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Senior Laser Design Engineer
il y a 2 semaines
At NcodiN, we are redefining the future of AI computing. Our breakthrough optical interposer shatters the limits of system integration, enabling the next generation of AI processors to scale beyond the copper wall. With the world's smallest laser integrated on silicon, we unleash the full potential of AI, setting a new industry standard for performance and efficiency.
Joining NcodiN today means becoming part of a bold, fast-growing company backed by industry leaders. We offer a dynamic environment where autonomy, creativity and innovation thrive. Here, respect, meritocracy, and team spirit drive success, ensuring that every individual grows while we push technology forward together.
As we scale rapidly, we are looking for visionary, adaptable minds ready to pioneer new solutions and shape the future of AI. If you thrive in a fast-paced, high-impact environment, join us and be part of the revolution.
Job description :
Location : 42 Cours Pierre Vasseur, 91120 PALAISEAU, France
Start date: March 2026
Contract: Full-time (CDI)
We are seeking a talented engineer with expertise in semiconductor laser diodes. The role includes developing, optimizing, and deploying our integrated nanolaser R&D program. This role requires hands-on device development, technical depth, and close collaboration across internal teams.
Working under the Laser R&D Manager, you will own the technical execution of laser design projects — from high-level modeling and design rule definition to wafer-level validation and performance analysis — driving model-to-fab-to-test convergence through rigorous DOE campaigns and systematic data analysis.
This role establishes the design rules and learning loops that underpin NcodiN's integrated nanolaser technology, accelerating our path from concept to industrialization.
Key Responsibilities
1. Design and Modeling
- Use and refine in-house multiphysics design tools to generate and evaluate design options.
- Contribute to the development of high-level design rules linking device geometry, material properties, and performance targets.
- Design and execute design-of-experiment (DOE) strategies to validate hypotheses and accelerate convergence between simulation and experiment.
- Work with the Material department to specify epitaxial stacks matching the targeted performance specifications.
- Translate model outcomes into fabrication-ready design inputs aligned with process constraints and PDK conventions.
2. Characterization and Analysis
- Design and execute laser characterization campaigns, from test definition to data consolidation.
- Systematically measure key performance metrics (LIV, spectra, RIN, SMSR, modulation, thermal behavior).
- Maintain structured documentation of results, lessons learned, and performance evolution.
3. Continuous Improvement
- Capture experimental feedback to refine models, design rules, and tool calibration.
- Contribute to the technology watch on integrated laser design and testing methodologies.
- Extract design insights from DOE campaigns and batch results to improve next-generation designs
- Document design rules, measurement protocols, and model-to-fab correlation findings
Profile & Requirements
- PhD or MSc in Optoelectronics, Photonics, Physics, or Electrical Engineering
- More than 5 years experience in semiconductor laser design, including III–V device physics and laser dynamics
- Strong data analysis skills and familiarity with DOE methodologies
- Track record of converting model outputs and fab constraints into practical design rules
- Effective communicator with experience working across R&D, process, and test teams
Nice to Have
- Experience with integrated photonics and silicon photonics
- Wafer‑level test structure design and tape‑out experience
- Hands‑on experience with modeling and simulation tools for electromagnetic and semiconductor devices
You don't check all the boxes? Please submit an application anyway, we'll be happy to consider it.
Benefits
- Comprehensive Health Care Plan
- Life Insurance
- Meal vouchers
- Commuter Benefit (50% refund of public transportation pass)
- Generous Time Off (Vacation, Sick & Public Holidays)
- Flexible, hybrid workplace model
- Stock Option Plan
Actual pay will be based on several factors including work experience, location and education.
We strongly value a heterogeneous environment to bring perspective, experience and skills to the table, leading to innovation and creativity.
