Dongbai Group announced on October 12 that it planned to acquire a 52.6667% stake in Hangzhou Kuailing Photonics for RMB 316 million to enter the indium phosphide photodetector chip market. On October 15, it announced the termination of the deal because the parties failed to agree on key terms. Dongbai Group's share price fluctuated sharply over the three days.
Optics & Photonics News reports that an early clinical study showed optogenetic therapy can partially restore vision in patients with severe vision loss. Most adverse events were mild to moderate, with only one transient severe event after injection that resolved within minutes. First author Jose-Alain Sahel of the University of Pittsburgh said the results show that the visual system retains the ability to process new information even in people with severe blindness.
Why we recommend it: Optogenetic therapy applies light stimulation directly to visual restoration, and the source article provides early clinical safety results that can serve as a reference for biophotonics applications
The Karolinska Institute has announced that the 2026 Nobel Prize in Physiology or Medicine goes to Karl Deisseroth, Peter Hegemann, and Georg Nagel for the discovery of light-gated ion channels and optogenetics. The article explains how the channelrhodopsin ChR2 is activated by blue light and discusses how optogenetics adds precision writing capability to brain-computer interfaces.
A paper published in Nature Photonics reports that chiral multiple quantum well structures in perovskites extend spin lifetime through highly efficient spin cascade processes, offering a new material platform for chiral optoelectronics and spintronic devices.
Excelitas subsidiary Luxium Solutions, acquired by Excelitas in October 2025, will carry out legal entity changes for four entities and consolidate four U.S. Luxium brands starting in January 2027.
In a paper published online in Nature Photonics on October 13, researchers used vapor-phase molecular passivation to decouple C60 molecules, thereby suppressing interface recombination in perovskite solar cells.
Dongbai Group announced on the evening of October 11 that it plans to acquire a 52.6667% stake in Hangzhou Kuailing Optoelectronics for CNY 316 million, entering the indium phosphide photodetector chip market. The deal values Kuailing Optoelectronics at CNY 600 million. Kuailing Optoelectronics develops, manufactures and sells photodetector chips through its wholly owned subsidiary Guangte Technology.
A paper published online in Nature Photonics on October 12 reports that solid-state luminescent guest acceptors create thermally accessible radiative channels in organic solar cells, boosting device efficiency.
A paper published online in Nature Photonics on October 12 describes deep-blue organic light-emitting diodes that use phosphorescence-assisted TADF-sensitized fluorescence to accelerate exciton utilization, improving stability and reducing efficiency roll-off.
A team led by researcher Wang Quan at the Biomedical Spectroscopy Laboratory of the Xi'an Institute of Optics and Precision Mechanics used upconversion nanoparticles to achieve wireless near-infrared optogenetic pain relief. The research was recently highlighted in a special commentary in Nature Photonics. Optogenetics received the Nobel Prize in Physiology or Medicine on October 5, 2026.
Why we recommend it: The article applies upconversion nanoparticles to near-infrared wireless optogenetics, offering reference value for biophotonics applications
PHIX Photonics Assembly, a photonic integrated circuit design, assembly and packaging service provider, has opened a cleanroom and office in Bozeman, Montana, bringing engineering support and production capabilities to the area.
Nature Photonics published a paper online on October 9 in which researchers blended multiple self-assembled molecules to form high-entropy molecular contacts, improving hole transport and achieving efficient, stable perovskite solar cells.
A paper in Light: Science & Applications uses spatiotemporally resolved terahertz emission nanoscopy to observe ultrafast charge and spin currents in spintronic devices, offering detailed insight for next-generation technologies such as high-efficiency solar cells.
Electro Optics reports that the 2026 Nobel Prize in Physiology or Medicine has been awarded for optogenetics research, a technology that uses light to control individual nerve cells in living brains.
Hamamatsu Photonics and MEETOPTICS have announced a partnership to exclusively integrate MEETOPTICS' scientific AI chat tool into Hamamatsu's product portfolio, helping users find photonic devices.
A paper in Advanced Functional Materials examines the in-plane anisotropy of the bulk photovoltaic effect in the Pc phase of CuCrP2S6 at 100K, concluding that atomic motion could help solar cells surpass conventional efficiency limits.
Laser Focus World reports that optogenetics has won the 2026 Nobel Prize in Physiology or Medicine.
On October 5, Optica congratulated Karl Deisseroth, Peter Hegemann and Georg Nagel on receiving the 2026 Nobel Prize in Physiology or Medicine for their pioneering contributions to optogenetics.
Why we recommend it: The original article is the optical society's official response to the Nobel Prize, a landmark event for optical technology entering the mainstream of life sciences
Optics & Photonics News reports that Karl Deisseroth, Peter Hegemann, and Georg Nagel have received the 2026 Nobel Prize in Physiology or Medicine for their pioneering contributions to optogenetics.
Researchers use a programmable photonic chip to read out the hidden topology of a lossy system: two signal channels reproduce the lossy system, while two auxiliary channels absorb leaked energy, allowing topological properties to be measured even under energy loss.
Researchers at EPFL have developed a photonic integrated, infinite self-injection-locked laser that remains locked without active control and has been packaged in a fiber-coupled standard butterfly package.
Why we recommend it: The original article presents an integrated narrow-linewidth laser that can be packaged directly, relevant to simplifying laser sources in optical communications and sensing
In an exclusive interview with C114, Photon Bridge's Chief Commercial Officer discusses the interconnect bandwidth pressure created by expanding AI compute clusters and the role of integrated photonics in breaking through optical module power and density limits, with a focus on the mass-production challenges of external light sources (ELS) and the Dutch integrated photonics ecosystem.
Water absorbs longer-wavelength light first, giving the ocean a blue hue below the surface. Researchers are using perovskite photovoltaics matched to the underwater spectrum to improve the performance of underwater solar power generation.
Xili Photonics has completed a Pre-A round of financing worth over 100 million yuan, led by Futu Capital, with participation from the Shanghai Future Industry Fund and others. The funds will be used for R&D on thin-film lithium niobate photonic chips and system-on-chip integration technology, product iteration and the construction of a wafer production line.
SICC made its first appearance at CIOE, presenting multi-material wafer manufacturing solutions for SiPh, SiGe, VCSEL and more.
Xin Guang Jie has completed an Angel+ financing round worth several hundred million yuan.
ams OSRAM reported first-half revenue of EUR 1.601 billion, flat year over year, and adjusted EBITDA of EUR 267 million, with a strategic focus on digital photonics.
Accelink reported H1 revenue of RMB 297 million, with sampling tests of single-lane 100G/200G electrical chips proceeding well.
Changelight says its 100G VCSEL data communications product has entered the tape-out stage.
Beijing photonic chip maker Taorun Semiconductor has begun IPO guidance.
Suzhou photonic chip maker Suna Photonics has begun IPO guidance.
Sichuan Yuanjie Technology plans to invest 4.268 billion yuan to build a semiconductor technology industrial park.
A team led by researcher Li Shaojuan at the Changchun Institute of Optics, Fine Mechanics and Physics has developed a vision-olfaction dual-modal neuromorphic device based on a MoS2/SnS2 floating-gate heterostructure. The device responds to both optical and gas signals and fuses them at the device level. The results were published in Advanced Materials. The device has an active area of 148 µm² and static power consumption of 3.4 µW. With the optical modality introduced, classification accuracy for 12 gases rose from 52.24% to 98.27%, while recognition accuracy for 51 gas mixtures reached 89.32%.
A team led by Researcher Meng Bo at the Changchun Institute of Optics, Fine Mechanics and Physics published a paper in Laser & Photonics Reviews presenting a mid-infrared quantum cascade laser with a goblet-shaped waveguide structure, using selective wet etching of the active region and eliminating the semi-insulating InP lateral regrowth process. A 1 mm x 3 um device achieved a continuous-wave threshold power consumption of about 1 W at 293 K, an output power above 27 mW, and a room-temperature pulsed wall-plug efficiency of 3.9%. A 2 um-wide device achieved stable single-mode lasing across the entire current range, with a side-mode suppression ratio of about 20 dB.
Why we recommend it: The goblet-shaped waveguide eliminates the semi-insulating InP regrowth process through selective wet etching. The original paper gives room-temperature continuous-wave threshold power consumption and wall-plug efficiency, which can be compared with buried heterostructure devices for context.
The Shanghai Institute of Optics and Mechanics has made new progress in research on optoelectronic neural synaptic devices.
A team led by Guo Xiaoyang and Liu Xingyuan at the Changchun Institute of Optics, in collaboration with the Changchun Institute of Applied Chemistry, has built asymmetric Fabry-Perot microcavities using double-sided dielectric/metal/dielectric (DMD) electrodes to create color-programmable semi-transparent organic photovoltaic windows. The results were published in Advanced Functional Materials. The device achieves a power conversion efficiency of 10.07%, an average visible light transmittance of 35.9%, an infrared blocking rate of 91.59%, and a color rendering index of 89.8. The reflected color can be tuned by varying the thickness of the MoO3 dielectric layers on both sides, covering most of the sRGB color gamut.
Fujia Gallium, an incubated company of the Hangzhou Institute of Optics and Mechanics, can now stably supply (011)-plane 2-inch gallium oxide (Ga2O3) single-crystal substrates in volume, with continuous deliveries to research institutions and companies in China and abroad. Three-axis HRXRD tests at the Shenzhen Pinghu Laboratory showed an average full width at half maximum of about 16.2 arcsec across five points on the wafer. The original report says the substrates can provide material support for downstream applications such as power devices and deep-ultraviolet detectors.
A team led by Academician Wang Lijun at the Changchun Institute of Optics, Fine Mechanics and Physics, together with Zheng Chuantao's team at Jilin University, published a paper in Optics and Laser Technology proposing an 8-channel complex-coupled DFB semiconductor laser array based on high-order surface gratings and periodic current injection, requiring neither epitaxial regrowth nor nanoscale lithography.
A team led by researcher Meng Bo at the Changchun Institute of Optics and Mechanics published a paper in Light: Science & Applications proposing a multistate-to-continuum (MTC) active-region design based on diagonal transitions, and used MOCVD to grow a mid-infrared quantum cascade laser with a single active region and an ultrabroad gain spectrum.
Why we recommend it: The diagonal-transition design from multiple states to continuum states lets several transition channels contribute gain simultaneously. The original text gives lasing spectral widths of 1.2 µm at room temperature and 1.93 µm at 80 K, directly relevant to applications such as mid-infrared frequency combs.
Canada has announced it will invest CAD 120 million over five years to support the CAD 220 million Fabric project led by CMC Microsystems, helping startups commercialize their technologies. The project will subsidize prototype production, provide cheaper tools, software and training, and offer up to CAD 10 million in funding for semiconductor, superconductor, smart sensor and photonic hardware development.