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Sr. Engineer, Photonics Device Design

Ayar Labs•San Jose, CA
•$170,000 - $220,000•Onsite

About The Position

Ayar Labs is hiring a photonics design engineer to design, simulate, and characterize integrated photonic components for its co-packaged optics solution and optical I/O product roadmap. The role includes contributing to product tape-outs, developing compact models from measurement data, and building design and analysis tools and infrastructure used by the team. The engineer will work with colleagues in packaging, laser, circuits, and firmware to translate system requirements into device specifications. The role also involves using foundry process data to assess design margins, supporting design-for-manufacturability, and contributing to yield improvement. This is an on-site position in San Jose.

Requirements

  • B.S. or equivalent experience in Electrical Engineering, Optical Engineering, Physics, or a related field.
  • At least 2 years of experience in silicon photonics or integrated photonic device design, through research or commercial work.
  • Solid understanding of photonic device physics, including waveguides, couplers, gratings, and micro-ring resonators.
  • Experience with simulation tools for passive optical devices, such as FDTD or mode solvers.
  • Python skills and experience writing structured code in a team environment.
  • Ability to connect simulation to measurement by designing, characterizing, and iterating on device performance.

Nice To Haves

  • M.S. or Ph.D. with a focus on integrated photonics.
  • Experience contributing to PIC tape-outs on a standard silicon photonics platform, such as AIM Photonics, GlobalFoundries, imec, or similar.
  • Experience designing or characterizing electro-optic devices, such as micro-ring modulators or photodetectors.
  • High-speed test experience, including BERT, VNA, or wafer-level characterization.
  • Statistical analysis of device or process data and experience with DOE methods.
  • Familiarity with optical transceiver principles and co-packaged optics architectures.
  • Demonstrated use of AI tools to achieve meaningful productivity gains in design or analysis workflows, such as device optimization or AI-assisted code development.

Responsibilities

  • Design passive integrated photonic components, including couplers, gratings, and micro-ring resonators, in the context of system requirements.
  • Plan test vehicles, use measurement data to refine simulation models, and iterate on device performance toward roadmap targets.
  • Contribute to the design and analysis codebase, including simulation automation, layout scripts, and data analysis tools.
  • Collaborate with packaging, laser, circuits, and firmware colleagues to understand system requirements and translate them into device specifications.
  • Use foundry process data to assess design margins, contribute to design-for-manufacturability, and support yield improvement on new device designs.

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