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Course, academic year 2018/2019
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Fiber lasers and amplifiers - NOOE131
Title in English: Vláknové lasery a zesilovače
Guaranteed by: Institute of Physics of Charles University (32-FUUK)
Faculty: Faculty of Mathematics and Physics
Actual: from 2013
Semester: winter
E-Credits: 3
Hours per week, examination: winter s.:2/0 Ex [hours/week]
Capacity: unlimited
Min. number of students: unlimited
State of the course: taught
Language: Czech
Teaching methods: full-time
Note: course can be enrolled in outside the study plan
Guarantor: Bc. Pavel Peterka
Pavel Honzátko, PhD
Classification: Physics > Optics and Optoelectronics
Annotation -
Last update: T_FUUK (03.05.2013)
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.
Aim of the course -
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.

Descriptors -
Last update: T_FUUK (03.05.2013)

fiber lasers, fiber amplifiers, optical fibers, optical fiber communications

Course completion requirements -
Last update: T_FUUK (03.05.2013)

One or two individual tasks for calculation of EDFA characteristics using Giles‘ and Salehs‘ models.

Literature -
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.

Syllabus -
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

Entry requirements -
Last update: T_FUUK (03.05.2013)

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

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