Edge-Emitting Telecom Laser Design Engineer

Coherent Corp.; Zürich; On-site; CHF 140,000 - 190,000; Full time

Job summary

Coherent Corp. Zurich is seeking a Semiconductor Laser Diode Engineer to design and optimize edge-emitting lasers for next-generation telecom applications.

You will lead end-to-end laser chip design, defining epitaxial structures and performance targets while driving reliability improvements and cost efficiency. You will work closely with cross-functional teams, apply advanced simulation and data-driven optimization, and validate designs through experimental collaboration with engineering and

Qualifications

• PhD or equivalent in a closely related field (Physics, Optics, Electrical Engineering).
• Experience in semiconductor laser physics and telecom laser diode design, including epitaxial structure, optical mode engineering and reliability improvements.

Responsibilities

• Lead end to end laser chip design activities, owning device architecture and reliability evaluation from concept to release.
• Drive innovation in semiconductor laser design through simulation, modelling, and data-driven optimization.
• Oversee experimental validation with engineering and manufacturing teams to ensure scalable and manufacturable designs.
• Lead root cause analyses and implement corrective actions to improve device performance and yield.
• Perform electro-optical characterization and reliability assessments to ensure product quality and robustness.

Skills

Semiconductor laser design

Edge-emitting laser optimization

Simulation and modelling

Data analysis and programming

Root cause analysis

Cross-functional collaboration

Education

PhD in Physics/Optics/Electrical Engineering

Tools

Simulation software

Electro-optical characterization tools

Job description

Coherent Corp. Zurich is seeking a Semiconductor Laser Diode Engineer to design and optimize edge-emitting lasers for next-generation telecom applications.

You will lead end-to-end laser chip design, defining epitaxial structures and performance targets while driving reliability improvements and cost efficiency. You will work closely with cross-functional teams, apply advanced simulation and data-driven optimization, and validate designs through experimental collaboration with engineering and