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PhD Position in Cavity Nano-Optomechanics with Semiconductor Nanowires

Explore quantum fluctuations and ultra-strong coupling regimes in semiconductor nano-optomechanical systems.

Best for:Best for physics graduates with a strong experimental background in optics, nano-optics, and quantum or condensed matter physics.

Institut NEEL · Grenoble, France · R1 · First-stage researcher
More professors at Institut NEEL
OptomechanicsQuantum OpticsNanomaterialsSemiconductorsCondensed Matter Physics
Deadline
Nov 3, 2026
21 days
Funding
Salaried
€2.3k/mo
Start date
2026-12-01
Fixed-term
Location
Grenoble
France

Overview

This PhD position at Institut Néel in Grenoble, France, focuses on investigating novel cavity nano-optomechanics regimes using high-finesse microcavities and semiconductor nanowires. The candidate will design, fabricate, and characterize strongly coupled devices where quantum optical fluctuations dominate oscillator dynamics. Working within the Nano-Optics and Forces (NOF) team, the researcher will map optical and mechanical properties at the nanoscale and harness photo-induced charges for enhanced light-matter interactions. The successful applicant will contribute to fundamental quantum optics research and collaborate within a world-class multidisciplinary laboratory environment.

cavity optomechanicsnanowiresquantum fluctuationsmicrocavitieslight-matter interactionexperimental physics

What you'll do

  • Design and fabricate high-finesse microcavities and ultra-sensitive force probes based on semiconductor materials such as InP, GaP, and SiC.
  • Perform optical and mechanical characterization of nano-resonators at the nanoscale.
  • Explore ultra-strong coupling regimes where single cavity photons significantly displace mechanical oscillators.
  • Manipulate photo-induced internal excitations and charge transport using electrostatic and radiofrequency fields.
  • Analyze experimental data and develop numerical models using Python or C.
  • Contribute to scientific publications and present research findings at international conferences.

Requirements

Degree required: Master of Science in Physics or equivalent

Degree offered: PhD

Language: Proficiency in English or French

Instruction: English

Required skills
  • Background in experimental physics
  • Knowledge of optics and nano-optics
  • Understanding of nanomechanics
  • Programming experience in Python or C for interfacing and data analysis
  • Theoretical grounding in quantum physics and condensed matter
Nice to have
Experience with cleanroom fabrication techniquesFamiliarity with cryogenic setups or optical microcavities

Funding & terms

Type
Salaried
Amount
€2.3k/mo
Duration
3 years
Programme
CNRS
CNRS

How to apply

Deadline: 2026-11-03

Interested candidates must submit their application through the official CNRS portal by the specified deadline. The application package typically includes a curriculum vitae, academic transcripts, and a cover letter detailing research experience and motivation.

Documents required
  • CV
  • Cover letter
  • Academic transcripts
↗Apply on site
Lab
Nano-Optique et Forces
Institut NEEL
France
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