Expertise :

• Oscillators
  • RF and microwave oscillators and synthesis
    • Piezoelectric technologies
    • Disciplined oscillators
  • Optical oscillators, lasers
    • Lasers locked to a Fabry-Pérot cavity
    • Lasers locked to a fibre delay line
    • Lasers locked to an atomic or molecular line
    • Frequency combs
    • Laser sources
• Atomic references
  • Micro-wave clocks and subsystems
    • Masers
  • Optical clocks and subsystems
    • Optical ion clocks
• Synchronisation, frequency transfer and time scales
  • Optical links in free space
    • Continuous optical links in free space
  • Fibred optical links
    • Data transfer on a fibre network
    • Purely optical methods
• Specific methods of time-frequency metrology
  • Noise
    • Phase noise, PLL
    • Intensity noise
    • Short term stability, long term stability
  • Systematics, Accuracy, Calibration
    • Systematics in atom-light interaction
    • Systematics in time transfer methods
  • High resolution spetroscopy
    • Atomic spectroscopy
    • Molecular spectroscopy
• Techniques for time-frequency metrology and applications
  • Electronics
    • Analog electronics
    • Digital electronics
    • Acquisition, interfaces, converters
  • Mechanics, Ultra-high vacuum, Cryogenics
  • Optics
    • Guided optics, specific optical fibres
    • High sensitivity, low noise photodetectors
    • Control of the optical beam characteristics
  • Cooling or trapping techniques
    • Trapped ions
  • Interferometry techniques
    • Optical interferometry techniques
  • Sensors
    • Magnetometers
    • Pressure sensors