M/F post-doctoral associate on the generation of non-gaussian states of light with semiconductor quantum dots
New
- Researcher in FTC
- 12 mounth
- Doctorate
This offer is available in English version
This offer is open to people with a document recognizing their status as a disabled worker.
Offer at a glance
The Unit
Centre de Nanosciences et de Nanotechnologies
Contract Type
Researcher in FTC
Working hHours
Full Time
Workplace
91120 PALAISEAU
Contract Duration
12 mounth
Date of Hire
01/06/2026
Remuneration
between 3131.32 and 4341.70 euros depending on experience
Apply Application Deadline : 13 May 2026 23:59
Job Description
Missions
The project aims to leverage the interaction of light with quantum dot-cavity devices to tailor the generation of available quantum states beyond single-photon emission, with a particular focus on resource states featuring a phase-space structure for continuous-variable (CV) technologies. In this context, the states are characterized using Wigner tomography. By using these devices solely as single-photon emitters, we have recently developed at C2N a technique that enables, for the first time with solid-state emitters, the measurement of a single-mode Wigner function exhibiting record Wigner negativity. We aim to investigate the possibility of engineering non-Gaussian states by exploiting the nonlinearity of a quantum dot, through several lines of experimental study and development:
* multimode Wigner tomography techniques
* generation of multiphoton “cat” states
* experimental demonstration of single-photon subtraction
Activity
Quantum optics measurements on single emitters
Daily supervision of PhD students and interns on the project
Article writing and laboratory management
Your Profil
Skills
Strong expertise in quantum optics
Expertise in quantum emitters
Your Work Environment
Semiconductor quantum dots (QDs) integrated into optical cavities constitute a powerful and efficient source of quantum nonlinearity. Harnessing this optical nonlinearity enables the deterministic generation of non-Gaussian states and the processing of quantum light, with applications in quantum computing and communications. Thanks to recent technological advances, these devices—developed in collaboration with the start-up Quandela—now exhibit high quantum coherence and make it possible to produce quantum states with measurable Wigner negativity. Combined with high clock-rate operation, they represent a promising asset for integration into continuous-variable (CV) quantum technologies to generate the non-Gaussian states required for universal CV quantum computing.
Compensation and benefits
Compensation
between 3131.32 and 4341.70 euros depending on experience
Annual leave and RTT
44 jours
Remote Working practice and compensation
Pratique et indemnisation du TT
Transport
Prise en charge à 75% du coût et forfait mobilité durable jusqu’à 300€
About the offer
| Offer reference | UMR9001-PASSEN-014 |
|---|---|
| CN Section(s) / Research Area | Atoms and molecules, optics and lasers, hot plasmas |
About the CNRS
The CNRS is a major player in fundamental research on a global scale. The CNRS is the only French organization active in all scientific fields. Its unique position as a multi-specialist allows it to bring together different disciplines to address the most important challenges of the contemporary world, in connection with the actors of change.
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