Coherent Optical Systems EngineerRole OverviewWe are seeking aCoherent Optical Systems Engineerto contribute to the design, development, characterization, and optimization of advanced coherent optical transceivers based on next-generation photonic integrated circuit (PIC) and digital signal processor (DSP) technologies.The successful candidate will work with early-stage PIC, DSP, and analog ASIC hardware to perform digital-optical integration, develop calibration and control methodologies, and conduct detailed system-level performance characterization.This role requires close collaboration across optical, digital, high-speed analog, ASIC, software, and systems engineering teams. A key aspect of the position is the ability to understand and balance optical, electrical, and digital system capabilities to optimize overall transceiver performance.Key ResponsibilitiesPerformdigital-optical integrationof next-generation coherent optical transceivers.Develop calibration and control algorithms to maximize system-level performance.Characterize coherent optical transceivers, including SNR, OSNR tolerance, sensitivity, and other key performance metrics.Conduct detailed experimental validation of transceiver sub-components, including analog, control, optical, and DSP components.Evaluate and troubleshoot interactions between optical, electrical, and digital components.Perform characterization and analysis of high-speed ADC/DAC performance, including ENOB and related parameters.Support hardware bring-up, integration, debugging, and performance optimization.Develop automated test, measurement,



and data-acquisition processes.Analyze experimental data and identify opportunities for system-level performance improvements.Collaborate with software, electronics, optics, ASIC, and systems engineering teams throughout product development.Contribute to technical decisions involving trade-offs between optical, electrical, and digital system performance.Skills and ExperiencePh.D. inElectrical Engineering, Applied Physics, or a related technical discipline, with experience in optical communications, photonics, high-speed electronics, or systems engineering.New Ph.D. graduates and experienced professionals are encouraged to apply.Strong understanding ofoptical communication systems, DWDM transmission, fiber transmission impairments, photonic integrated components, electronic integrated circuits, and signal processing.Hands-on experience working withoptical communication hardware and componentsat the system level.Strong understanding of coherent communication systems, includingQPSK, 16QAM, and 64QAM .Knowledge of coding andForward Error Correction (FEC)algorithms.Experience characterizing high-speed RF and/or mm-wave interconnects, amplifiers, and components.Experience with RF/mm-wave system characterization, includingS-parameter measurements, jitter measurements, ADC/DAC performance, and ENOB .Hands-on experience with high-speed optical and electrical test equipment.Experience with automated measurement equipment control and data acquisition.Programming experience withMATLAB, Python, VB.NET, C, or similar languages.Strong analytical, troubleshooting, and problem-solving skills.Ability to work effectively in a highly team-oriented, cross-functional engineering environment.#J-18808-Ljbffr

📌 Coherent Optical Systems Engineer (Varennes)
🏢 Huawei Canada
📍 Varennes