A device library for the ultra-low loss Si3N4 platform
Résumé
Silicon nitride platforms based on ultra-low loss tightly confining waveguides present a great interest for a wide range of applications. We present our 200mm platform based on 800nm-thick LPCVD Si3N4 with optical losses below 5dB/m. It is completed with a set of photonic components specially developed for this platform: grating and edge fiber couplers, directional couplers, MMI, Y-junction, racetrack resonators and an AWG multiplexer. The Si3N4 platform and its device library are the basic building blocks for more complex circuits targeting advanced applications: LiDAR, microwave optics, quantum photonics, neuromorphic computing and sensors.
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