Microelectronics 7 August 2025

What is Silicon Photonics and How Does It Work

Silicon Photonics Revolution – Light-Speed Tech Transforming AI, Data Centers & More

Silicon photonics is a technology that uses silicon-based photonic integrated circuits to manipulate light for processing and communication. In simple terms, it means building optical devices on silicon chips similar to how electronic circuits are made. These silicon photonic chips can send and receive data using light, enabling ultra-fast data transfer with high bandwidth and low energy loss ansys.com. Key components include waveguides, modulators, lasers, and photodetectors ansys.com. By integrating these on a silicon platform, engineers leverage well-established semiconductor manufacturing to mass-produce photonic devices, combining the speed of light with the scale of modern chip fabrication ansys.com. How does it work? Instead of electrical pulses in copper wires, silicon photonic circuits use infrared laser light coursing through micron-scale waveguides. Silicon
August 9, 2025
ultraviolet lithography

The Ultraviolet Revolution: Inside the Invisible $150M Machines Shaping the Future of Microchips

Every modern microprocessor – from the chip in your smartphone to the CPUs powering cloud AI – is born under ultraviolet light. In fact, some of the most advanced manufacturing machines on Earth shine invisible ultraviolet lasers onto silicon wafers to etch the nanoscale circuits that make microchips work. These machines cost upwards of $150 million each, are the size of a bus, and operate with almost sci-fi complexity – yet they are the unsung workhorses behind Moore’s Law and the continuous march of faster, smaller, more efficient processors reuters.com, technologyreview.com. Industry observers have even nicknamed the latest generation of these tools “the machines that saved Moore’s Law,” because without them, making cutting-edge chips would be practically impossible cloud.google.com. This
August 7, 2025