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← Lightmatter

Sr Staff Integrated Photonics Laser Systems Architect

Lightmatter · Boston, MA; Mountain View, CA · Boston, MA · Mountain View, CA · Toronto, ON

Infrastructureonsitestaff$212k–$320k
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At a glance

Highlights

  • Define Guide laser platform supplying multi-wavelength power for AI interconnects.
  • Own Data-SOA amplifier architecture boosting modulated signals in optical links.
  • Shape next-gen 3D-stacked photonics engine connecting processors at light speed.

What they offer

  • Comprehensive Health Care Plan (Medical, Dental & Vision)
  • Retirement Savings Matching Program
  • Life Insurance
  • Generous Time Off (Vacation, Sick & Public Holidays)
  • Paid Family Leave
  • Short Term & Long Term Disability
  • Training & Development
  • Commuter Benefits
  • Flexible, hybrid workplace model
  • Equity grants

Ideal candidate

Seasoned photonics innovator who loves owning complex laser systems end-to-end and collaborating across disciplines to shape breakthrough AI infrastructure.

Requirements

  • PhD in Photonics, Electrical Engineering, Applied Physics or related technical field
  • 8+ years hands-on experience in optical devices, PICs and semiconductor physics
  • Expertise in semiconductor optical amplifiers in datacom links including gain and WDM effects
  • Solid foundation in semiconductor laser physics alongside silicon photonics integrated circuits
  • Experience with wavelength locking, thermal tuning and power-control loops
  • Experience with silicon photonics circuit simulations
  • Experience taking products into high-volume manufacturing including reliability qualification
  • Demonstrated technical leadership of a cross-functional team

Lab profile

About Lightmatter

Building 3D-stacked photonics engines connecting AI processors at light speed for data centers.

What they build

  • Passage™ 3D-stacked photonics engine
  • Photonic interconnects for AI / HPC data centers

Known for

  • Silicon photonics
  • 3D-stacked packaging
  • High-speed analog / mixed-signal design
  • Electro-optic systems

Key facts

  • Raised $400M Series D
  • $4.4 billion valuation
More about Lightmatter →
Apply on the lab’s site ↗

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