Laser Physics
Code | Completion | Credits | Range | Language |
---|---|---|---|---|
12FLA | Z,ZK | 4 | 4 | Czech |
- Vztahy:
- In order to register for the course 12PLM, the student must have successfully completed the course 12FLA.
- Garant předmětu:
- Jan Šulc
- Lecturer:
- Jan Šulc
- Tutor:
- Jan Šulc
- Supervisor:
- Department of Laser Physics and Photonics
- Synopsis:
-
Relations of behaviour both for laser active media and for various laser types from the general principle of quantum statistical physic will be derived.
- Requirements:
-
Knowledge of quantum mechanics (base equations and principles, statistical operator, perturbation theory, linear harmonic oscillator, quantum description optical radiation), electrodynamics and fundamentals of laser technique
- Syllabus of lectures:
-
1. Physical laser model - laser like closed system, the quantum Liouville equation
2. Quantum theory of damping - driving quadratic for evolution grave quantum system
3. Semi-classical theory of radiation interaction with matter - response of two-level resonant matter, equations for semi-classical description
4. Propagation of stationary signals, dispersive characteristics resonant matter
5. Semi-classical description optical impulse propagation - incoherent and coherent pulse propagation, rate-equations approximation
6. Lasers dynamics in rate-equations approximation - laser with short resonator, rate-equations
7. Dynamics of Q-switching, lasers without mirrors
8. Spectral characteristics laser radiation - frequency pulling, spectral distribution of the generated laser light in the event of homogenously & inhomogeneously broadened gain
9. Generation short pulses - simplified description of laser mode synchronizzation, pulse compression, expansion, and shaping
10. Quantum description of common systems - quasi-distributive function for description of electromagnetic field states, time development of quasi-distributive function, 11. Fokker- Planck equation for atom and damped linear harmonic oscillator
12. Quantum theory of laser - quantum model of laser, Fokker- Planck equation for laser system
13. Solving of Fokker- Planck equation for laser in approximation of rotating wave Van der Pol oscillator
- Syllabus of tutorials:
-
1. Numerical exercises - Evolution of the statistical operator, perturbation theory
2. Numerical exercises - Master equation
3. Numerical exercises - Damped harmonic oscillator
4. Numerical Exercises - Equations of semiclasical laser theory
5. Students talks - Tunable laser
6. Students talks - Soliton
7. TEST 1
8. Students talks - Q-switching
9. Students talks - X-ray laser, ASE
10. Students talks - Mode-locking
11. Numerical exercises - Focker-Planck equation
12. Numerical Exercises - Quantum tehory of laser
13. TEST No.2
- Study Objective:
-
Knowledge:
To meet the theoretical foundations of laser generator using semi-classical and fully quantum description of the resonant interaction of radiation with matter.
Skills:
To apply the theoretical results to practical problems in laser physics, e.g. description of lasers with a short resonator, the generation of Q-switched giant pulses, and coherent pulse propagation.
- Study materials:
-
Key references:
Vrbova, M., Sulc, J.: Interaction of resonant radiation with matter, CVUT, Prague, 2006
Recommended references:
[2] W. H. Louisell: Quantum statistical properties of radiation, John Wiley and Sone, New York, 1973
[3] M. Vrbova: Quantum theory coherency, CVUT, Prague, 1997.
[4] B. E. A. Saleh and M. C. Teich, Fundamentals of Photonics, Wiley Series in Pure and Applied Optics, 1991
[5] B. Kvasil, Theoretical fundamentals of quantum electronics, Academia, Praha, 1983.
- Note:
- Further information:
- http://people.fjfi.cvut.cz/sulcjan1/fla/
- Time-table for winter semester 2024/2025:
- Time-table is not available yet
- Time-table for summer semester 2024/2025:
- Time-table is not available yet
- The course is a part of the following study plans:
-
- Fyzikální elektronika - Fotonika (elective course)
- Fyzikální elektronika - Laserová fyzika a technika (PS)