Xanadu

Photonics Test Engineer - TFLN Platform

Xanadu$110K — $140K *
Telecommunications & Hardware
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • MSc degree in Electrical Engineering, Physics, or related field.
  • 1+ years experience in testing or product engineering for electro-optical devices/circuits.
  • Detail-oriented with systematic experimentation skills to minimize errors.
  • Strong understanding of TFLN properties and physics of active photonic devices.
  • Experience testing integrated photonic devices at chip and wafer scale.
  • Proficient in Python for instrument control and familiar with standard lab equipment.
  • Ability to manage fast-paced workloads and competing priorities.

Responsibilities

  • Architect and develop test procedures for active optical devices.
  • Drive comprehensive characterization for electro-optic components, focusing on TFLN.
  • Interface with design and fabrication teams to align testing strategies.
  • Define and implement measurement routines, analyzing performance data.
  • Plan testing activities alongside development teams for scaling procedures.
  • Evaluate and optimize emerging test methodologies in photonics.

Benefits

  • Eligible for equity participation in the company.
  • Access to comprehensive health and wellness programs.
  • Opportunities for professional development and continuing education.
  • Flexible work arrangements to support work-life balance.
Full Job Description
Your role and responsibilities: As a Photonics Test Engineer, you will drive the characterization of our active optical devices and serve as a key technical expert for our thin-film Lithium Niobate (TFLN) platform. In this highly collaborative and dynamic role, you will bridge the gap between R&D and manufacturing by designing complex test architectures and scaling them for the future. • Architect and develop advanced experimental test procedures, assembling and automating the necessary hardware to characterize active optical devices. • Drive the comprehensive characterization of various electro-optic components-with a primary focus on the thin-film LN platform-including electro-optic modulators (EOMs), tunable phase shifters, and beam splitters within our Photonic Integrated Circuits (PICs). • Directly interface with the design, fabrication, instrumentation, and tooling teams to align, define, and execute strategic roadmaps toward successful device characterization. • Define rigorous measurement and qualification routines for our devices, acting as the central hub for analyzing performance data and exchanging actionable insights with company stakeholders. • Plan and execute our roadmap for testing activities in lockstep with development teams, keeping a strong vision toward future production requirements and scaling test procedures from the lab to High-Volume Testing. • Evaluate emerging test methodologies in the photonics space and continuously optimize our characterization capabilities within a dynamic and challenging professional environment. Basic qualifications and experience: You must possess the below minimum qualifications to be initially considered for this position. Preferred qualifications are in addition to the minimum requirements and are considered a plus factor in identifying top candidates. • MSc degree in Electrical Engineering, Physics, or related field. • 1+ years experience as a testing or product engineer of electro-optical devices and/or circuits products/wafers in a professional setting. • Extreme attention to detail and a systematic approach to experimentation, with a focus on minimizing both systematic and statistical errors. • Deep understanding of the characteristic properties of the TFLN as a material and the physics governing active photonic devices in this platform. • Proven experience testing integrated photonic devices (EOMS, phase shifter etc.) at both chip and wafer scale. • Performed high-frequency characterization and bias drift analysis on integrated modulators. • Proficiency in Python for instrument control and experience with standard lab equipment (SMUs, OPMs, Oscilloscopes, VNAs, LCR meters). • Experience handling complex experimental datasets, including fitting to models, refining simulations, and performing rigorous error analysis. • Ability to operate independently in a fast-paced environment and manage multiple competing priorities. Preferred qualifications and experience: • Ph.D. thesis in the field of electro-optical characterization of semiconductor devices. • 2+ years experience as a testing or product engineer of electro-optical devices • Practical experience with ISO 17025/9001 frameworks, specifically regarding measurement traceability and the creation of Uncertainty Budgets. • Proficiency in Gauge R&R and ANOVA to validate test station stability and isolate device performance from setup-induced noise. • Experience working with commercial test solutions (e.g., FormFactor, Ficontec, MPI) and scaling R&D procedures for production environments. • Understanding of sources of loss in photonic devices and their relation to fabrication processes. • Experience in TCAD/COMSOL simulations for semiconductor devices to correlate physical models with experimental data. This is for a new position. Your base salary will be determined based on your location, experience, and internal benchmarks. The base salary range is 110,000 - 140,000 CAD. You will also be eligible for equity and benefits.

About Xanadu

Xanadu Quantum Technologies is a Canadian quantum computing hardware and software company headquartered in Toronto, Ontario. The company develops cloud accessible photonic quantum computers and develops open-source software for quantum machine learning and simulating quantum photonic devices.
Learn more about Xanadu

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