-H funded project that aims to conduct successful eye transplants in the next several years. The...
Researchers Find Novel Collective Behaviors in Quantum Optics
STONY BROOK, N.Y., Dec. 27, 2024 — A research team from Stony Brook University, led by professor of physics Dominik Schneble, has uncovered a novel regime, or set of conditions within a system, for cooperative radiative phenomena, casting new light on a 70-year-old problem in quantum...
THz Light Induces Magnetism in Antiferromagnet for Data Storage
CAMBRIDGE, Mass., Dec. 27, 2024 — Using a terahertz (THz) laser, researchers at MIT initiated a long-lasting magnetic state, lasting more than 2.5 milliseconds, in an antiferromagnetic material. Typically, light-induced phases of matter return to equilibrium on ultrafast timescales...
Tiny Fiber Photoacoustic Spectrometer Enables Fast, Minimally Invasive Analysis
GUANGZHOU, China, Dec. 26, 2024 — A miniaturized, all-in-one optical fiber spectrometer from Jinan University can realize a parts-per-billion (ppb)-level detection limit for trace gas sensing, with no need for a resonant gas cell. The microscale, high-performance, all-in-one fiber...
Hybrid Material Achieves Fast, Stable Phosphorescent Emission for OLEDs
ANN ARBOR, Mich., Dec. 24, 2024 — A hybrid material made from organic chromophores and transition metal dichalcogenides (TMDs) can produce stable, fast, phosphorescent light emission for OLED displays. The new hybrid, developed by a team co-led by the University of Michigan (U-M),...
Low-Cost 3D-Printed Device Generates Vortex Beams
XI’AN, China, Dec. 24, 2024 — Researchers from Xi’an Jiaotong University have developed a 3D-printed device that generates twisting light beams with orbital angular momentum (OAM), a form of rotational energy that can carry more data than regular beams. The efficient,...
Quantum Teleportation Demonstrated Over Busy Internet Cables
EVANSTON, Ill., Dec. 23, 2024 — Researchers from Northwestern University have successfully demonstrated quantum teleportation over a fiber optic cable already carrying internet traffic. The work introduces the new possibility of combining quantum communication with existing...
Dual Lasers Lead to High-Energy Accelerator and View of Laser-Plasma Interaction
BERKELEY, Calif., Dec. 19, 2024 — Scientists at Lawrence Berkeley National Laboratory (Berkeley Lab) used lasers and a supersonic sheet of gas to accelerate a high-quality beam of electrons to 10 billion electronvolts (eV) in just 30 cm. The energy and quality of the beam is a...
Hybrid NIR Diffuse Optic, Ultrasound Device Characterizes Thyroids
CASTELLDEFELS, Spain, Dec. 19, 2024 — Thyroid diseases affect approximately 200 million people worldwide. In most thyroid pathologies, the vascularization – the number and structure of blood vessels – and hemodynamics are altered. A better understanding of both could help...
Quantum Ghost Imaging Safely Images Live Plants Using IR Light
WASHINGTON, D.C., Dec. 17, 2024 — Quantum ghost imaging (QGI), a technique that leverages quantum mechanics to capture images at extremely low light levels, could provide a way to image living plants without exposing them to harmful wavelengths. QGI also removes the need to insert...
Light-Based Communication Connects Air, Land, Sea
NANJING, China, Dec. 16, 2024 — A team of researchers from Nanjing University of Posts and Telecommunications has demonstrated a prototype mobile all-light communications network, paving the way for seamless connectivity across air, land, and underwater environments, even when...
Miniature Microscopes Could Probe Hard-to-Reach Places in the Body
ADELAIDE, Australia, Dec. 16, 2024 — A technique from researchers at the University of Adelaide could enable microscopic imaging to be performed through a very thin optical fiber. The new technique could make it possible to image areas in the body that are difficult to reach using...
UV Laser Etching Controls Diamond Surfaces for Electronic and Quantum Use
SYDNEY, Dec. 13, 2024 — In a step toward making diamond a viable material for semiconductors and quantum applications, researchers at Macquarie University developed an etching technique for modifying the surface chemistry of diamond. The highly precise technique can be...
Compact Device Combines Light Sensing and Modulation
SAN FRANCISCO, Dec. 12, 2024 — A device developed by researchers at CEA-Leti combines the ability to sense light and modulate it accordingly, by pairing a liquid crystal cell and a CMOS image sensor into a single device. According to the researchers, this is the first time a...
Electrically-Pumped Laser Grown on Silicon Wafer
JÜLICH, Germany, Dec. 12, 2024 — An international research team has developed an electrically-pumped continuous wave semiconductor laser suitable for seamless silicon integration. According to the team, this is the first laser of its kind directly grown on a silicon wafer....
Solar-Based Synaptic Device Boosts Edge AI Efficiency for Optical Sensing
TOKYO, Dec. 11, 2024 — In-sensor edge artificial intelligence (AI) devices are increasingly used to predict events that require an immediate response, from natural disasters to medical emergencies. To predict emergency events in advance, edge AI devices must be able to...

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