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← Lightmatter

Photonics Characterization Intern- Winter 2026

Lightmatter · Boston, MA

CHECKED 15H AGO

Infrastructureonsiteintern$110k–$135k
Apply on the lab’s site ↗

At a glance

Highlights

  • Test photonics chips powering AI data centers at the speed of light.
  • Help advance the world's first 3D-stacked photonics engine, Passage.
  • Design testing protocols for next-gen silicon photonics chips and subsystems.

What they offer

  • Comprehensive health care plan (medical, dental & vision)
  • Retirement savings matching program
  • Generous time off and paid family leave
  • Life insurance and short/long-term disability coverage
  • Training & development and commuter benefits
  • Equity grants for full-time employees

Ideal candidate

A curious, analytical recent PhD who loves hands-on lab work and solving complex problems independently, eager to turn experimental data into real progress for future computing with light.

Requirements

  • Recent PhD graduate or PhD candidate in Photonics, Electrical Engineering, Physics or related field
  • Strong understanding of silicon photonics and electro-optic testing experience
  • Hands-on laboratory experience with optical and semiconductor test equipment
  • Skilled in developing automated testing using Python scripting
  • Highly analytical, process-oriented and able to work independently
  • Excellent written and verbal communication skills

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 ↗