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Lightmatter

Photonic computing hardware for AI acceleration

Analog IC Design Engineer - High-Speed

Silicon & ASIC DesignConfirmed live in the last 24 hours
Full-timeToronto, ON, Canada

About the Job

Requirements

  • A master's degree with 6 or more years of industry experience, or a Ph.D. with 3 or more years of industry experience, focused on optical or wireline transceiver design.
  • Experience designing either gigahertz-speed radio-frequency or gigahertz-speed broadband analog systems.
  • Experience with transmitter/receiver equalization techniques and circuits.
  • Familiarity with serializer/deserializer architectures and implementations.
  • A solid understanding of CMOS device characteristics, noise, mismatch, linearity, and design trade-offs.
  • Experience with Cadence Design Environment.
  • Ability to work collaboratively with people across multiple functional areas.

Responsibilities

  • Support micro-architecture development with chip architects by conducting feasibility studies.
  • Collaborate with system, digital, analog, and photonics design engineering teams to define electrical requirements.
  • Design analog/mixed-signal blocks focused on transceivers and broadband circuits interfacing with silicon photonics elements.
  • Document design simulations and verifications for formal design reviews.
  • Drive block-level floorplan and mask design views, and review them.
  • Run post-layout and mixed-signal top-level simulations to validate integration.
  • Define production and bench-level test plans.
  • Validate circuit performance in the lab.

Desired Qualifications

  • Experience designing analog front-end blocks for transceiver circuits, such as trans-impedance amplifiers and transmitter drivers.
  • Knowledge of three-dimensional electromagnetic simulation tools.
  • Experience testing and validating high-speed analog/mixed-signal circuits.
  • Experience interfacing with silicon photonic modulators, such as Mach–Zehnder modulators and ring modulators.
  • A successful track record delivering analog/mixed-signal intellectual property on the first attempt while meeting tight schedules.

About the Company

Lightmatter

Photonic computing hardware for AI acceleration

Lightmatter develops photonic computing hardware that accelerates AI workloads using light-based processors. Its photonic supercomputers run AI tasks faster and use far less energy (about 10x faster and 90% less energy) than traditional electronic systems. The company differentiates itself by focusing on electro-photonic systems and practical AI acceleration for AI and autonomous vehicle workloads, working with universities and selling hardware, software licenses, and partnerships. Its goal is to bring scalable photonic computing to market so AI and self-driving applications can run faster, more efficiently, and at larger scale.

Company size
201-500
Company stage
Series D
Total funding
$822M
Headquarters
Mountain View, CA
Founded
2017

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