Photonics Characterization Intern- Winter 2026
Lightmatter · Boston, MA
Infrastructureonsiteintern$110k–$135k
At a glance
Highlights
- Advance Passage™, the world's first 3D-stacked photonics engine for AI data centers.
- Test photonics chips that connect thousands of processors at the speed of light.
- Help eliminate data bottlenecks for next-generation AI and HPC workloads.
What they offer
- Comprehensive Health Care Plan (Medical, Dental & Vision)
- Retirement Savings Matching Program
- Generous Time Off (Vacation, Sick & Public Holidays)
- Paid Family Leave
- Short Term & Long Term Disability
- Training & Development
- Commuter Benefits
- Flexible, hybrid workplace model
Ideal candidate
Analytical PhD researcher who loves hands-on lab work and solving complex problems independently. Process-oriented, curious, and passionate about using light to advance AI computing.
Requirements
- Recent PhD graduate or PhD candidate in Photonics, Electrical Engineering, Physics or related field
- Strong understanding of Silicon Photonics and electro-optic component testing
- Experience developing automated testing systems using Python scripting
- Highly analytical, process-oriented and able to work independently in a lab
- Excellent written and verbal communication skills
- remote policy
- hybrid
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
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