OPTICAL COMMUNICATIONS
Stampa
Enrollment year
2017/2018
Academic year
2018/2019
Regulations
DM270
Academic discipline
ING-INF/01 (ELECTRONICS)
Department
DEPARTMENT OF ELECTRICAL,COMPUTER AND BIOMEDICAL ENGINEERING
Course
ELECTRONIC ENGINEERING
Curriculum
Microelectronics
Year of study
Period
2nd semester (06/03/2019 - 14/06/2019)
ECTS
9
Lesson hours
78 lesson hours
Language
English
Activity type
WRITTEN AND ORAL TEST
Teacher
ANNOVAZZI LODI VALERIO (titolare) - 5 ECTS
GIULIANI GUIDO - 4 ECTS
Prerequisites
Basic knowledge of electromagnetic theory, optics and electronics from the courses of the First Level Degree in Electronics and Telecommunications; basic knowledge on lasers and photodetectors.
Learning outcomes
This course is a survey on optical communications, and provides information on the propagation medium (the fiber), lasers and detectors, passive components,optical amplification, and telecommunication systems.
Course contents
Optical Fiber, Emitters and Photodetectors, Passive components, Networks, Measurements

Optical Fibers
Single-mode and multi-mode fibers, specialty fibers. Geometrical and optical parameters. Modal theory of fibers. Attenuation. Dispersion.

Emitters and Photodetcters
Lasers and LEDs for optical communications. Laser/fiber coupling. Photodiodes for optical communications.

Passive components
Connectors and splices. Coupled-mode theory. Couplers; mirrors and resonators with couplers. Retarders and polarizer. Isolators and circulators. Modulators. Bragg gratings and filters. Arrayed waveguide devices.

Telecommunication systems
Point to point interconnections. Networks. Power budget. Electro-optic repeater. Optical amplifiers. Multi-wawelength transmission (WDM). Coherent detection.

Measurements

Measurements on fibers and on devices for optical communications: power, attenuation, return loss, geometrical parameters, dispersion and frequency response. OTDR, BER tester.
Teaching methods
The course includes frontal lessons, during which the course topics are carried out including several examples, using overhead projection of transparencies and Powepoint presentations. The course is completed by some laboratory activity, where optical devices and measurement instrumentation for optical networks are shown.
Reccomended or required readings
Gerd Keiser. Optical fiber Communications. McGraw Hill. For reference only.

Dispense di Comunicazioni ottiche dalle lezioni dei prof. Silvano Donati, Valerio Annovazzi Lodi, Guido Giuliani. CUSL (in Italian).

Copies of transparencies (on the Kiro web site).
Assessment methods
A written examination, including both numerical exercises and theoretical questions, will test the candidate's knowledge on modern optical networks and their components and subsystems presented in the course, as well as its ability to perform simple numerical evaluations on optical signal transmission.
Further information
A written examination, including both numerical exercises and theoretical questions, will test the candidate's knowledge on modern optical networks and their components and subsystems presented in the course, as well as its ability to perform simple numerical evaluations on optical signal transmission.
Sustainable development goals - Agenda 2030