Nanoscale Magnetic Materials - Magnetic Domains

mawi-933: Optical Materials


• Wave nature of light • Dielectric waveguides and optical fibers • Semiconductor science and Light-Emitting Diodes • Stimulated emission devices: Optical amplifiers and lasers • Photodetectors and image sensors • Polarization and modulation of light



Contents to be reviewed and prepared by the students.

Recommended literature

S.O. Kasap, Optoelectronics & Photonics: Principles & Practices (Pearson, 2013)

SoSe 2017

Please preregister at office A-104a.

Thu, 14:15 - 15:45, KS2/Geb.F - SR-III; from 9.4.2017 to 16.7.2017


_____________________________________ Persons

11.05.17 Semiconductor Science and LEDs I Abhishek Nagendra, Mohan Hasan Narayan, Chintan Narayan Shetty

18.05.17 Semiconductor Science and LEDs II Daniel Stoermer, Danbi Yoo, Matthias Steffens

01.05.17 Semiconductor Science and LEDs III Deepak Lanka, Nwafor James, Aminur Rahman

08.06.17 Photodetectors and Image Sensors I Ahmad Takriti, Mattia Mirabelli, Ruchira Pereira

15.06.17 Photodetectors and Image Sensors II Lena Saure, Monja Möller, Ole Gronenberg

29.06.17 Stimulated Emission Devices: Lasers I Shubham Jyoti Das, Anutsek Sharma, Jadesh Jade

06.07.17 Stimulated Emission Devices: Lasers II Syed Inayathulla, Muhammad Khurram Saleem, Sören Nielsen

Waiting List 


Semiconductor Science and Light-Emitting Diodes I

  1. Review of Semiconductor Concepts and Energy Bands 
  2. Semiconductor Statistics 
  3. Extrinsic Semiconductors 
  4. Direct and Indirect Bandgap Semiconductors: E-k Diagrams 


Semiconductor Science and Light-Emitting Diodes II

  1. pn Junction Principles 
  2. pn Junction Reverse Current 
  3. pn Junction Dynamic Resistance and Capacitances 
  4. Recombination Lifetime
  5. pn Junction Band Diagram 
  6. Heterojunctions 

Semiconductor Science and Light-Emitting Diodes III
  1. Light-Emitting Diodes: Principles 
  2. Quantum Well High Intensity LEDs 
  3. LED Materials and Structures 
  4. LED Efficiencies and Luminous Flux 
  5. Basic LED Characteristics 
  6. LEDs for Optical Fiber Communications 
  7. Phosphors and White LEDs 

Photodetectors and Image Sensors I

  1. Principle of the pn Junction Photodiode 
  2. Shockley-Ramo Theorem and External Photocurrent 
  3. Absorption Coefficient and Photodetector Materials 
  4. Quantum Efficiency and Responsivity 
  5. The pin Photodiode 
  6. Avalanche Photodiode 

Photodetectors and Image Sensors II
  1. Heterojunction Photodiodes 
  2. Schottky Junction Photodetector 
  3. Phototransistors 
  4. Photoconductive Detectors and Photoconductive Gain 
  5. Image Sensors 
  6. Photovoltaic Devices: Solar Cells 


Lasers I

  1. Stimulated Emission, Photon Amplification, and Lasers
  2. Stimulated Emission Rate and Emission Cross-Section 
  3. Gas Lasers including Output Spectrum
  4. Pulsed Lasers
  5. Principle of the Laser Diode 


Lasers II 

  1. Heterostructure Laser Diodes 
  2. Quantum Well Devices 
  3. Elementary Laser Diode Characteristics 
  4. Steady State Semiconductor Rate Equations: The Laser Diode Equation 
  5. Single Frequency Semiconductor Lasers 
  6. Vertical Cavity Surface Emitting Lasers 
  7. Superluminescent and Resonant Cavity LEDs