Silicon Photonic Integrated Circuits (PICs) offer multiple advantages, including high-density integration scalability, cost-effectiveness in large volume production, and high yield manufacturing due to mature CMOS microelectronics processes. They find applications in optical field-programmable gate arrays, energy-efficient optical signal processors, and handheld optical sensing systems. This presentation reviews recent progress in integrated coherent networks on the silicon photonics platform, exploring their applications in reconfigurable processors, optical communications, and optical sensing. Innovative computation units based on Micro-ring resonators are introduced, enabling efficient optical delay lines and pulse shaping. Coherent networks also facilitate mode unscrambling in high-capacity optical communication systems and improve resolution and bandwidth in on-chip speckle spectrometers.
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