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29 Jul 2026 Job Information Organisation/Company Institute for the Sciences of Light / Institut d'Optique Graduate School Research Field Physics Researcher Profile First Stage Researcher (R1) Positions PhD Positions Application Deadline 21 Sep 2026

• 12:00 (Europe/Paris) Country France Type of Contract Temporary Job Status Full-time Offer Starting Date 1 Jan 2027 Is the job funded through the EU Research Framework Programme? Horizon Europe
• COFUND Marie Curie Grant Agreement Number 101177177 Is the Job related to staff position within a Research Infrastructure?

No Offer Description The LIGHTinPARIS programme has launched its 3rd call for PhD Fellowships with up to 6 fully funded positions starting on 1 January 2027 . The PhD projects on offer fall in the domain of the Institute for Sciences of Light (Université Paris-Saclay) covering photonics, optics, imaging, materials (chemistry), lasers, instrumentation, information, quantum technologies and more. The programme is cofunded by the European Union under Horizon Europe Marie Skłodowska-Curie Actions (MSCA) COFUND call and co-financed by Université Paris-Saclay and two non-academic partners IMAGINE OPTIC and ONERA. This is an announcement for one of the 10 PhD projects on offer. (Refer to https://euraxess.ec.europa.eu/jobs/449366 for the global announcement.) ELIXIR2 : ExpLoring Indirect eXcitons in Innovative 2D semiconductoR hetero-nanostructuRes (Description on Web page and PDF ) This project aims to investigate the photophysics of excitons in original assemblies and heterostructures of two-dimensional (2D) colloidal nanoplatelets. Using time-resolved Stark spectroscopy, we will investigate the dynamics of charge

• and energy
• transfer, exciton recombination and dissociation, while tuning the energy and coupling of the excitonic states.

The dynamics will be probed by photoluminescence spectroscopy using a picosecond streak camera and femtosecond transient absorption spectroscopy. An important feedback between these measurements and the samples developed at ILM will be essential to obtain high quality interfaces and composition tunability.

Keywords:

Nanophotonics (plasmonics, metamaterials, 2D materials, surfaces and interfaces, optomechanics); Materials (inorganic, semiconductor, organic, liquid crystal, photochromics); 2D materials;Lasers; Ultrafast spectroscopy;Charge transfer; Exciton dissociation;Stark spectroscopy PI/Thesis Supervisor and team : Elsa

CASSETTE

at the NanO Optics and Spectroscopy (NOOS) team in LuMIn laboratory / department Every LIGHTinPARIS PhD project includes a " 3i " dimension (interdisciplinary, intersectoral, or international collaboration) and all fellows will benefit from secondment opportunities for 2 to 12 months at the 3i partner lab under the supervision of the "3i" co-supervisor. 3i dimension(s) for project ELIXIR2: interdisciplinary at Institut Lumière-Matière (ILM)

• Lyon, France

APPLICATION PROCESS

• Guide for Applicants Applications must be submitted electronically via the LIGHTinPARIS application portal .

Deadline for applications:

21 September 2026 12:00 noon Paris time (UTC + 2) Deadline to start an application (registration on portal): 15 September 2026 12:00 noon Paris time (UTC + 2)

PRIOR TO SUBMITTING AN

APPLICATION, Step 1. Verify and test your eligibility : https://lightinparis.eu/eligibility/ Step 2. Find a PhD project of interest https://lightinparis.eu/thesis-subjects Contact the proposed thesis supervisor to discuss the research project and scientific background and experience needed to fulfill the PhD position.

YOU MAY THEN PROCEED

TO, Step 3. Register on the application portal and receive link to application portal (you will complete an eligibility test first). You may prepare your application Offline. Step 4. Submit your application Detailed information and instructions are provided in the official Guide for Applicants and on the programme website ( lightinparis.eu ).

EMPLOYMENT CONDITIONS

Contract:

Full-time, 36-month fixed-term French doctoral employment contract.

Employer :

Université Paris-Saclay.

Salary:

Competitive gross monthly salary (before taxes) for a LIGHTinPARIS PhD fellow under French doctoral contract conditions is a minimum of 2400 € (see application guide for specific employers)

Allowances:

Monthly travel and mobility allowance (€200) . Annual enrolment fees at the doctoral school (394 €) covered for 3 years. Additional benefits and opportunities Opportunities for professional experience (such as teaching activities) Comprehensive training in research, innovation, and transferable skills

TIMELINE

Call Open :

Week 29 (2026) to Week 39 (2026).

Publication of Call:

15 July 2026 (On website and Euraxess).

Application portal open:

21-23 July 2026. Registration (to start an application) deadline : 15 September 2026 12:00 noon Paris time (UTC +2). No new applications can be registered after this date. Selected PhD project cannot be modified after this date Submission deadline : 21 September 2026 12:00 noon Paris time (UTC +2) Validation of application dossiers and evaluation by external experts: Week 39

• Week 42 (16/09/2026
• 13/10/2026) Online interviews : Week 44
• 45 (27 October
• 6 November 2026) Notification of results : Week 46 (9
• 14 November 2026)

CONTACT & INFORMATION

Administrative questions: For queries about the application process, eligibility, and all administrative questions, contact application-lightinparis.isl@institutoptique.fr . Scientific questions : contact the supervisor(s) listed for each project: https://lightinparis.eu/thesis-subjects Up-to-date information on the LIGHTinPARIS website: https://lightinparis.eu Where to apply Website https://lightinparis.eu Requirements Research Field Physics Education Level Master Degree or equivalent Research Field Engineering Education Level Master Degree or equivalent Research Field Chemistry Education Level Master Degree or equivalent Skills/Qualifications PhD studies and research work require curiosity, creativity, rigour, teamwork, and organisational skills. A minimum B2 level of English is mandatory. Each PhD project has specific skills/qualifications listed

• see last page of linked PDF file https://lightinparis.

eu/thesis-subjects/ . Profile of PhD fellow for project ELIXIR2 pre-requisite: Master's degree in Physics or Physical Chemistry, with an academic background in Quantum Mechanics, Solid-State Physics and Material Science.

pre-requisite:

Experience on exciton photophysics or working on optical spectroscopy pre-requisite: Knowledge in basic programming (Python, …) advantageous: Sexperience working with optical setups advantageous: Experience working at the interface with Materials Chemistry. Specific Requirements Security Clearance​ Recruitment in French science and technology research facilities is subject to security clearance as required by the Department of Strategy, Security and Defence. The attribution of a PhD fellowship is contingent on the candidate obtaining the necessary security clearance. Languages ENGLISH Level Good Additional Information Eligibility criteria Candidates must: Hold, or complete the requirements, for a Master's degree or equivalent qualification by the application deadline, 21 September 2026. Candidates cannot hold a PhD degree. Must not have resided or carried out their main activity in France for more than 12 months in the three years prior to the call deadline ( MSCA mobility rule ), i.e. between 22 September 2023 and 21 September 2026). A good (B2) level of English is required; knowledge of French is not required. Selection process The selection includes an eligibility check , external evaluation by experts, and interviews (online) to assess the candidates' scientific potential, motivation, and fit with the proposed research project. Shortlisted candidates will be invited for online interviews. Website for additional job details https://lightinparis.eu Work Location(s) Number of offers available 4 Company/Institute Université Paris-Saclay Country France City Orsay Postal Code 91405 Street 15, rue Georges Clemenceau Geofield Contact City Palaiseau Website https://lightinparis.eu Street 2 avenue Augustin Fresnel Postal Code 91127 E-Mail application-lightinparis.isl@institutoptique.fr

STATUS:

EXPIRED