Title of research project

Near-field imaginging of THz-metamaterials with Rydberg atoms

Postoc

Contract type Contrat (CDD) Category A Workload Fulltime

Scientific field Biochimie
Chimie
Physique

WorklJob Descriptionoad

Description of the offer The scientific objective of this position is to develop a new quantum sensing platform based on Rydberg atoms for probing the near field of terahertz (THz) metamaterials and imaging electromagnetic fields in the vicinity of subwavelength resonators. As a first step toward this long-term goal, the project aims to integrate THz metamaterials into atomic vapor cells and interface them with cesium atoms excited to Rydberg states by external laser excitation. This approach will enable the development of an original photonic platform combining atomic systems with metamaterials. In a second stage, the resonators will be excited by an external THz source to generate localized electromagnetic near fields. These fields will then be mapped with subwavelength spatial resolution, beyond the diffraction limit, using Rydberg atoms as quantum sensors. This approach will pave the way for a new form of quantum near-field microscopy, in which atomic probes replace the macroscopic tips employed in conventional scanning probe techniques. This research program constitutes one of the major objectives of the ANR PRC TERRA project. We are therefore seeking a research engineer who will play a central role in the design, fabrication, and characterization of this new generation of vapor cells incorporating metamaterials, as well as in the implementation of the first Rydberg spectroscopy and quantum THz near-field imaging experiments.

Field of research Experimental quantum physics

Skills THz spectroscopy and sources, lasers, and atomic spectroscopy

Knowledge Light–matter interactions and atomic physics

Work environment

Location Villetaneuse

Laboratory Laboratoire de Physique des Lasers

Degree level

Degree required PhD degree

Experience required The successful candidate should have demonstrated experience in laser spectroscopy, with particular expertise in terahertz (THz) spectroscopy or high-precision atomic spectroscopy. Practical experience in the development and implementation of advanced optical experiments, particularly involving THz or infrared spectroscopy, will be highly valued. The candidate should also have experience with high-vacuum techniques, the alignment of complex optical systems, and scientific instrumentation. Knowledge of atomic physics, light–matter interactions, or quantum sensing would be considered a strong asset for the project.

Additionnal information

Start date 10 01 26

Job Type Contrat (CDD)

Salary 2464 € per month

Contract duration 1 an

Composition of the selection jury

Application deadline 08 28 26

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