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Role Overview You will design high-speed silicon photonic integrated circuits operating at the limits of bandwidth and integration, and take them from concept → tapeout → silicon validation. This role is suitable for strong PhD graduates through early-career engineers (~0–5 years experience) who want to work on real, production-bound systems, not just simulations. Roles & Responsibilities - Design and optimize silicon photonic devices and circuits, including: - High-speed modulators (MZI, ring, advanced structures) - Photodetectors and receiver building blocks - Passive components (couplers, filters, routing) - Perform multi-domain simulations (EM, circuit, thermal) to meet targets in: - Bandwidth (200G/lane+) - Insertion loss, extinction ratio, efficiency - Implement PIC layouts (GDS) using foundry PDKs and support tapeouts - Co-design with electronics and packaging teams for CPO/NPO systems: - RF effects, parasitics, signal integrity, and thermal constraints - Support silicon bring-up and characterization: - Correlate measurement vs simulation - Drive design iterations and improvements - Contribute to design libraries, modeling, and methodology development Requirements - Education - PhD in Electrical Engineering, Physics, or related field (silicon photonics or closely related area) - Experience - 0–5 years of relevant experience (including fresh PhD graduates) - Technical Skills - Experience in design and simulation of silicon photonic devices or PICs - Strong understanding of guided-wave optics and device physics - Familiarity with tools such as Lumerical, COMSOL, or equivalent - Implementation Skills - Exposure to PIC layout and tapeout flows (PDK, DRC/LVS) - System Awareness - Basic understanding of optical communication systems and/or RF effects Nice to Have - Experience with high-speed devices (>100 GHz bandwidth or equivalent) - Exposure to CPO/NPO or optical transceiver architectures - Familiarity with SiPh + III-V integration - Experience with inverse design / adjoint methods (e.g., Meep) Why Join Us - Work on real products at 200G/lane+, not just research prototypes - Direct impact on AI infrastructure and hyperscale systems - Fast iteration cycles from design → silicon → system - High ownership early in your career - Comprehensive benefits package including health insurance - Collaborative environment with world-class engineering and R&D teams