Chip-Scale Brillouin Laser Gyroscope Achieves Ultra-High Sensitivity
Researchers have developed an integrated Brillouin laser ring gyroscope capable of measuring rotation rates as low as 37 degrees per hour.
Researchers have developed an integrated Brillouin laser ring gyroscope capable of measuring rotation rates as low as 37 degrees per hour.
Lightwave has launched a reader poll on the practice of carriers such as AT&T and Verizon converting traditional central office facilities into data centers after shutting down copper-based voice services. Verizon said on its second-quarter earnings call that it is converting central offices to support AI inference.
Xiver, a MEMS and photonic chip foundry at the Eindhoven High Tech Campus, has secured EUR 28 million in debt financing from Dutch bank ABN Amro to expand production of photonic chips for optical communications and infrared sensing.
A team at the University of Colorado Boulder has designed a range of multicolor tattoo inks that can be switched on or off under different wavelengths of light. The results were published in Matter, a Cell Press journal.
SPIE Photonics West 2027 will take place from January 30 to February 4, 2027, in San Francisco, United States. The annual event brings together about 24,000 optics and photonics professionals from around the world. SPIE also announced a USD 1 million endowment with the University of Montana.
Siloton will receive GBP 8.4 million in funding from Innovate UK over two years to advance GiraffeOCT, an OCT technology based on quantum photonic integrated circuits, toward clinical use. The funding is expected to shorten the development timeline by about two years.
Why we recommend it: The source article describes the funding path for taking photonic integrated OCT from the lab to the clinic, serving as a reference for the industrialization of medical optics devices
Salience Labs, a University of Oxford spinout developing photonic chips for AI data centers, announced GBP 95 million in funding to scale mass production of optical circuit switches and expand its presence in Silicon Valley.
Why we recommend it: The source article explains the positioning of optical circuit switching chips for AI data centers, helping understand where optical switching fits in compute networks
A team from UC Santa Barbara and Caltech published in Optics Letters a chip-scale optical ring laser gyroscope capable of measuring rotations as slow as 37 degrees per hour, approaching Earth's rotation rate of 15 degrees per hour. The device is based on a low-noise Brillouin laser in a silicon nitride waveguide photonic integrated circuit, can be fabricated with standard CMOS processes, requires only milliwatt-level optical power, and offers nearly 2,000-fold higher sensitivity than the team's earlier device.
Why we recommend it: Compared with the team's earlier silicon nitride Brillouin gyroscope rated at 72,000 degrees per hour, this is nearly a 2,000-fold improvement, helping gauge how far on-chip optical gyroscopes are from navigation applications.
Researchers have built a fully connected four-user quantum network, distributing time-frequency entangled photon pairs over six links using a broadband integrated lithium niobate photon source. Using the polarization of the same photon as a trusted quantum input, they can verify and quantify entanglement without trusting the measurement devices.
Hengmai Optics recently shipped eight ultra-precision optical processing systems with apertures of 2.2 m, 1.6 m and 1.8 m, and delivered 14 systems with apertures from 1.2 m to 3 m in September, pushing cumulative shipments past 1,000 units. Annual shipments have grown by an average of 100% over the past three years. QYResearch data show the global ultra-precision optical processing equipment market was worth about USD 126 million in 2025.
Salience Labs, which develops photonic chips for AI data center interconnects, has closed an oversubscribed USD 125 million Series B round. The company previously demonstrated a 64-port all-optical silicon photonic circuit switch at ECOC 2026.
Why we recommend it: The source article links the funding to the 64-port all-optical switch demonstration at ECOC, helping assess the commercial progress of silicon photonic optical switching
The article argues that AI capabilities can be upgraded over the air, but the optical experience of a diffractive waveguide is hard to fix once finalized. The development of Leqi's second-generation AI glasses focuses on four engineering challenges: hiding the grating, suppressing rainbow artifacts, thinning the lens, and reducing reflections while preserving brightness. These are also the issues consumer AI glasses must solve to look like ordinary eyewear.
TDK showcased at CEATEC an ultrathin meta-optics reflector designed for retinal projection smart glasses. The prototype is monochrome green with 750p resolution and a 45-degree diagonal field of view. The reflector is only 150 nanometers thick and achieves 80% visible-light transmittance. TDK plans to launch the green version by the end of 2026, a full-color version in May 2027, and mass production within a few years.
Why we recommend it: The source article gives thickness, transmittance, field of view and mass-production timeline, enabling comparison with waveguide approaches to understand retinal projection
A team led by the University of Central Florida (UCF) will receive a five-year, $19.2 million grant from the US Army Research Office to study light propagation and control in complex dynamic environments. The project, led by Guifang Li, will explore weak backscattering coherent measurement, inverse methods, AI analysis and multi-plane light conversion, with the goal of measuring and rapidly correcting light field distortions when remote sensors or beacons cannot be placed. Potential applications include directed-energy systems, biological tissue imaging, laser medicine, remote sensing and free-space optical communications.
ASML said its existing 2027 and 2028 supply plans cannot fully meet customer demand and that it is studying a further expansion of 2028 capacity beyond the previously planned 30% increase. Quarterly sales through September 27 were EUR 11.7 billion, up more than 50% year over year. The NXE:3800F EUV lithography system slated for introduction next year will raise productivity from 230 to 260 wafers per hour.
Why we recommend it: Capacity expansion and productivity upgrades are proceeding in parallel, offering concrete industry clues on how AI demand translates into EUV lithography equipment supply constraints.
Under-display cameras are back in the spotlight after the unveiling of Apple's first foldable phone, the iPhone Duo. Red Magic has also announced ninth-generation under-display camera technology, continuing with a true full-screen design. The article reviews how most makers returned to punch-hole designs after under-display cameras entered mass production six years ago.
Credo has launched the Short Reach Micro-emitter Optics (SRMO) working group within the Open Compute Project (OCP) to develop specifications for high-speed data center interconnects with industry partners.
German optics company Schäfter+Kirchhoff has completed its previously announced management handover, moving to a two-person co-management structure after a one-year transition period.
Photonics.com people-on-the-move roundup, October 14: Edmund Optics appoints a president of advanced manufacturing; Jürgen Popp, scientific director of the Leibniz Institute of Photonic Technology, receives the Ellis R. Lippincott Award and other honors at the SciX 2026 spectroscopy conference.
A Laser Focus World article weighs building a laser beam analysis solution against buying one, noting that although high-quality cameras and low-cost computing are widely available and a home-built beam profiler may seem simple, 11 factors need to be considered in practice.
Hyundai Mobis has sold its automotive lighting business to France's OPmobility for an enterprise value of about $443 million; the business posted 2025 revenue of about EUR 1.6 billion. Meanwhile, Xingyu has joined the global top 10 in automotive lighting, while BYD, Leapmotor and Great Wall Motor are bringing lighting production into their own factories.
FiberHome Ruituo, a wholly owned subsidiary of FiberHome Telecommunication Technologies, has filed a construction application for Phase II of its industrial-scale oversized optical fiber preform project, with total investment of about RMB 398 million. Upon completion, the project will add 600 tons of annual optical fiber preform capacity. In May, the company unveiled an optical fiber preform measuring 0.3 meters in diameter and 3.5 meters in length, from which about 20,000 kilometers of optical fiber can be drawn from a single preform.
Researchers at the University of Jena and the University of Regensburg have used ultrashort laser pulses and nonlinear optical methods to probe the quantum geometric properties of electrons in solids.
Researchers constructed optical skyrmions using two orthogonally polarized Laguerre-Gaussian beams and showed that they can control the motion of magnetic skyrmions in magnetic materials, using the orbital and spin angular momentum of structured light to manipulate magnetic structures.
Researchers have developed a computational model that accounts for age-related changes in the eye to guide white-light spectrum design, helping older adults distinguish colors better while preserving the characteristics of conventional white light.


The Ethernet Alliance held its Technology Exploration Forum, TEF 2026, on the theme "The Future of AI is Ethernet" from October 7 to 8, 2026; a Lightwave podcast discussed AI's impact on the evolution of Ethernet.
UK-based silicon photonics company Salience Labs has closed a USD 125 million Series B round to expand development of optical circuit switch (OCS) technology and ease network bottlenecks in AI data centers.
Why we recommend it: The source article highlights the positioning of optical circuit switching against AI data center bottlenecks, helping understand capital enthusiasm for silicon photonic switching
A research team at the Anhui Institute of Optics and Fine Mechanics (AIOFM), specializing in remote sensing information characterization, combined EPIC and MODIS satellite observations from 2015 to 2025 with ERA5 reanalysis and AERONET ground-based data to analyze diurnal variations in aerosol optical depth over Quetta and Karachi, Pakistan. The results were published in Remote Sensing. In representative scenarios, aerosol optical depth in Quetta rose by 0.159 from morning to afternoon, while Karachi saw an increase of 0.066. The study provides a multi-source remote sensing analysis method for monitoring diurnal aerosol variations in regions with sparse ground observations.
The 32nd VISION machine vision trade show, organized by Messe Stuttgart, took place in Stuttgart last week, attracting more than 9,000 professional visitors, up 14% from 2024. The event drew a record number of exhibitors and presented the VISION Start-Up Award.
Researchers have developed a model that accounts for age-related changes in color vision and simulated different lighting configurations to improve color perception for older adults. The findings were published by Optica on October 13, 2026.
Why we recommend it: The source article explains the relationship between lighting spectra and age-related color vision, helping understand the role of spectral design in healthy lighting
Laser Focus World's free PhotonicsNXT 2026 online event takes place October 14-15, featuring educational sessions on optics, photonics, quantum, and sensing.
In June 2026, Hisense Group strategically acquired a long-established fiber laser company and renamed it Haipulin. Four months later, Haipulin presented a full range of laser cutting, welding, cladding, and 3D printing solutions at the China International Industry Fair, focusing on new energy, aerospace, steel structures, and marine engineering.
The Quantum Data Centre Alliance (QDA) held its second forum at Battersea Power Station in London, stating that quantum computing is moving closer to deployment as scalability and integration challenges are gradually resolved.
Laser Focus World has launched a podcast featuring experts discussing photonics and quantum computing.