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October 2025

Infographics

Infographic titled "Digital Subcarrier Multiplexing-Based Point-to-Multipoint (PtMP) Passive Optical Network (PON)." It features a 3D diagram showing a network flow from a core cloud and centralized unit through distributed units and splitters to various buildings and wireless towers. Two green checkmarks highlight power budget achievements: 40/42 dB for fixed broadband and 34/47 dB for mm-Wave wireless access.

Demonstration of Bi-directional Point-to-Multipoint Coherent PON using Digital Subcarrier Multiplexing for Broadband Access and Wireless Fronthaul

Photonics Journal
Researchers have demonstrated a point-to-multipoint passive optical network using digital subcarrier multiplexing for fiber–wireless convergence. This architecture balances performance, complexity & cost, advancing optical access for the 5G-A/6G era.
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Infographic titled "Influence of Material Parameters on the Performance of Perovskite Photovoltaics." It features a 3D diagram of a multi-layered perovskite solar cell, a solar panel array, and several charts showing high energy efficiency (22.54% PCE) and high reproducibility in grid energy output.

Unravelling the Impact of Material Parameters on Performance of Perovskite Photovoltaics through Multiscale Simulations

Journal of Quantum Electronics
Researchers used multiscale simulations to study how material parameters like thickness, defects & doping affect perovskite solar cell performance. Optimized designs show significant improvements in efficiency, power output and sustainability.
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Infographic about a high-performance tunable silicon-on-insulator (SOI) filter for optical communication. It shows a multi-layered chip diagram with components like microring resonators and grating couplers, and lists key performance specs including a 1.99 nm passband and >56% efficiency. IEEE logos are at the bottom.

High-Performance SOI-Based Filter with Multiple Microring Resonators for Telecom Applications: Design, Fabrication, and Characterization

Journal of Quantum Electronics
Researchers have designed a tunable optical filter by integrating cascaded microring resonators with grating couplers on a silicon-on-insulator (SOI) platform.
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An infographic titled "Calibration Method for Robotic Arm Operated Phase Measuring Deflectometry." It features a 3D illustration of a white industrial robotic arm holding a scanning device (NCPMD) consisting of a screen, beam splitter, and two cameras. Arrows point to these components. A sidebar highlights that the method achieves accurate calibration, a reprojection error within plus or minus 1 pixel, and greater flexibility. The IEEE Photonics Society logo is at the bottom.

Robotic arm operated automatic area scanning phase measuring deflectometry calibration method

Photonics Technology Letters
A new calibration method for robotic arm–operated PMD improves accuracy and flexibility in measuring reflective surfaces, advancing automated inspection in industry.
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Research News Stories

Pointing error influence on quantum key distribution (JQE)

Experimental Characterization of Optical Fiber Bundles for Free-Space Optical Communication in High-Altitude Platforms

Journal of Selected Topics in Quantum Electronics
Experiments show optical fibers could be key to realizing a flexible, distributed architecture for high-speed data links in aircraft.
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Video Short

Synergizing Radiative Cooling and Solar Energy Harvesting

Synergizing Radiative Cooling and Solar Energy Harvesting

Journal of Selected Topics in Quantum Electronics
Solar panels work best in the sun, but heat kills efficiency. A new IEEE review shows how passive radiative cooling can lower temps by 5-13°C, boost performance, and even enable 24-hour electricity generation.
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