Laser Design Engineer

Lumentum Operations LLC

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Japan - Sagamihara Until 8/22/2026 H-1B sponsor history First posted February 14, 2026 Last posted February 14, 2026
Job description

It's fun to work in a company where people truly BELIEVE in what they're doing!
We're committed to bringing passion and customer focus to the business.

If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us!

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.

Expected Skill:

  • Knowledge of compound semiconductor such as InP material system and material physics.
  • Experience of semiconductor laser design and development with at least 1-2 years’ experience.
  • Experience of product design for yield improvement and cost reduction of semiconductor laser diode
  • Knowledge of semiconductor device reliability
  • Fluent Japanese speaker and intermediate English skill
  • Basic PC skills, such as MS Excel, PowerPoint, and Word

We are an equal opportunity employer and value diversity at our company.

We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status.

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment.

Please contact us to request accommodation.

About this role

Summary

Designs and develops semiconductor lasers, improves yield, reduces costs, evaluates chips, and reports results.

Job title

Laser Design Engineer

Experience level

6+ years (Bachelors) or 4+ years (Masters)

Industry

semiconductor

Location requirements

Japan - Sagamihara, on-site work only

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

compound semiconductorInPsemiconductor laser designproduct designreliabilityJapaneseEnglishMS ExcelPowerPointWord

Preferred skills

None specified

Specializations

semiconductor laserDFB laserEMLInPlaser design
Locations

Structured locations inferred from the posting.

Sagamihara, Kanagawa, Japan

On-site City