Fiber Lasers and Amplifiers

Garant předmětu:

Lecturer:

Tutor:

Supervisor:

Department of Laser Physics and Photonics

Synopsis:

Introduction: optical fibres, passive components, pump lasers. Spectroscopy of rare earth elements. Erbium-doped fibre amplifier, rate equations, gain saturation. Complex theoretical model and optimization of the amplifier. Amplifier characterization (gain, noise figure). Erbium doped fibre laser, continuous wave and pulse regime. Fibre amplifiers and lasers doped with other rare earth ions, high-power fibre lasers utilizing cladding pumping, Raman fibre amplifiers. Implementation of fibre amplifiers in optical communication systems.

Requirements:

Basic knowledge of laser physics, laser technology and fiber optics; basic programming knowledge

Syllabus of lectures:

1. Components of fiber amplifiers and lasers.

2. Rare-earth doped fiber spectroscopy

3.-4. Erbium-doped fiber amplifier (EDFA)

5. Continuous-wave fiber lasers and high-power cladding-pumped fiber lasers

6. Fiber lasers with based on other rare-earth dopants, discussion of selected research topics

7. Laboratory visit in ÚFE Suchdol: preparation of optical fibers and their bascic characterisation

8.-9. Pulsed fiber lasers

10.-11. Semiconductor optical amplifiers (SOA) and their application in components for transparent optical networks

12. Raman fiber amplifiers

13. Parametric fiber amplifiers

14. Laboratory visit in ÚFE Kobylisy: Laboratory of nonlinear fiber optics

Syllabus of tutorials:

Study Objective:

Knowledge:

principles of fiber amplifiers and lasers and methods of their optimization.

Skills:

applications of obtained knowledge mainly for industrial applications of high-power fiber lasers and implementation of fiber amplifiers in optical communication systems.

Study materials:

Key references:

[1] Texts for lectures in pdf format at http://www.ufe.cz/~peterka/fjfi/

Recommended references:

[2]P. Peterka: Fiber lasers,http://www.ufe.cz/~peterka/fjfi

[3]M. Karásek: Optical fibre amplifiers, http://www.ufe.cz/~peterka/fjfi

[4]B. E. A. Saleh and M. C. Teich. Fundamentals of photonics. John Willey & sons, inc., 1991.

Note:

Further information:

No time-table has been prepared for this course

The course is a part of the following study plans: