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Electrical Engineering● OpenPreview

PhD Position in Dispersion-Engineered Impedance Surfaces

Investigate advanced dispersion engineering for high-gain antenna architectures and spatial feeds.

Best for:Best for graduate students in electrical engineering with a strong background in electromagnetics and antenna design.

IUT LANNION (RENNES 1) · Lannion, France · R1 · First-stage researcher
More professors at IUT LANNION (RENNES 1)
Dispersion EngineeringAntenna DesignImpedance SurfacesElectromagneticsTransmitarrays
Deadline
Nov 30, 2026
46 days
Funding
Salaried
CEA contract
Start date
2026-10-01
Full-time
Location
Lannion
France

Overview

This PhD position offers a funded research opportunity focusing on dispersion engineering to control electromagnetic wave propagation in two-dimensional artificial structures. Based at the Laboratoire Antennes, Propagation, Couplage Inductif (LETI) in association with Université de Rennes 1 and CEA, the project aims to develop analytical formulations, numerical tools, and advanced antenna architectures such as transmitarrays and reflectarrays. The successful candidate will investigate periodic unit cells, true-time delay principles, and novel fabrication methods to overcome conventional narrowband limitations. The candidate is expected to publish research findings, design innovative hardware prototypes, and contribute to scientific advancements in high-gain antennas.

dispersion engineeringimpedance surfacesantenna designtransmitarraysreflectarrayselectromagneticsphase delaygroup velocity

What you'll do

  • Develop theoretical formulations and general models for phase and group velocity control in artificial surfaces
  • Design and simulate advanced antenna architectures utilizing periodic unit cells
  • Investigate spatial-fed architectures including transmitarrays and reflectarrays to mitigate dispersion-induced degradations
  • Explore alternative fabrication technologies to bypass standard printed circuit board constraints
  • Implement numerical tools and validate concepts through rigorous experimentation and measurement

Requirements

Degree required: Master's degree or equivalent in Electrical Engineering, Physics, or a related discipline

Degree offered: PhD

Language: English or French proficiency for professional collaboration and technical writing

Instruction: English / French

Required skills
  • Strong background in electromagnetic theory and wave propagation
  • Experience with numerical simulation tools for antenna or microwave engineering
  • Proficiency in analytical modeling of periodic structures or metamaterials
  • Demonstrated ability to conduct independent academic research and write technical reports
Nice to have
Prior research experience with transmitarrays or reflectarraysFamiliarity with advanced PCB fabrication technologies or microfabrication processesExperience in experimental antenna characterization and measurement techniques
Eligibility
  • Applicants must hold a relevant Master's degree or equivalent qualification accepted by the doctoral school

Funding & terms

Type
Salaried
Amount
CEA contract
Duration
36 months
Programme
CEA
CEA

How to apply

Deadline: 2026-11-30

Interested candidates should submit their application materials through the designated portal before the specified deadline, ensuring all required academic documents are included.

Documents required
  • CV
  • Cover letter
  • Master's transcripts
  • Recommendation letters
↗Apply on site

Contact

Orestis Koutsos· Supervisor

orestis.koutsos@cea.fr

0438784820

OK
Prof.
Orestis Koutsos
Département Systèmes (LETI)
Lab
Laboratoire Antennes, Propagation, Couplage Inductif
IUT LANNION (RENNES 1)
France
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