| Module name | Semiconductor Lasers |
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| Type of module | Selectable mandatory module |
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Learning results,
competencies, qualification goals | The student is able to:
- obtain an overview of the application potential of semiconductor lasers and optoelectronic components,
- follow the principle functionality and structure of semiconductor lasers,
- understand the benefits of the optical information transfer at safety–related systems,
- understand the complex interplay between the electronic, thermal and optical phenomena in laser diodes,
- identify the correlations between the optical, electronic, quantum mechanical and the acoustic resonators,
- overlook the basic principles of the optical data transmission considered from the perspective of the key components and the safety-related systems,
- solve problems where the solution has been unknown to him or her before the lecture by identifying analogies in electronics, optoelectronics, quantum mechanics and acoustics.
Learning results with regard to the objectives of the course of study:
- Gaining deeper insight into the basic principles of the optoelectronic information transfer and the semiconductor laser.
- Acquiring enhanced and applied subject –specific basics.
- Identifying and classifying complex electro-technical, optoelectronic and safety-related tasks.
- Being confident in the ability to apply and evaluate analytical methods.
- Being able to create and evaluate solving methods independently
- Gaining important and profound experiences in the area of practical technical skills and engineering activities
- Working and researching in national and international contexts
- Gaining knowledge about one-dimensional, two-dimensional, three dimensional optical gratings and photonic crystals
- Acquiring detailed knowledge about semiconductor lasers regarding the optical amplification, rate equations, DFB gratings, emission spectra, ultrafast lasers, tunable lasers, micro disk lasers, quantum cascade lasers, DBR-mirrors for lasers with vertical cavity, surface emitting semiconductor lasers with vertical cavity, eigenvalues and eigenfunctions in Helmholtz equations, Schrödinger equations and wave equations
- Acquiring basic knowledge in the area of “Light and Information Processing”: switches, splitters, amplifiers, multiplexers, de-multiplexers, ray transducers, points
- Gaining a detailed insight into the area of systems of optical information transfer: WDM, TDM
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| Types of courses | 6 SWS (semester periods per week): 3 SWS lecture 2 SWS internship
1 SWS exercise |
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| Course contents | - An introduction to the optoelectronic information transfer in safety-related systems is provided
- Semiconductor laser: optical amplification, rate equations, DFB gratings, emission spectra, ultrafast lasers, tunable lasers, micro disk lasers, quantum cascade lasers, DBR-mirrors for lasers with vertical cavity, surface emitting semiconductor lasers with vertical cavity, eigenvalues and eigenfunctions in Helmholtz equations, Schödinger equations and wave equations
- Light and Information Processing: switches, splitters, amplifiers, multiplexers, de-multiplexers, ray transducers, points
- Systems of optical information transfer to increase the bit rate: WDM, TDM, ODTM
- One-dimensional, two- dimensional and three- dimensional optical gratings and photonic crystals
- An introduction to the basic principles of the miniaturisation and the nanotechnology will also be provided
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Teaching and learning methods
(forms of teaching and learning) | Lecture, presentation, learning by teaching, self-regulated learning, problem-based learning |
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| Frequency of the module offering | Winter term |
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| Language | English |
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| Recommended (substantive) requirements for the participation in the module | Fundamental knowledge resulting from the undergraduate courses about semiconductor components and components for optoelectronics (transistor, waveguide, glass fibre, LED, photodiode), material science (basic principles of semiconductor electronics) and optics (lecture “Components of Optoelectronics”) |
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Requirements for the
participation in the module | Optoelectronic devices (wave optics, waveguide, glass fibre) |
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| Student workload | 270h: 90 h attendance studies
180 h personal studies |
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| Academic performances | None |
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Precondition for the
admission to the
examination performance | None |
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| Examination performance | Examination performances: oral examination (30 min.), written composition (internship) |
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Number of credits
of the module | 9 credits
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| In charge of the module | Prof. Dr. Hillmer |
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| Teacher of the module | Prof. Dr. Hillmer and co-workers |
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| Forms of media | Presentation, script, black board, laboratory experiments |
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| Literature references | Will be announced in the lecture |
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