PhD student (M/F): Photonic interface of single color centers integrated in silicon
New
- FTC PhD student / Offer for thesis
- 36 months
- 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
Laboratoire Charles Coulomb
Contract Type
FTC PhD student / Offer for thesis
Working hHours
Full Time
Workplace
34095 MONTPELLIER
Contract Duration
36 months
Date of Hire
30/09/2026
Remuneration
2300 € gross monthly
Apply Application Deadline : 06 August 2026 23:59
Job Description
Thesis Subject
A novel type of individual quantum systems have recently emerged for quantum technologies: single fluorescent defects in silicon. These single color centers are not only incorporated in silicon, the ideal platform for large-scale nanofabrication, but they have the great advantage of emitting single photons at telecom wavelengths.
This PhD aims at understanding and controlling the optical coherence properties of individual color centers integrated in silicon- based photonic cavities. The first objective is to analyze the optical fine structure and stability of their emission lines through photoluminescence excitation spectroscopy. The impact of spectral diffusion on the optical linewidths will be rigorously characterized, along with the photo-dynamics of the individual emitters under optical resonant excitation. The second goal will be to demonstrate indistinguishable single-photon emission from single fluorescent defects, by carrying out photon coalescence or Hong-Ou-Mandel experiments. The influence of the environment and nanofabrication steps on the optical coherence times of the individual emitters with be investigated. Then, the tuning of the emission lines of different defects will be explored using Stark effect and/or strain engineering. The final goal of the PhD will be to show true indistinguishable photon emission between two color centers integrated in spatially separated silicon photonic cavities.
Your Work Environment
This project will be pursued within the team “Solid-State Quantum Technologies” at the Laboratoire Charles Coulomb (L2C, UMR5221) in Montpellier. This PhD thesis is funded by the Quantera project TEMISIS.
Constraints and risks
The person hired will be required to complete laser safety training.
Compensation and benefits
Compensation
2300 € gross monthly
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 | UMR5221-ANADRE-002 |
|---|---|
| CN Section(s) / Research Area | Condensed matter: electronic properties and structures |
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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