Postdoc openings

• • Post-doc - Material removal using ultrashort engineered laser beams

    Start: August 2025

    Duration: 12 months +

    Location: Laboratoire Hubert Curien, Université Jean Monnet (UJM), St-Etienne, France

    Application deadline : 15^th March 2025

    Interested candidates should send a CV + cover letter +  letter of recommendation to:

    • Dr Razvan Stoian  razvan.stoian @ univ-st-etienne.fr  
    • Dr X. Sedao  xxx.sedao @ univ-st-etienne.fr 

    The activity will focus on the achievement of high precision, control, and accuracy in structuring surfaces on extreme scales with pattern flexibility and in selectively removing residual coatings.

    Download the detailed offer here

    Published on January 22, 2025

    
    
    

  • Post-doc in advanced ultrafast laser beam engineering and processing

    

    Start: October 2023 at the earliest

    Duration: 24 months

    Location: Laboratoire Hubert Curien, Université Jean Monnet (UJM), St-Etienne, France

    Interested candidates should send a CV + cover letter + recommendation letters by e-mail to both:
    

    • Dr. Sedao   xxx.sedao @ univ-st-etienne.fr 
    • Dr. Razvan Stoian  razvan.stoian @ univ-st-etienne.fr 

    The project seeks to investigate the possibilities of femtosecond (fs) laser processing to enable a new methodology for optical substrates dicing.

    Dowload the file here: «Hiring announcement post-doc_labo Hubert Curien.pdf» (146.2 Ko)

    Published on August 23, 2023

    
    
    

  • Post-doc: Modeling of nonlinear propagation of ultrafast laser pulses inside semiconductors

    Start date: as soon as possible

    Duration: 2 years

    Location: Laboratoire Hubert Curien (Saint-Etienne, France).

    The postdoc will work in the framework of an international project funded by French National Research Agency (ANR) in collaboration with the Institute of Applied Physics, Jena, Germany. The Laboratoire Hubert Curien is jointly run by the CNRS (The French National Center for Scientific Research) and Jean Monnet University.

    Objectives: The objective of the postdoc project is to develop a computationally efficient model of a femtosecond laser pulse propagation inside semiconductors such as Si and GaAs. It will be then used to plan and interpret experiments on laser energy deposition in the volume of semiconductors, performed in Germany. The final goal is to better understand and optimize the highly-precise three-dimensional modification of semiconductors, widely used in micro-electronics industry. 

    Research program:

    • Semiconductor Bloch Equations (SBE) will be used to model electron excitation and relaxation processes after the interaction with an ultrafast infrared laser pulse.
    • Unidirectional Pulse Propagation Equation (UPPE) will be coupled with SBE to describe the nonlinear propagation and estimate the absorbed laser energy.

    Keywords: SBE, UPPE, nonlinear optics, ultrafast laser pulse, semiconductors, simulation, theory

    Qualifications: The candidate should hold a PhD in physics or closely related field. The candidate must have academic records/publications in the field of laser-matter interaction and nonlinear optics. Additional programming skills (Python, Fortran, Matlab, Julia, etc.) are requested.

    How to apply: Interested candidate should send a CV and a short cover letter to:

    • Dr. Elena Kachan (elena.kachan@univ-st-etienne.fr)

    Download the offer here (PDF file)

    ________________________

    Note: All employment at the Hubert Curien Laboratory is decided on the sole basis of qualifications, competence, integrity and organizational need. All are encouraged to apply to job openings regardless of their origin, identity, health, beliefs and orientations.

    Published on September 17, 2026

    
    
    

  • Post-doc: POTATOES project

    

    Start date: November 2025 at the latest.

    Duration: 18 Months

    Location: MatéIS laboratory, I2B team (Laënnec campus, Lyon), with Laser irradiation campaigns taking place at Laboratoire Hubert Curien (Saint-Etienne).

    The position is offered within the framework of the POTATOES project, which brings together the Hubert Curien (Saint-Etienne) and MatéIS (Lyon)  laboratories. The aim of this project is to study the adaptation of a bacterial population to surfaces textured by ultrashort LASER irradiations.

    Required candidate profile and experience:

    • Notions of biology, particularly microbiology

    • Fluorescence microscopy, confocal microscopy

    • Electron microscopy (SEM)

    • Image analysis.

    Consult and download the detailed offer:  French version / English version

    Information and application: Applicants should send a CV and cover letter to  Christelle Der-Loughian

    Note: All employment at the Hubert Curien Laboratory is decided on the sole basis of qualifications, competence, integrity and organizational need. All are encouraged to apply to job openings regardless of their origin, identity, health, beliefs and orientations.

    Published on July 16, 2025

    
    
    

  • Post-doc: Ultrafast laser nanostructuring of titanium implant surfaces for dual antibacterial / biocompatible nanopatterns

    Start date: 1st January 2027

    Duration: 24 months

    Application deadline: 15th November 2026

    Location: Laboratoire Hubert Curien (UMR CNRS 5516), Université Jean Monnet, Saint-Étienne, France. Regular exchanges with LTDS (École Centrale de Lyon) and SAINBIOSE (Saint-Étienne) are anticipated.

    The postdoc will work in the framework of the BLAST project (“Fighting Bacteria with ultrafast LAser fabrication of sharp nanoSTructured surfaces”), funded by the French National Research Agency (ANR, appel à projets générique AAPG2025, PRC scheme). BLAST is a 48-month collaboration coordinated by Dr. Virginie Dumas (LTDS, École Centrale de Lyon) and gathering LabHC (Université Jean Monnet – CNRS) and SAINBIOSE (Université Jean Monnet – INSERM). LabHC is jointly run by the CNRS (French National Center for Scientific Research) and Jean Monnet University.

    Objectives :  The postdoc will lead the experimental effort of Work Package 1, aiming to control, by femtosecond laser processing, a diverse array of self-organized nanopatterns on titanium alloy (Ti6Al4V) surfaces of medical interest. The objective is twofold: engineer a mechano-antibacterial surface covered with high-aspect-ratio nanospikes (typically 20-200 nm wide, 100-600 nm high, density ~100 peaks/μm²) able to perforate bacterial cell walls, while preserving or enhancing the biocompatibility required for implant integration. This dual antibacterial and biocompatible functionality, obtained with a single femtosecond laser process, is the central challenge of BLAST.

    Keywords: Femtosecond laser, ultrafast laser-matter interaction, LIPSS, polarization shaping, nanostructuring, titanium alloy, antibacterial surfaces, biomimetic implants, AFM.

    Qualifications :
    We are seeking a highly motivated candidate with an experimental background in ultrafast laser-matter interaction or laser surface engineering. The candidate should:

    • Hold a PhD in physics, materials science, optics/photonics or a closely related field.
    • Have hands-on experience with ultrafast laser processing and optical setups (interferometry, polarization control).
    • Have experience with surface characterization techniques (AFM and/or SEM).
    • Experience with electromagnetic simulations (FDTD) or with data analysis/programming (Python, Matlab) is an asset.
    • Have a record of peer-reviewed publications in laser-matter interaction, nanophotonics or surface engineering.
    • Be comfortable working in a collaborative, multi-partner research environment (LabHC, LTDS, SAINBIOSE).

    How to apply:

    Interested candidates should send a CV and an optional short cover letter to both:

    • Prof. Jean-Philippe Colombier  jean.philippe.colombier @ univ-st-etienne.fr
    • Sedao  xxx.sedao @ univ-st-etienne.fr

    Download the detailed offer here

    ________________________

    Note: All employment at the Hubert Curien Laboratory is decided on the sole basis of qualifications, competence, integrity and organizational need. All are encouraged to apply to job openings regardless of their origin, identity, health, beliefs and orientations.

    Published on September 18, 2026

    
    
    

  • Post-doc: Ultrafast Laser Structuring for Optical Metasurfaces

    Start: September-November 2025

    Duration: 1 year

    Location: Laboratoire Hubert Curien, Université Jean Monnet (UJM), St-Etienne, France

    Application deadline : July 1st, 2025.

    Main objective: Develop and implement a novel self-adaptive ultrafast laser surface structuring methodology for creating multispectral metamaterials with low detectability across visible and infrared wavelengths. This involves the design, fabrication, in-situ characterization, and optimization of hierarchical surface structures on metallic substrates.

    Interested candidates should send a CV + a short cover letter to both:

    • Pr. Jean-Philippe Colombier Jean.philippe.colombier @ univ-st-etienne.fr 
    • Dr Florent Bourquard  florent.bourquard @ univ-st-etienne.fr 

    Download the detailed offer here

    Published on April 23, 2025