Silicon photonics platforms use crystalline silicon, silicon nitride, and silicon-on-insulator structures to create optical circuits compatible with standard semiconductor manufacturing processes. These materials enable cost-effective production through existing CMOS fabrication. The transceiver modules at the ends of the fiber link are a key driver of the performance of the optical interconnect. These are the pluggable optical modules that convert electrical signals to optical signals and back again. The most common materials include silicon, indium phosphide, gallium arsenide, and lithium niobate, each chosen for specific optical properties such as wavelength compatibility, power. Silicon photonics is an attractive technology for Photonic Integrated Circuits (PICs) because it builds directly on the extreme maturity of the silicon nano-electronics world. This technology has gained significant traction, especially with the advent of 800G and 1. The silicon is usually patterned with sub-micrometre precision, into microphotonic components.
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