Lightmatter · 19 hours ago
Photonics Characterization, Temp
Boston, MA
Internship
Hybrid
Intern, Entry Level
$53/hr - $65/hrLightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The company is looking for a PhD candidate who can work in Photonics Characterization with a strong understanding of Silicon Photonics and experience in electro-optic testing of components. The ideal candidate will leverage hands-on laboratory experience and develop automated testing using Python scripting.
AI InfrastructureArtificial Intelligence (AI)Data CenterMachine LearningSemiconductorSoftware
Responsibilities
Participate in electro-optic testing of photonics chips/devices, leveraging hands-on laboratory experience and working with various optical instruments
Conduct tests and characterization of silicon photonics components, including micro-rings, optical phase shifters, and Mach-Zehnder interferometers
Operate a range of optical equipment such as lasers, electro-optic modulators, semiconductor optical amplifiers, PIN receivers, optical spectrum analyzers, optical vector analyzers, and optical filters
Utilize semiconductor test equipment, including vector network analyzers, spectrum analyzers, source-meter units, arbitrary waveform generators, and high-speed oscilloscopes
Design and execute testing protocols for silicon photonics chips and subsystems
Develop and implement automated testing and system interfacing through Python scripting
Qualification
Required
Recent PhD graduate OR PhD candidate in Photonics with a strong understanding of Silicon Photonics and demonstrated experience in electro-optic component testing
Experienced in developing and implementing automated testing systems using Python scripting, with a proven ability to translate data into actionable strategies
Highly analytical, process-oriented, and capable of working independently to solve complex, non-obvious technical problems in a lab environment
Excellent written and verbal communication skills
Preferred
Microcontroller programming
Experience with high speed instruments
High speed communications and understanding of VNA and optical link
Understanding of high speed PCBs and/or micro electronics
Experience working in a graduate level photonics or electrical engineering lab
Willingness and curiosity to learn from an exciting team!
Benefits
Comprehensive Health Care Plan (Medical, Dental & Vision)
Retirement Savings Matching Program
Life Insurance (Basic, Voluntary & AD&D)
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 (applicable to full-time employees)
Company
Lightmatter
Lightmatter develops photonic chips that enable data processing and communication using light instead of electricity.
Founded in 2017
201-500 employees
H1B Sponsorship
Lightmatter has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (21)
2024 (12)
2023 (5)
2022 (4)
2021 (4)
2020 (4)
Funding
Current Stage
Late StageTotal Funding
$822MKey Investors
T. Rowe PriceViking Global InvestorsGoogle Ventures
2024-10-16Series D· $400M
2023-12-19Series C· $155M
2023-05-31Series C· $154M
Leadership Team
Nicholas Harris
Founder, CEO
B
Bob Turner
Sr. VP Sales & Solution Architecture
Recent News
2025-11-23
2025-10-09
Company data provided by crunchbase