Laser Design Engineer

Lumentum
📍 Sagamihara, Kanagawa, Japan 💼 Full time 🕒 Posted June 04, 2026

Job Description

Job Description

Laser design engineer for InP semiconductor laser, especially for DFB laser and high-speed EML.

Responsibilities:

  • Develop new or enhanced laser design with semiconductor material physics, optical science and high-speed design technologies. 
  • Responsible for the stable volume production and the improvement of productivity
  • Product design of DFB laser and EML for yield improvement and cost reduction
  • Design and fabricate the necessary parts for evaluation, such as submounts, as needed.
  • Evaluate fabricate chips, analyze evaluation data and write reports of them.
  • Attend a meeting to explain and discuss the results.
  • Expected Background:

  • BSc, MSc, PhD degree in electronics, electrical engineering, physics, or a related equivalent technical field.
  • Bachelors and 6+ years of work experience, Masters and 4+ years of work experience. PhD. no relevant work experiences.
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    Job Details

    • Location Sagamihara, Kanagawa
    • Job Type Full time
    • Category Engineers
    • Posted Date June 04, 2026
    • Application Deadline July 14, 2026