olix - Optical Interconnect Process Engineer

• OPTICAL INTERCONNECT IMPLEMENTATION • Design and optimize high-density Silicon Nitride waveguide interconnects and routing networks. • Develop advanced coupling solutions, including spot-size converters, grating couplers, and edge-coupling interfaces for efficient fiber-to-SiN PIC connectivity. • Work with SiN-based platform components for multiplexing (WDM), filtering, and signal distribution. • Define alignment strategies and sub-micron tolerances for high-volume automated assembly. • PACKAGING & INTEGRATION • Drive co-packaged optics (CPO) integration utilizing Silicon Nitride platforms at the package and system level. • Address opto-mechanical constraints, managing the interface between high-index-contrast SiN waveguides, fibers, and laser sources. • Partner with mechanical and thermal teams to manage the unique thermal expansion and mechanical stress profiles of integrated SiN-semiconductor systems. • PROCESS DEVELOPMENT & MANUFACTURING • Develop and refine wafer-scale fabrication processes for high-quality, low-loss Silicon Nitride films (including LPCVD/PECVD deposition, CMP, and high-temperature annealing). • Optimize critical etching processes (RIE/ICP) to achieve ultra-smooth waveguide sidewalls and precise phase control. • Apply Design for Manufacturing (DFM) principles tailored to photonic foundry capabilities and limitations. • Partner with commercial semiconductor foundries, OSATs, and contract manufacturers to transfer and scale SiN process flows. • YIELD, RELIABILITY & VALIDATION • Analyze film stress, thickness uniformity, and defect density to mitigate cracking and maximize wafer-level yield. • Investigate process variability and resolve production bottlenecks at the foundry level. • Define and execute validation plans for integrated SiN optical assemblies, ensuring long-term reliability and power handling capability.