➀ Researchers from Polytechnic University of Milan have developed a novel optical receiver capable of restoring chaotic signals disrupted by atmospheric turbulence in free-space optical communication links.

➁ The system uses optical micro-antennas embedded in a programmable photonic chip to adapt in real time and preserve the integrity of the signal, even under challenging environmental conditions.

➂ This innovation enables reliable, high-speed, and secure optical communications in remote areas, disaster zones, and other environments where traditional systems fail.

Phlux Technology, a Sheffield-based infrared sensor specialist, has successfully raised a $11.7 million Series A funding round, led by BGF and supported by existing investors including Octopus Ventures, Northern Gritstone, and Foresight. The funds will be used to expand into optical communications and sensing industries, leveraging Phlux's antimonide-based semiconductor technology. This technology aims to provide faster, more energy-efficient sensor and connectivity systems, with potential data rate improvements of up to 5x over current systems. The company also plans to scale its team, increase production, and launch two new product lines. Phlux's sensors are expected to play a critical role in advanced sensing technologies across various industries.

➀ Si-MRM is an ideal device for optical communication, interconnect, computing, and microwave photonics due to its compact size, low drive voltage, and high bandwidth.

➁ High linearity is crucial for special applications like analog optical links and high-precision optical computing.

➂ MOSCAP structure improves Si MRM linearity by enhancing the capacitance density and linearly accumulating charge with gate voltage, which compensates for the nonlinear Lorentz transmission curve of the MRM.

➃ MOSCAP Si MRM demonstrates excellent linearity and a high SFDR of 106 dB·Hz²/³.

➄ University of Southampton and HPE have also developed MOSCAP MRM structures with notable performance improvements.

➀ ETH Zürich researchers have developed an ultra-wideband MHz to THz plasmonic EO modulator that achieves terahertz data transmission;

➁ The modulator can convert data signals with frequencies above 1 Terahertz efficiently into optical signals for transmission through fiber optic networks;

➂ The technology could have applications in 6G mobile networks, medical imaging, material analysis, and high-performance measurement technology.

The Fraunhofer Heinrich-Hertz-Institut (HHI) is developing networked quantum repeaters for secure communication networks, part of the QR.N project. Quantum networks use quantum mechanics principles to ensure secure communication. The project aims to extend data transmission range and connect quantum computers securely. QR.N is coordinated by Saarland University and involves various research and industry partners.

Fraunhofer researchers, in collaboration with partners, have optimized data transmission in fiber optic networks using smart techniques. Optical switches with liquid crystal mirrors reduce data packets, allowing more data to pass through the network. Additionally, splitting signals across various fiber strands creates more flexibility.

The project WESORAM has developed a technology that allows signals from eight input channels to be sent to 16 output channels, increasing network capacity and flexibility. The research also includes the development of signal amplifiers for multi-core fibers, enhancing data transmission capabilities.

Both projects are supported by the German Federal Ministry of Education and Research and the VDI (Association of German Engineers).

XCAM is advancing its work on a CubeSat imaging system for Craft Prospect, shifting from the SALIENT project to the OPS-SAT VOLT mission in LEO.

The Context Imager on the satellite utilizes imagery from XCAM’s NuSCIS system for real-time decision-making in satellite operations.

The mission is supported by the Centre for Earth Observation Instrumentation (CEOI) and marks the first flight of NuSCIS with a CMV4000 CMOS image sensor, opening up possibilities for similar applications.

➀ The article discusses the recent advancements in silicon arrayed waveguide gratings (AWGs) focusing on channel count and crosstalk balance.

➁ It highlights the design and fabrication of a 12x100GHz AWG with insertion loss and crosstalk of less than 0.82 dB and -30 dB, respectively.

➂ The article also mentions the comparison of performance with previous siliconG papers, noting the best overall performance in terms of crosstalk, insertion loss, and channel uniformityp>

➀ Researchers at Cornell University have developed a method to convert symmetric semiconductor particles into chiral materials, which can enhance light-polarization control in films.

➁ Chiral materials can rotate polarized light, and this study utilizes cadmium-based semiconductor compounds to achieve this effect.

➂ The research shows that by controlling the drying geometry, the structure and chirality of the film can be controlled, leading to films with high light-matter interaction strength.

➀ Marvell, a major US network and optical communication company, has announced a price increase for all its product lines starting from January 1, 2025, in response to the surge in AI demand.

➁ The move is seen as an opportunity to capture market opportunities and continue investing in R&D of cutting-edge and innovative products.

➂ Marvell's strong financial performance in the last quarter, driven by high demand for ASICs and silicon photonics in cloud data centers, has outperformed market expectations.

➀ The year 2024 has seen rapid commercialization of high-speed optical modules based on AI infrastructure, with many details of technical and viewpoints from various manufacturers.

➁ The theory of coherent modules is basically mature, and the industry is gradually optimizing and developing towards high bandwidth, high capacity, and low power consumption, including technologies such as C+L band amplifiers, large bandwidth InP technology, thin film lithium niobate technology, and silicon photonics.

➂ Next-generation high-capacity communication options include multi-core fibers and air-core fibers, which have theoretical advantages of low latency, high capacity, long distance, and high fidelity, but also face some research challenges.