Photonics Characterization Intern- Winter 2026
Lightmatter · Boston, MA
CHECKED 15H AGO
Infrastructureonsiteintern$110k–$135k
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