Course: Photonic

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Course title Photonic
Course code NTI/FOT
Organizational form of instruction Lecture + Lesson
Level of course Bachelor
Year of study not specified
Frequency of the course Every school year
Semester Winter and summer
Number of ECTS credits 5
Language of instruction Czech
Status of course Compulsory, Compulsory-optional
Form of instruction Face-to-face
Work placements Course does not contain work placement
Recommended optional programme components None
Lecturer(s)
  • Kopecký Václav, prof. Ing. CSc.
  • Kotek Michal, Ing. Ph.D.
  • Lédl Vít, Ing. Ph.D.
Course content
Lectures: 1. Interaction of photons with atoms - spontaneous emission, absorption, stimulated emission. 2.Coherent optical amplifier - amplifier gain, phase shift, amplifier bandwidth 3.Pumping of optical amplifier - four-level pumping, three-level pumping, pumping examples. 4. Nonlinearity and saturation - saturated gain coefficient, homogeneously and inhomogeneously broadened amplifiers 5.Laser - theory of of laser oscillations, optical resonators and feedback, conditions for laser oscillation start 6. Laser radiation features - internal and external photon flux, spectral distribution and mode structure of laser radiation 7. Pulse laser - gain switching, cavity Q-switching, cavity dumping, mode locking, pulse laser applications 8. Photons in semiconductors - energy bands, electron and hole concentration, generation, recombination, injection. 9. Interaction of photons with electrons and holes - band-to-band absorption and emission, absorption rate, spontaneous emission, stimulated emission 10. Light-emitting diodes - injection electroluminescence, characteristics of light-emitting diodes 11. Semiconductor laser amplifiers - gain coefficient, bandwidth, pumping, peak gain coefficient 12. Semiconductor injection lasers - gain, feedback and oscillations, laser threshold, spectral distribution, mode structure 13. Semiconductor photodetectors - external and internal photoeffect, quantum efficiency, sensitivity, response time, internal gain. 14. Semiconductor photodetectors - photoconductors, photodiodes, avalanche photodiodes, photodetector noise Practicals: 1. Example solving: Interaction of photons and atoms - absorption, spontaneous emission, stimulated emission 2. Example solving: Laser amplifiers - population inversion, gain, optical pumping, saturation 3. Example solving: Lasers - optical resonators, gain, logitudinal modes, mode selection 4. Experimental tasks with He-Ne lasers 5. Experimental tasks with Ar:Ion lasers 6. Experimental tasks with Nd:YAG lasers 7. Experimental tasks with double-cavity Q-switched Nd:YAG lasers 8. Example solving: Photons in semiconductors - Fermi function, Fermi energy, absorption and emission rate 9. Example solving: Light-emitting diodes - injection electroluminescence, spectral width, quantum efficiency 10. Example solving: Laser diodes - peak gain coefficient, bandwidth, threshold current density 11. Example solving: Photoconductor and photodiode - quantum efficiency, sensitivity, response time, gain, noise 12. Example solving: Avalanche photodiodes - quantum efficiency, sensitivity, response time, gain and noise 13. Experimental tasks with lasers and photodetectors 14. Experimental tasks with lasers and photodetectors

Learning activities and teaching methods
Monological explanation (lecture, presentation,briefing), Dialogue metods(conversation,discussion,brainstorming), Self-study (text study, reading, problematic tasks, practical tasks, experiments, research, written assignments), Demonstration, Project teaching
  • Home preparation for classes - 20 hours per semester
  • Preparation for credit - 14 hours per semester
  • Preparation for exam - 60 hours per semester
  • Class attendance - 56 hours per semester
Learning outcomes
The subject is introduction into the photonic. Students are introduced into parts of wave electronic, optics, especially lasers, semiconductor light emitters and detectors.
Students are introduced into selected chapters of quantum electronics and optics, with emphasis on lasers, semiconductor radiation emitters and detectors, including practical applications.
Prerequisites
Basic knowledge of Mathematics and Physics

Assessment methods and criteria
Combined examination, Oral exam, Written exam

Activity at practicals is required for obtaining the credit. Successful answers to examination questions are necessary for passing the exam.
Recommended literature
  • Bahaa, E., A., Saleh, Malvin, C., T.:. Základy fotoniky, svazek 1,2,3 a 4.. MATFYZPRESS, Praha, 1996. ISBN 80-85863-00-6.
  • Kopecký, V.:. Učební texty k předmětu Základy fotoniky. TU Liberec, 1998.


Study plans that include the course
Faculty Study plan (Version) Category of Branch/Specialization Recommended year of study Recommended semester
Faculty: Faculty of Mechatronics, Informatics and Interdisciplinary Studies Study plan (Version): Mechatronics (2016) Category: Special and interdisciplinary fields 1 Recommended year of study:1, Recommended semester: Summer
Faculty: Faculty of Mechatronics, Informatics and Interdisciplinary Studies Study plan (Version): Applied Sciences in Engineering (2019) Category: Special and interdisciplinary fields 3 Recommended year of study:3, Recommended semester: Summer
Faculty: Faculty of Mechatronics, Informatics and Interdisciplinary Studies Study plan (Version): Applied Sciences in Engineering (2016) Category: Special and interdisciplinary fields 3 Recommended year of study:3, Recommended semester: Summer