|
|
|
||
Introduction: optical fibers, passive components, pump lasers. Spectroscopy of
rare-earth elements. Erbium-doped fiber amplifier, rate equations, gain
saturation. Complex theoretical model and optimization of the amplifier. Amplifier
characterization (gain, noise figure). Erbium doped fiber laser, continuous wave
and pulse regime. Fiber amplifiers and lasers doped with other rare earth ions,
high-power fiber lasers utilizing cladding pumping, Raman fiber amplifiers.
Implementation of fiber amplifiers in optical communication systems.
Last update: T_FUUK (03.05.2013)
|
|
||
The student should be able to understand the principles of fiber amplifiers and lasers and methods of their optimization. Concerning the applications, the student should be able to understand mainly the following two topics: industrial applications of high-power fiber lasers and implementation of fiber amplifiers in optical communication systems. Last update: T_FUUK (03.05.2013)
|
|
||
fiber lasers, fiber amplifiers, optical fibers, optical fiber communications Last update: T_FUUK (03.05.2013)
|
|
||
One or two individual tasks for calculation of EDFA characteristics using Giles‘ and Salehs‘ models. Last update: T_FUUK (03.05.2013)
|
|
||
lectures are available for the students in pdf format other study materials: P. Peterka: Fiber lasers M. Karásek: Optical fiber amplifiers available in B. E. A. Saleh and M. C. Teich. Fundamentals of photonics. John Willey & sons, inc., 1991. Last update: T_FUUK (03.05.2013)
|
|
||
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 basic characterisation 8.-9. Pulsed fiber lasers 10.-11. Semiconductor optical amplifiers (SOA) and their application in components for transparent optical networks, Raman fiber amplifiers and parametric fiber amplifiers 12. EDFA numerical modelling - exercise 13. Laboratory visit in ÚFE Kobylisy: fiber lasers
Analytical solution of rate equations of the EDFA for the simplified two-level model (Saleh’s model) Examples of application of the Giles‘s EDFA parameters for calculation of the amplifier‘s gain characteristics Laboratory visit in ÚFE Suchdol: preparation of optical fibers and their basic characterization Laboratory visit in ÚFE Kobylisy: fiber lasers Last update: T_FUUK (03.05.2013)
|
|
||
Basic knowledge of laser physics, laser technology and fiber optics; basic programming knowledge. Last update: T_FUUK (03.05.2013)
|