Research activities
Research interests: I am mostly interested in designing signalling schemes and digital signal processing techniques applied to optical fiber communication systems and optical fiber sensors.
- Digital signal processing for optical fiber communications
- Power margin reduction in optical transmission systems
- Novel interrogation techniques of optical fiber sensors (mainly for distributed acoustic sensing (DAS) applications)
Open positions
- August 2025: Open PhD position on Machine Learning for Distributed Acoustic Sensing in the frame of the ANR SAFER project.
- August 2025: Open Postdoctoral fellowship on Machine Learning for Distributed Acoustic Sensing in the frame of the CIEDS FIBROUS project.
- August 2025: Open Postdoctoral fellowship on Novel Distributed Sensing Schemes for Optical Fiber Networks in the frame of the ANR SAFER project.
Current Supervised Research and Collaborations
- PhD students
- Pierre Pruvost: PhD student started February 2025, Topic: Enhancing Distributed Acoustic Sensing over Optical Fiber Networks. Jointly supervised with Yves Jaouën.
- Diane Prato: PhD student started February 2025, Topic: Distributed Acoustic Sensing to Enhance the Security of Infrastructures. Jointly supervised with Renaud Gabet.
- Yiyang Bai: PhD student started November 2024, Topic: Mathematical Modeling of an Integrated Sensing and Communication System. Jointly supervised with Michèle Wigger.
- Isaia Andrenacci: PhD student started July 2022, Topic: Modeling transmission properties in optical networks using artificial intelligence. Jointly supervised with Stéphan Clémençon, Ekhiñe Irurozki, as well as Petros Ramantanis and Matteo Lonardi from Nokia.
- Louis Tomczyk: PhD student started April 2022, Topic: Enhanced monitoring solutions for optical fiber networks. Jointly supervised with Cédric Ware. The project is sponsored by BPI France in the frame of the Celtic-Next AI-NET project.
- Interns and Visiting Researchers
- Mehran Mokhtari: Master thesis, Jun 2025 - Nov 2025. Topic: Study Polarization effects in Distributed Sensing Systems.
- Rafaël Deljehier: Bachelor project, Jun 2025 - Jul 2025. Topic: Polarimetric measurements and electrical-driven polarization controllers.
- Hasan Awad: Visiting PhD student, Feb 2025 - Jul 2025. Topic: Comparison of DAS and forward-based SoP measurements.
Former Students and Collaborations
- PhD students
- Henrique Pavani Pereira Ramos: PhD student, Apr 2023 - Apr 2024, Topic: Distributed Acoustic Sensing on Optical Telecom Fibers: Impact of Laser Coherence and Classification Challenges. Jointly supervised with Christian Dorize and Renaud Gabet. Henrique joined the Brazilian Center for Research in Energy and Materials (CNPEM).
- Jingtian Liu: PhD student, Nov 2020 - Feb 2024, Topic: Shaping for non-linear effects in optical fiber communications. Jointly supervised with Yves Jaouën. The project is sponsored by Huawei Research France. Jingtian Liu joined X'ian University of Posts and Telecommunications as an Assistant Professor.
- Xiaoyan Ye: PhD student, Nov 2020 - Dec 2023, Topic: Machine learning for optical fiber communications. Jointly supervised with Yves Jaouën, and Amirhossein Ghazisaeidi from Nokia Bell Labs. Xiaoyan Ye joined the University of Cambridge as a post-doctoral fellow.
- Alix May: PhD thesis, Nov 2019 - Apr 2023, Topic: Enhanced monitoring and anomaly detection schemes in optical fiber networks. Jointly supervised with Philippe Ciblat, and Fabien Boitier and Petros Ramantanis from Nokia Bell Labs. Alix joined Nokia Bell Labs as a research engineer after defending her thesis.
- Sterenn Guerrier: PhD thesis, Jan 2019 - Jan 2022. Topic: Distributed acoustic sensing. Jointly supervised with Christian Dorize and Renaud Gabet. Sterenn joined Nokia Bell Labs as a research engineer after defending her thesis.
- Arnaud Dumenil: Master thesis Mar 2016 - Sep 2016, then PhD thesis, March 2017-March 2020, jointly supervised with Cyril Méasson. Topic: Designing 4D modulations for polarization-multiplexed optical fiber communications. Arnaud joined Nestwave as a research engineer after defending his thesis.
- Interns
- Alice Guillaume Manca: Master thesis, Jun 2021 - Aug 2021. Topic: Equalization schemes in IM-DD systems for free-space optical communications.
- Jingtian Liu: Master thesis, Mar 2020 - Sep 2020. Topic: Equalization schemes in IM-DD systems for access networks. Currently doing a PhD with Yves Jaouën and myself.
- Wendy Tomboza: Master thesis, Mar 2019 - Sep 2019. Topic: Distributed acoustic sensing. Currently doing a PhD jointly with Safran and CEA.
- Osama Barakat: Master thesis, Mar 2016 - Sep 2016. Topic: Enhancing ENoB in high speed DACs/ADCs for optical communications. Now working as research and development engineer at Huawei Technologies France.
- El Mehdi Amhoud: Master thesis, Mar 2015 - Sep 2015. Topic: Mode selection in spatial division multiplexed systems. Now Assistant Professor with Mohammad VI Polytechnic University, Morocco.