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Light Sources News
BeeOLED Emerges from Stealth to Develop Deep-Blue OLED Emitter Tech
DRESDEN, Germany, Sept. 1, 2023 — Dresden, Germany-based startup beeOLED has raised €13.3 million ($14.4 million) in series A funding to further develop its high-efficiency deep-blue emitter technology and advance the emitters toward commercial availability. The company aims to overcome a bottleneck that has to date prevented a market-ready technology that delivers deep-blue OLED emitters that are both stable and efficient at the same time. Currently, according to the company, such emitters are either only
Quantum Light Source Emits Circularly Polarized Single Photons
LOS ALAMOS, N.M., Aug. 29, 2023 — An approach to quantum light emitters developed at Los Alamos National Laboratory stacks two different atomically thin materials to realize a source that generates a stream of circularly polarized single photons that can be used for a variety of...
Tomography Techniques Recover Scattered Light to Speed 3D Imaging
WASHINGTON, D.C., Aug. 24, 2023 — Although 3D imaging techniques are useful for studying thick biological samples, the challenge to achieve both high-speed acquisition and high resolution of 3D images persists. Intensity diffraction tomography (IDT), a label-free phase tomography...
GaN-Based LEDs Achieve High-Frequency Visible Light Communications
SHANGHAI, Aug. 23, 2023 — As the large-scale, commercial use of 5G networks has grown, so has the need for broader bandwidth to accommodate high-speed communications. To meet the resource needs of the post-5G and 6G eras, researchers at Fudan University are exploring visible...
Optical Processor Captures Scenes in Spatially Incoherent Light
LOS ANGELES, Aug. 22, 2023 — A research team led by professor Aydogan Ozcan at the University of California, Los Angeles (UCLA) developed a deep-learning-based approach to designing spatially incoherent, diffractive optical processors. The method provides a way to build...
Amplitude-Only Modulator Targets Photonic Device Efficiency
EXETER, England, Aug. 21, 2023 — A thin-film, amplitude-only spatial light modulator made from phase-change-based material was developed by researchers at the University of Exeter and the Institute of Optics in Madrid. The device operates in reflection and modulates the amplitude...
Caelux, UbiQD Advance Solar Technology Pursuits: Week in Brief: 08/18/23
PASADENA, Calif., Aug. 18, 2023 — Perovskite technology developer Caelux closed a $12 million series A3 funding round. The company’s series A total of $24 million will be allocated to support its factory ramp, R&D, and product launch. The Caltech spinout is building a...
Spin-Optics Laser Enables Electron and Photon Spins for Optoelectronics
HAIFA, Israel, Aug. 17, 2023 — Researchers at the Technion Israel Institute of Technology developed an atomic-scale, spin-optical laser. To do so, they incorporated a WS2 monolayer into a heterostructure microcavity that supported high-Q photonic spin-valley resonances. The...
SuperLight Photonics Names CEO; Diamond Light Source Taps Leader: People in the News: 08/16/2023
ENSCHEDE, Netherlands — SuperLight Photonics, a developer of supercontinuum generation lasers, named Cees Links CEO. The University of Twente spinout is focused on applications spectrometry, OCT, crop management, surface inspection, and pollution detection enabled by PIC...
Light-Activated Metal Particles Deliver Targeted Cancer Treatment
NOMI, Japan, Aug. 15, 2023 — A research group from Japan Advanced Institute of Science and Technology (JAIST) developed light-activatable, liquid metal (LM) nanoparticles for cancer diagnosis and treatment via photoimmunotherapy. The LM nanoparticles can target and destroy...
Edmund Opens Florida Laser Optics Center: Week in Brief: 8/11/23
BARRINGTON, N.J., Aug. 11, 2023 — Edmund Optics established a 34,000-sq-ft laser optics center in Oldsmar, Fla. The center is dedicated to manufacturing optical components with high laser damage thresholds from the ultraviolet to the far infrared, and it expands Edmund’s laser...
Near-IR Biosensors Use DNA Anchors to Target Range of Molecules
BOCHUM, Germany, Aug. 10, 2023 — To build a flexible sensor for optically detecting a range of viruses and bacteria, a group of researchers from Ruhr University Bochum (RUB), the Fraunhofer Institute for Microelectronic Circuits and Systems (IMS), and ETH Zurich used...
Optical Measurements Combine for Early Metastasis Detection
BOSTON, Aug. 10, 2023 — Diffuse in vivo flow cytometry (DiFC), an optical technique developed at Northeastern University, enables fluorescence detection of tumor cells circulating in the bloodstream. It is a promising technique for detecting cancer that has metastasized....
IR Imager Merges AI, Thermal Physics to See in the Dark
WEST LAFAYETTE, Ind., Aug. 8, 2023 — Heat-Assisted Detection and Ranging (HADAR), a patent-pending thermal imaging technology from Purdue University, combines infrared (IR) imaging, machine learning, and thermal physics to visualize target objects in the dark as if it were broad...
NIF Scientists Claim Repeat Fusion Breakthrough
LIVERMORE, Calif., Aug. 7, 2023 — Scientists at Lawrence Livermore National Laboratory (LLNL) and the National Ignition Facility (NIF) have reportedly advanced last December’s laser fusion breakthrough result. For the second time, scientists obtained more energy from a fusion...
Light-Activated Biomimetic Gel Offers Potential for Corneal Repair
OTTAWA, Ontario, Aug.3, 2023 — Tens of millions of people around the world suffer from corneal diseases, with only a small fraction eligible for corneal transplantation. In a recent study, researchers at the University of Ottawa showed that biomimetic materials activated with...
Spectroscopy, Machine Learning Pair to Ease Recyclables Sorting
TIANJIN, China, Aug. 3, 2023 — Researchers at Hefei University of Technology have demonstrated the use of laser-induced breakdown spectroscopy (LIBS) to automatically identify, classify, and subclassify recyclable waste in real time. The resource re-use application enabled the...
ams OSRAM Details Business Restructure
PREMSTAETTEN, Austria, Aug. 2, 2023 — Along with unveiling its second-quarter earnings, ams OSRAM announced it will eliminate its passive optical components portfolio, among others, as part of a strategic realignment. The company plans to cut what it called its “noncore...
Quantum-Dot Laser Elevates Efficacy of Frequency Combs for PICs
SANTA BARBARA, Calif., Aug. 1, 2023 — University of California, Santa Barbara (UCSB) researchers led by John Bowers have developed a quantum-dot (QD) mode-locked laser that allows amplitude-modulated (AM) and frequency-modulated (FM) combs to be generated independently from the same...
Quantum-Confined Mediums Scrutinized for Narrow Linewidth Lasing
THUWAL, Saudi Arabia, July 24, 2023 — On-chip laser diodes based on quantum dot (QD) and quantum well (QW) semiconductor materials are strong candidates for applications that rely on stable laser emissions with narrow linewidth. Examples include lidar, remote sensing, and coherent...
Laser Fusion Company EX-Fusion Raises $12.8M in Seed Round
OSAKA, Japan, July 14, 2023 — Japanese laser fusion company EX-Fusion has closed an oversubscribed ¥1.8 billion ($12.8 million) seed round designed to further accelerate the commercial development of its laser fusion technology. EX-Fusion, which is working to promote the...
Photonic Chip Drives Scalable Data Transfer
NEW YORK, July 11, 2023 — Systems that run artificial intelligence programs, such as large language models, face a “bandwidth bottleneck” that can limit the amount of data they transfer between nodes. Using light to send information between the nodes of data...
Microscopy Method Uses Infrared Light to Image Molecules with Vibrational Contrast
PASADENA, Calif., July 7, 2023 — The complementary strengths of fluorescence and vibrational microscopy are combined in a new technique developed at Caltech, which is called bond-selective fluorescence-detected infrared-excited spectro-microscopy (BonFIRE). BonFIRE will benefit...
Photonic Chip Transforms Single Light Beam into Multiple
GAITHERSBURG, Md., July 6, 2023 — Researchers at the National Institute of Standards and Technology (NIST) have devised a photonic circuit on a chip that transforms a single incoming beam of laser light into a panoply of new beams, each with a host of different optical properties....
Optically Addressed Spintronics Eliminates Need for Magnetic Fields
CAMBRIDGE, Mass., July 5, 2023 — Electron spins could become more efficient and easier to manage through a light-based approach using halide perovskite semiconductors. Research teams at Harvard’s Rowland Institute and the University of Cambridge observed ultrafast spin-domain...
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April 2024
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