SC5Optical fibers and applications

Reminders in Optics

• Light: photon and wave optics
• Basics in guided optics
• Measurment instrumentations

Optical fibers

• Structures and characteristics
• Step-index and graded index singlemode and multimode fibers. Cutoff wavelength. Optical attenuation and chromatic dispersion.
• Dispersion shifted and compensated dispersion fibers. Polarization maintaining fibers. Photonic crystal fibers.
• Nonlinear fiber optics: optical Kerr effect, four-wave mixing, Raman and Brillouin scattering effects.

Optical fibers applications

• Laser beam transport. Pigtailed laser diodes
• Numerical optical transmission: noise detection, transmission performances, WDM systems and associated components
• Erbium doped fiber amplifiers: architectures and characteristics, broad-band source
• Nonlinear optical fiber. Raman fiber amplifier. Wide broad-band source.
• Optical fiber sensors: Constraints, temperature, pressure, acceleration measurements. Interferometric measurements.

Optical labworks

• Erbium doped fiber amplifier and laser. Optical reflectometry. Chromatic dispersion measurement in a single mode fiber 
• Raman scattering effect in a silica based fiber. Brillouin scattering effect in a silica based fiber: amplification, slow light effect.  Optical fiber gyroscope: measurement of the Earth speed rotation
• Set-up and characterization of a numerical transmission on a singlemode fiber: quality factor, bite error rates