Module also offered within study programmes:
General information:
Name:
Optoelectronics
Course of study:
2017/2018
Code:
IES-1-404-s
Faculty of:
Computer Science, Electronics and Telecommunications
Study level:
First-cycle studies
Specialty:
-
Field of study:
Electronics and Telecommunications
Semester:
4
Profile of education:
Academic (A)
Lecture language:
Polish
Form and type of study:
Full-time studies
Course homepage:
 
Responsible teacher:
prof. dr hab. Stapiński Tomasz (stap@agh.edu.pl)
Academic teachers:
dr hab. inż. Marszałek Konstanty (marszale@agh.edu.pl)
prof. dr hab. Stapiński Tomasz (stap@agh.edu.pl)
Module summary

The students can understand the operation of optoelectronic devices. They have skills to conduct experimental characterization of simple optoelectronic devices.

Description of learning outcomes for module
MLO code Student after module completion has the knowledge/ knows how to/is able to Connections with FLO Method of learning outcomes verification (form of completion)
Social competence
M_K001 is aware of the responsibility for their own work and willingness to comply with the principles of working in a team and bearing responsibility for cooperative tasks; ES1A_K04 Report
Skills
M_U001 works individually and in a team; estimates the time needed for the implementation of the respective tasks; develops and realizes the work schedule to meet the deadlines; ES1A_U02 Report
Knowledge
M_W001 has an ordered and a theoretical knowledge of the fotonic, including the knowledge necessary for understanding the physical bases of telecommunication optical systems, optical recording and information processing; ES1A_W03 Examination
M_W002 has the ordered knowledge of operation principles of optoelectronic components and simple optoelectronic systems; ES1A_W12 Examination
FLO matrix in relation to forms of classes
MLO code Student after module completion has the knowledge/ knows how to/is able to Form of classes
Lecture
Audit. classes
Lab. classes
Project classes
Conv. seminar
Seminar classes
Pract. classes
Zaj. terenowe
Zaj. warsztatowe
Others
E-learning
Social competence
M_K001 is aware of the responsibility for their own work and willingness to comply with the principles of working in a team and bearing responsibility for cooperative tasks; - - + - - - - - - - -
Skills
M_U001 works individually and in a team; estimates the time needed for the implementation of the respective tasks; develops and realizes the work schedule to meet the deadlines; - - + - - - - - - - -
Knowledge
M_W001 has an ordered and a theoretical knowledge of the fotonic, including the knowledge necessary for understanding the physical bases of telecommunication optical systems, optical recording and information processing; + - + - - - - - - - -
M_W002 has the ordered knowledge of operation principles of optoelectronic components and simple optoelectronic systems; + - + - - - - - - - -
Module content
Lectures:

Lecture
1. Materials for optoelectronics – Materials for semiconductor light sources and photodetectors. Energetic model, band-gap role especially for group III-V compounds. Light-material interactions – absorption, emission, photons, electrons, phonons. Conditions for radiative emission in semiconducor. Kinds of band-gaps. Efficiency of radiative recombination. General Einstein’s considerations on emission and absorption in the matter. Spontaneous emission, stimulated emission. Anti-Boltzman distribution in the matter. Light Amplification by Stimulated Emission of Radiation. Emitted light power density role. Positive optical feed-back – optical resonator, optical resonance, Fabry-Perot resonator and its features
2. Semiconductor light sources LED basics. Phenomena, efficiency, chromatic features. Rate equatins for LED. Heterojunction in semiconductor light sources. Technical characteristics of LED – emission characteristics, modulation possibilities, frequency characteristics. White LED. Semiconductor laser. Rate equations for semiconductor laser. Biheterojunction, strip semiconductor laser – structure, electrical and optical features. Lasing effect conditions. Emission characteristics. Threshold current. Thermal dependences. Spectral features. Multimode light emission. Monomode light emission. Laser spectra. Vertical Cavity Semiconductor Laser – VCSEL – structure and features. Basic aplication induced problems. Output light coupling, operating point stabilization. Simple controlling and driving circuits. Light generated noises in lasers. Degradation processes in LEDs and semiconductor lasers. Solid state laser overview. Ruby laser, Nd:YAG i Nd:YVO4. Diode Pumped Soilid State Laser DPSSL with light frequency doubling.
3. Photodetectors and photovoltaic cells. p-n junction photodetector. Light absorption, charge carrier separation, photocurrent. p-i-n structure photodetector. Quantum efficiency and sensitivity. U/I characteristics. Chromatic dependence of sensitivity. Dynamical and frequency features of p-i-n photodiode. Front-end circuits. Heterojunction in photodiode. Avalanche photodiode APD. Phenomena, structure, characteristics. Noises in p-i-n and APD photodiodes. Photovoltaic cell. Structure of monolitic photovoltaic cell. Photovoltaic phenomenon. Optoelectronic characteristics. Solar cell. Materials, structures, chromatic efficiency of absorption problem, U/I characteristics. Energetic efficiency. Controlling circuits.
4. Basics in optical fibers. Toatal internal reflection as the mechanizm of the fiber optic light transfer. Numerical Aperture of the fiber. Light propagation equations and their solutions – light modes. NA, construction, optical parameters of the fiber and normalized frequency In the fiber. Multimode propagation, graded index solution, mode dispersion. Monomode propagation – structures, conditions features. Light damping mechanisms – absorption and scattering – Rayleigh effect. Chromatic disperssion In the fiber. Transmission bandwidth limitations. Comparison of fibers.
Non telecomminication applications of optical fi bers – fiber optics, construction of coherent fiber bundless.
5. Displays and image sensors. Cathode-ray tube – some history. Current solutions – LED display. Liquid Crystal Displays – phenomena, liquid crystal materials. Dynamic dispersion. Twisted nematic. Colour LCD. Semiconductor image sensors. Charge Coupled Device cell, basic structure, control and output signals. Image analyzing structures – CCD line and matrix. Control and output signals organization. CMOS image sensor – comparison with CCD.
6. Components based on photoemission. Electron photoemission. Materials for photocathodes and their features. Vacuum Photo Multiplier – construction, characteristics. Image amplifiers and converters. Noctovision. Semiconductor Photo Multiplier – structure, features, characteristics and applications.
7. Applied system. CD standard. The specificity and the principle of construction of CD. Role of signal coding on the board – CIRC. Disc reading system, laser reading head. Methods of focusing, tracking the path and reading data. Correction of reading errors. Record on discs. Specifity of DVDs, Blue-Ray.

Laboratory classes:

Laboratory. 1. LED. (3 h)
Microscopic observation of different LEDs structures. Typical signalizinf LED as well as Burrus structure. Measurements nad discussions on I/U characteristics. Emission characteristics. White LED – structure.
Basic application. Colour RGB pixel – structure, driving possibilities. LEDs displays, numerical seven segment display, matrix display, driving circuits.
Transoptors – basic structure. Overview of different type transoptors and their features. Measurements of the step response.
2. Semiconductor laser.(4 h)
Mocroscopic observation of semiconductor laser structure. The role of the pedestal and monitoring photodiode. Light emission. How to distinguish the lasing action ? Specles. Measurement of emission characteristics of typical Fabry-Perot laser and its thermat behaviour. Definition of the threshold current. Optical spectra measurements. Multimode spectrum, monomode spectrum. Modal noise. Measurements of VCSEL emission characteristics and emitted light spectrum.
3. Photodetector and solar cell.(3 h)
p-i-n, photodetector – measurements of U/I characteristics, dynamic resistance calculations. Photovoltaic cell measurements- U/I characteristics. Solar cells measurements for policrystalic type and thin layer cells. Measurements of U/I characteristics, calculations of Fill Factors and energetic efficiency. Calculations for different loads.
4. Optical fiber.(4 h)
Observations of total internal reflection phenomenon in the transparent plastic rods of different shapes. Light leaking conditions. Maximum acceptance angle. Plastic optical fiber. Demonstration and calculation of the Numerical Aperture. Observation of different mode group transfer – basic modes group and higher modes group in the fiber as the function of the acceptance angle. Plastic Cladded Silica PCS fiber. Telecommunication, multimode full-silica glass fiber. Microscopic observation of the fiber cross-section. Measurements of the attenuation in the multimode fiber as the function of the propagating wavelength.

Student workload (ECTS credits balance)
Student activity form Student workload
Summary student workload 75 h
Module ECTS credits 3 ECTS
Participation in lectures 24 h
Participation in laboratory classes 14 h
Realization of independently performed tasks 17 h
Preparation of a report, presentation, written work, etc. 10 h
Preparation for classes 10 h
Additional information
Method of calculating the final grade:

Zgodnie z regulaminem studiów AGH.

Prerequisites and additional requirements:

1. Differentials and integrals.
2. Basic of the solid state physics.
3. Basic ray, wave and electromagnetic optics..
4. Basic circuit theory.
5. Basic signals theory.

Recommended literature and teaching resources:

1. B.E.A. Saleh, M.C.Teich – Fundamentals of Photonics – Wiley 2007.
2. G.Einarsson – Principles of Lightwave Communication – JohnWiley and Sons 1996.
3. Kasap, Safa, Capper, Peter Springer Handbook of Electronic and Photonic Materials 2017

Scientific publications of module course instructors related to the topic of the module:

Additional scientific publications not specified

Additional information:

None