Postdoc in Next-Gen Optical Communications & SDM

DTU - Technical University of Denmark; Kongens Lyngby; On-site; DKK 520,000 - 660,000; Full time

Job summary

DTU Electro in Denmark seeks a highly motivated researcher with a strong background in optical communications, DSP, and experimental analysis. You will develop and test next‑generation optical systems using WDM, SDM, multi-core fibres and microcomb-based approaches, employing MIMO processing to mitigate cross‑talk.

You will operate high‑bandwidth lab equipment, design transmission experiments, analyze results with DSP and MATLAB, and publish findings.

Qualifications

• PhD degree in optical communications, photonics, electrical engineering, or a related field.
• Strong research background in optical communication systems and digital signal processing.
• Experience with multi-core fibres, MIMO processing, or similar advanced communication techniques is an advantage.
• Knowledge of probabilistic shaping and coding methods within DSP.
• Familiarity with optical amplifiers, particularly semiconductor optical amplifiers.
• Strong analytical and problem-solving skills.
• Good programming and simulation skills (e.g., MATLAB).
• Excellent communication skills and ability to explain complex concepts clearly.
• Ability to work independently as well as collaboratively in a research environment.

Responsibilities

• Design, implement and experimentally validate next-generation optical communication systems.
• Investigate SDM technologies, including WDM, multi-core fibre and microcomb-based transmission.
• Operate and configure high-bandwidth laboratory equipment, including waveform generators and high-speed oscilloscopes.
• Set up, execute and troubleshoot optical transmission experiments independently.
• Characterize and optimize transmission performance, including cross-talk mitigation in multi-core systems.
• Process and analyze experimental data using DSP, MATLAB and other analysis tools.
• Optimize system parameters across optical and digital domains.
• Contribute to research on advanced, high-capacity optical communication technologies.
• Collaborate with researchers, document results, and communicate findings through reports and publications.

Skills

DSP experience

Optical communications

MIMO processing

MATLAB

Programming

Education

PhD in optical communications or related field

Tools

Laboratory instruments

Job description

DTU Electro in Denmark seeks a highly motivated researcher with a strong background in optical communications, DSP, and experimental analysis. You will develop and test next‑generation optical systems using WDM, SDM, multi-core fibres and microcomb-based approaches, employing MIMO processing to mitigate cross‑talk.

You will operate high‑bandwidth lab equipment, design transmission experiments, analyze results with DSP and MATLAB, and publish findings.