TFLN Team Intern – Process Development

Job Summary

Engineering role focused on photonic device fabrication, including process development and characterization to improve device optical performance and enable compact, low-power, and high-performance photonic microsystems. These devices are targeted towards broad application spaces, including sensing, communications, and computation.

NTT Research Inc. is a leader in cutting‑edge photonic technologies, driving innovation in telecommunications, optical computing, nonlinear optics, and quantum hardware. Our team is composed of world‑class scientists and engineers developing next‑generation optical systems; we aim to push the envelope at every level, from precision fabrication to system‑scale design. We are now seeking a highly motivated and technically strong process development intern to join our team and contribute to the advancement of technologies based on thin‑film lithium niobate (TFLN).

As a process development intern, you will be responsible for executing process experiments, characterizing process performance, and measuring integrated photonic devices. You will work closely with a multidisciplinary team to develop and improve the manufacturing capabilities that enable cutting‑edge TFLN devices.

• Execute standard fabrication steps and measurements.
• Design process experiments and analyze metrology data to improve performance.
• Support process development projects, depending on experience and length of internship. For example:
  • Optimization of unit processes on individual process equipment
  • Develop baseline processes for new metrology tools
  • Development of test vehicles to understand process interactions
  • Coordinate process evaluations with external vendors
• Document and communicate research findings.

• Exceptional candidates will be considered regardless of background.
• Hands‑on experience with process and/or metrology equipment in clean rooms.
• Knowledge of fabrication and metrology techniques (photonics, CMOS, MEMS, etc.).
• Coursework in Electrical Engineering, Applied Physics, Optics, or a related field.
• Strong analytical and problem‑solving skills.
• Excellent written and verbal communication.

• Background in photonics fabrication.
• Familiarity with photonic material platforms (e.g., silicon/silicon nitride photonics, lithium niobate, chalcogenide, III‑V semiconductors).
• Experience working with academic or industry foundries.
• Pursuing an M.S. or Ph.D. degree in a related field.
• Availability for 6+ month internship.

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