We are looking for a motivated PhD candidate to join our research group at the Instituto de Óptica (CSIC), Madrid, to work on:

Advanced Pulse Modulation Formats for Distributed Optical Fibre Sensing The PhD will focus on developing next-generation Distributed Acoustic Sensing (DAS) systems, combining advanced optical modulation, high-bandwidth optoelectronics, signal processing, simulations, and experimental work.

The research will be closely connected to the FERMAT project, including exciting real-world applications such as seismic monitoring and tsunami early warning using submarine telecommunication cables.

We are looking for candidates with:

- A background in Physics, Telecommunications, Electrical/Electronic Engineering, Computer Engineering, or related fields
- An MSc in Photonics or a related field
- Interest in optical communications, fibre-optic sensing,



signal processing and experimental photonics
- Programming skills (Python, MATLAB, C++, or similar)

Location: Instituto de Óptica (CSIC), Madrid, Spain

Duration: 4-year PhD contract

Gross annual salary: €25,456

Expected start: before 15 December 2026

Important eligibility requirement: To be eligible for this contract, candidates must first be registered in the CSIC employment pool (Bolsa de Trabajo).

The application window is very short. Interested candidates are strongly encouraged to complete the required registration and contact us within the next few days.

For further information, please contact me at [email protected]

Please share with anyone who might be interested!

📌 Doctoral Student (Madrid)
🏢 Instituto de Óptica \
📍 Madrid