First cycle
degree courses
Second cycle
degree courses
Single cycle
degree courses
School of Engineering
ICT FOR INTERNET AND MULTIMEDIA
Course unit
OPTOELECTRONICS FOR GREEN TECHNOLOGIES
INP9087852, A.A. 2019/20

Information concerning the students who enrolled in A.Y. 2019/20

Information on the course unit
Degree course Second cycle degree in
ICT FOR INTERNET AND MULTIMEDIA (Ord. 2019)
IN2371, Degree course structure A.Y. 2019/20, A.Y. 2019/20
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Degree course track TELECOMMUNICATIONS [001PD]
Number of ECTS credits allocated 6.0
Type of assessment Mark
Course unit English denomination OPTOELECTRONICS FOR GREEN TECHNOLOGIES
Department of reference Department of Information Engineering
Mandatory attendance No
Language of instruction English
Branch PADOVA
Single Course unit The Course unit can be attended under the option Single Course unit attendance
Optional Course unit The Course unit can be chosen as Optional Course unit

Lecturers
Teacher in charge CARLO DE SANTI ING-INF/01
Other lecturers MATTEO MENEGHINI ING-INF/01

Mutuating
Course unit code Course unit name Teacher in charge Degree course code
INP9087852 OPTOELECTRONICS FOR GREEN TECHNOLOGIES MATTEO MENEGHINI IN2371

ECTS: details
Type Scientific-Disciplinary Sector Credits allocated
Educational activities in elective or integrative disciplines ING-INF/01 Electronics 6.0

Course unit organization
Period First semester
Year 1st Year
Teaching method frontal

Type of hours Credits Teaching
hours
Hours of
Individual study
Shifts
Laboratory 1.0 8 17.0 No turn
Lecture 5.0 40 85.0 No turn

Calendar
Start of activities 30/09/2019
End of activities 18/01/2020
Show course schedule 2019/20 Reg.2019 course timetable

Examination board
Board From To Members of the board
1 A.A. 2019/2020 01/10/2019 15/03/2021 MENEGHINI MATTEO (Presidente)
VOGRIG DANIELE (Membro Effettivo)
BEVILACQUA ANDREA (Supplente)
DE SANTI CARLO (Supplente)
GEROSA ANDREA (Supplente)
MENEGHESSO GAUDENZIO (Supplente)
NEVIANI ANDREA (Supplente)
ZANONI ENRICO (Supplente)

Syllabus
Prerequisites: Basic knowledge concerning laws of electromagnetism, optics, atomic physics. Basic knowledge concerning
working principles of semiconductor device.
Target skills and knowledge: Knowledge: Properties of semiconductor materials. Silicon and compound semiconductor properties. Light
absorption and generation mechanisms in semiconductors. Spontaneous and stimulated emission in
semiconductors. Optoelectronic devices : Light Emitting Diodes, Lasers, photodetectors, solar cells.
Skills: Ability to analyze the electrical and optical properties of optoelectronic devices and to define
which characteristics are required for the various fields of application. Evaluation of the efficiency of LED
devices and photovoltaic devices. Derivation of simple models of electrical and optical behavior of
optoelectronic devices starting from a physical description of devices (geometries, composition, dopants,
thickness of the epitaxial layers).
Examination methods: Mid-term and final tests, including numerical problems and questions concerning operation of optoelectronic
devices. Homework assignments.
Assessment criteria: Knowledge on optoelectronic semiconductor device operation, on device physics and on semiconductor material
properties. Operation of heterojunctions, LED, lasers, photodetectors and solar cells. Students are asked to
be able to solve simple problems concerning optoelectronic devices operating principles and their
applications.
Course unit contents: Elementary quantum mechanics. Heterostructures. Anderson theory for band alignment. Band diagrams.
Capacitance-voltage profiling. Quantum wells. Compound semiconductor devices, heterojunctions and their
properties. Optical properties of semiconductors. Radiative transitions, light absorption; rate equations.
Non-radiative recombination, Auger recombination. Theory of radiative recombination in semiconductors.
Light-emitting devices, Light Emitting Diodes (LED). Current-voltage LED characteristics. Non-ideality of I-V
characteristics, parasitic resistances. Carrier loss and carrier overflow; electron blocking layers: case
histories, efficiency droop. Dependence on temperature of electrical and optical characteristics. Internal
and external quantum efficiency, extraction efficiency. High efficiency LEDs. Semiconductor lasers:
conditions for laser oscillation, gain threshold voltage.
Mode propagation in the optical cavity. Laser diodes operating principles. Steady-state rate equations.
Optical power vs current laser characteristics. Semiconductor lasers for optical fiber communications.
Superluminescent diodes. Photodetectors: pin diodes, avalanche photodetectors (APD), Metal Semiconductor
Metal detectors (MSM), fototransistors. Solar cells: structure, operating principles, deviations from
ideality. Optimized structures for solar cells: multijunction cells, thin film photovoltaic devices. Solar
concentration. Reliability in optoelectronics, assignment of master thesis topics.
Planned learning activities and teaching methods: Planned learning activities and teaching methods:
Theory, pen-and-paper analysis of application problems, experiments, as demonstrations in class and hands-on
in the laboratory. Visit to Department research laboratories and overview of the research work developed at
DEI with major electronic and optoelectronic semiconductor companies worldwide, with application to
telecommunication, bioengineering, lighting, power electronics, automotive.
Additional notes about suggested reading: Lecture notes, powerpoint slides, solved problems and selected research papes are available on the course
website
Textbooks (and optional supplementary readings)
  • Kasap, Safa O.; Sinha, Ravindra Kumar, Optoelectronics and photonicsprinciples and practices S. O. Kasap. Boston [etc.]: Pearson, 2013. Cerca nel catalogo
  • Schubert, E. Fred, Light-emitting diodes E. Fred Schubert. Cambridge: Cambridge University, 2006. Cerca nel catalogo