Strong experience with silicon photonics PICs, optical transceivers, optical engines, high-speed DSP-based links, CPO/OCI architectures, LPO/LRO/XPO optical systems, and AI/datacenter optical interconnect architectures. Direct experience with 400G, 800G, and 1.6T optical systems, PAM4 modulation, high-speed Rx/Tx characterization, switch-level interoperability testing, firmware and EEPROM validation, BER/TDECQ/RIN measurements, receiver sensitivity testing, and wafer-level optical characterization.