Postdoctoral Researcher in Quantum Information Theory of Bosonic Systems - 24-Month Fixed-Term Contract

Presentation of Télécom SudParis:

Télécom SudParis is a major public engineering school recognized at the highest level in digital science and technology. The quality of its training programs is based on the scientific excellence of its faculty and a pedagogy that emphasizes team projects, disruptive innovation, and entrepreneurship. Télécom SudParis has 1,000 students, including 700 engineering students and approximately 150 doctoral candidates. Télécom SudParis is part of the Institut Mines-Télécom, the leading engineering school group in France, and shares its campus with Institut Mines-Télécom Business School. Télécom SudParis is a co-founder of Institut Polytechnique de Paris (IP Paris), a world-class institute of science and technology with École polytechnique, ENSTA Paris, ENSAE Paris, ENPC, and Télécom Paris. Video presentation of Télécom SudParis

About Institut Mines-Télécom:

Institut Mines-Télécom (IMT) is a public institution dedicated to higher education and research for innovation in the fields of engineering and digital technology. Continuously attentive to the economic world, IMT combines strong academic and scientific legitimacy, proximity to businesses, and a unique positioning on the major transformations of the 21st century: digital, energy, industrial, and educational. Its activities are deployed within the major Mines and Télécom schools under the supervision of the Minister in charge of Industry and Electronic Communications, two subsidiaries, and associated or contracted partners. IMT is a founding member of the Alliance Industrie du Futur. It holds dual Carnot label for the quality of its collaborative research. Video presentation of Institut Mines-Télécom

Missions

1. Conduct research missions in quantum information theory, with a particular focus on bosonic quantum systems

2. Provide supervision and tutoring for students

3. Contribute to the reputation of Télécom SudParis, Institut Mines-Télécom, and Institut Polytechnique de Paris

Activities

1. Conduct research activities in quantum information theory

• Study the mathematical and informational properties of bosonic quantum states and channels, with a particular emphasis on non-Gaussian systems.

• Study and seek to prove quantum entropic inequalities relevant to bosonic quantum information theory, particularly inequalities related to the action of beam splitters and other physically relevant bosonic transformations.

• Develop new mathematical tools for the analysis of non-Gaussian bosonic states and channels, drawing in particular on methods from quantum information theory, matrix and operator analysis, majorization theory, and related fields.

• Apply these results to characterize information transmission through bosonic quantum channels, particularly for establishing capacity formulas and upper or lower bounds on communication capacities.

• Explore the links between the developed methods and other problems in quantum information theory and mathematical physics.

• Contribute to the achievement of the scientific objectives and deliverables of the research project.

• Present and discuss research results within the team and with external collaborators.

• Prepare scientific publications presenting the results of the research work.

2. Conduct teaching, supervision, and tutoring activities

• Lead tutorial sessions as part of a quantum information theory course.

• Prepare and update exercise sheets, solutions, and other pedagogical materials for this course.

• Supervise student projects and, where applicable, research internships.

• Contribute to the scientific support of doctoral students and other young researchers working on related topics.

3. Contribute to the reputation of Télécom SudParis, Institut Mines-Télécom, and Institut Polytechnique de Paris

• Publish research results in peer-reviewed international journals and conference proceedings.

• Present research results at international conferences, workshops, seminars, and scientific meetings.

• Participate in scientific collaborations with academic institutions and research centers in France and abroad.

• Contribute to the scientific animation and visibility of the department and the institution.

4. Miscellaneous Activities

• Participate in the scientific and academic activities of the department and the institution.

• Participate in research seminars, project meetings, and other collective scientific activities.

• Report on the progress and results of the research activities for which he or she is responsible.

Education

• PhD in physics, mathematics, computer science, engineering, or a relevant related field for quantum information theory

• Research experience in quantum information theory, mathematical physics, quantum communication theory, theoretical quantum optics, or a closely related field

• Experience with analytical and mathematical approaches applied to quantum information theory problems.

Essential Skills, Knowledge, and Experience

• Proficiency in written and spoken English.

• Solid scientific knowledge in quantum information theory.

• Strong mathematical and analytical skills.

• Knowledge of quantum mechanics and quantum information theory.

• Knowledge of quantum channels, quantum entropies, and methods from information theory.

• Knowledge of bosonic quantum systems.

• Ability to formulate and independently address complex theoretical problems.

• Excellent scientific communication and writing skills.

Desirable Skills, Knowledge, and Experience

• Experience in majorization theory, matrix inequalities, or operator inequalities in quantum information

• Knowledge of non-Gaussian quantum information

• Experience with quantum communication capacities or related problems in quantum Shannon theory

• Proficiency or familiarity with symbolic or numerical tools for exploring theoretical problems, such as Python, Mathematica, or MATLAB

Abilities and Aptitudes

• Ability to work independently as well as collaboratively within a research team.

• Ability to interact effectively with researchers from different scientific fields.

• Ability to synthesize complex scientific ideas and write high-quality scientific publications and reports.

• Good organizational skills.

• Initiative, rigor, and intellectual curiosity.

• Creativity in approaching open theoretical problems.

• Autonomy and motivation.

Salary indications:

• Indicative salary range (excluding variable annual bonus): 35,400 - 38,000 euros gross per year, depending on profile and experience (reduced social charges in the public sector).

Additional information and application

• Application deadline: October 16, 2026

• Contract type: 24-month fixed-term contract (CDD)

• Job category and role (internal use): II - P, Postdoctoral Researcher or A (public service)

• Position open to jobs at the immediately lower level (internal use)

• Job location: Palaiseau (91)

• Positions offered for recruitment are open to all, with, upon request, accommodations for candidates with disabilities.

• Job open to civil servants and/or contract employees

• Working conditions: 44 days of leave, teleworking possible, on-site restaurant and cafeteria, accessibility by public transport (with employer contribution) or near main roads, staff association and sports association on campus.

• Please include the contact details of two referees in your CV.

• Contact person: Michael G. Jabbour, [email protected]