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Telecommunications and Photonics● OpenPreview

PhD in Mobile Optical Telecommunications & Signal Processing

Design advanced signal processing algorithms and Silicon-based Optical Phased Arrays for robust mobile free-space optical links.

Best for:Best for engineering graduates with a strong background in signal processing, optics, or numerical simulation seeking a structured doctoral research project.

Université Paris-Saclay · France · R1 · First-stage researcher
More professors at Université Paris-Saclay
Free-Space Optical CommunicationsSignal ProcessingOptical Phased ArraysNumerical SimulationAtmospheric Turbulence Compensation
Deadline
Nov 30, 2026
46 days
Funding
Salaried
CEA
Start date
2026-10-01
Fixed-term
Location
France
on-site

Overview

This PhD position at Université Paris-Saclay, hosted within the LETI Systems Department, focuses on free-space optical communications (FSO) in dynamic environments. The researcher will investigate Silicon-based Optical Phased Arrays and develop advanced algorithmic signal processing and compensation techniques to counteract atmospheric turbulence. Responsibilities include building a dedicated simulation framework to validate architectural choices and algorithms prior to experimental testing. The overarching objective is to enable uninterrupted, high-performance mobile optical communication across aerospace, space, and terrestrial applications.

FSOOptical Phased ArraysSignal ProcessingSilicon PhotonicsMobile CommunicationsSimulation Environment

What you'll do

  • Design high-performance and robust mobile optical communication architectures adaptable to disturbed environments.
  • Develop advanced algorithmic approaches for signal processing and atmospheric distortion compensation.
  • Build a dedicated simulation environment to evaluate and validate architectural and algorithmic strategies.
  • Prepare and conduct practical experiments to test integrated optical link performance.
  • Contribute to research dissemination through scientific publications and project reports.

Requirements

Degree required: Master's degree or equivalent in a relevant scientific or engineering discipline

Degree offered: PhD

Language: English or French proficiency as per institutional standards

Instruction: English / French

Required skills
  • Strong background in signal processing or numerical analysis
  • Familiarity with optical communication systems or related hardware
  • Proficiency in developing simulation environments and software modeling
  • Analytical problem-solving skills applied to dynamic environments
Nice to have
Experience with Free-Space Optical CommunicationsKnowledge of Silicon-based Optical Phased Arrays or LiDAR systems

Funding & terms

Type
Salaried
Amount
CEA
Duration
36 months
Programme
CEA
CEA

How to apply

Deadline: 2026-11-30

Submit your application through the official doctoral portal before the stated deadline, ensuring all required supporting documents are included.

Documents required
  • CV
  • Cover letter
  • Academic transcripts
↗Apply on site

Contact

François Dehmas· Supervisor

francois.dehmas@cea.fr

+33 4 38 78 66 73

https://www.linkedin.com/in/nicolasdelaunay/

FD
Prof.
François Dehmas
Département Systèmes (LETI)
Lab
Laboratoire Signal Protocoles et Plateformes Radio
Université Paris-Saclay
France
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