454-0321/02 – Optoelectronics II (OPT II)

Gurantor departmentDepartment of TelecommunicationsCredits6
Subject guarantorprof. RNDr. Vladimír Vašinek, CSc.Subject version guarantorprof. RNDr. Vladimír Vašinek, CSc.
Study levelundergraduate or graduateRequirementOptional
Year1Semestersummer
Study languageCzech
Year of introduction2005/2006Year of cancellation2009/2010
Intended for the facultiesFEIIntended for study typesFollow-up Master
Instruction secured by
LoginNameTuitorTeacher giving lectures
KOU137 Ing. Petr Koudelka, Ph.D.
SIS017 doc. Ing. Petr Šiška, Ph.D.
SKA109 Ing. Jan Skapa, Ph.D.
VAS40 prof. RNDr. Vladimír Vašinek, CSc.
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Credit and Examination 4+2
Combined Credit and Examination 4+6

Subject aims expressed by acquired skills and competences

Understand the proposal of optical transmission routes. Learning outcomes are set so that the students are able to identify and apply tasks in the field of optoelectronics.

Teaching methods

Lectures
Tutorials
Experimental work in labs

Summary

The transmission properties of the optical fibers create the content oh the subject. Further the connection and measurement of optical fiber and cables and the installation technology imagine the scope of subject.

Compulsory literature:

Ghatak,A.K., Thyagarajan,K.: Introduction to fiber optics. Cambridge University Press, 1.vydání, 1998, ISBN 0-521-577853 Agrawal,G.P.: Fiber optic communication systems. J.Wiley and Sons, 1. vydání, 1992, ISBN 0-471-54286-5 Hoss,R.J., Lacy,E.A.: Fiber Optics. Prentice Hall Inter.Inc., 2.vydání, 1993, ISBN 0-13-181389-7

Recommended literature:

Way of continuous check of knowledge in the course of semester

Podmínky udělení zápočtu: Absolvování testu č.1 a testu č.2 Odevzdání všech protokolů z měření

E-learning

Další požadavky na studenta

Prerequisities

Subject has no prerequisities.

Co-requisities

Subject has no co-requisities.

Subject syllabus:

Lectures: Fabrication of optical fibers and cables 1 - Requirements on technologies, preparation of molten glasses, fusible technologies, fibre drawing, rdawing of long fibers - double-crucible method, deposition technologies, OVPO, VAD, MCVD, PCVD technologies, optical fibers coatings, primary and secondary tight coating, optical cables for telecommunications and data transmission, basic structure of optical cable Fabrication of optical fibers and cables 2 - Mechanical parameters of optical cables, protection and humidity resistivity, gels in optical cables, protection of optical cables to biological influences, materials for cable coatings, PVC, polyurethan (PUR), HDPE, nylon, teflon, LSZH materials, examples of optical cable datasheets Installation methods and procedures with optical cables, Installation methods, installation in climbing-irons, cable laying into protective pipes, protection to lightning, self-supporting cables, cables for chemical industry, calbles for higher temperature, blowing technologies, new cable laying technologies of optical cables, structure of telecommunication optical lines, structured cabling systems, optical swichtgears, design of optical lines, attenuation budget, total dispersion budget Optical fiber cable connectorization 1 - Mounting splices, fixed splices, intrinsic and extrinsic losses in splices, reflection loss, insertion loss, optomechanical splices, fused splices, fusion splicers of optical fibers, fusion splice protection, optical connectors, basic structure of optical connectors, insertion loss of optical connector, return loss Optical fiber cable connectorization 2 - Distribution curve of insertion loss, repeatability of connectio, mounting density of optical connectors and their compatibility with optical cables and appliances, types and materials for optical ferrules, types of optical connectors-SMA, FC, ST, SC, FDDI, ESCON, E2000, new types of optical connectors-MTRJ, MTP, MU, MINIMAC, the latest trends in connections with optical connectors Tests and measurements of otical fibers and cables- 1 Kinds of measurements, measurement at SM and MM optical cables, attenuation measurement, conditions for correct attenuation measurement, cut off method, direct method of attenuation measurement, OTDR-metr, basic parts of OTDR-metr, dead zones Tests and measurements of otical fibers and cables -2 Curve routing of backscattering, cable factor, shape of faults on the backscattering curve, chromatic dispersion, methods for chromatic dispersion measurement, differential phase shift, time delay of pulses, BERT, measurement of insertion loss of connectors and other passive elements in optical lines, return loss measurement Basics of sources for optical communications - lasers Basic properties of lasers, spontaneous and stimulated radiation, population inversion, positive feedback, material loss, laser activity and conversion laser characteristics, characteristics and laser light properties, diode lasers, basic structures of laser diodes, DH, BH, stripe lasers, QW lasers, VCSEL, optical resonators, restriction of the bandwidth, DFB and DBR lasers, laser diodes with and without active cooler, datasheets parameters of laser diodes Basics of sources for optical communications -LEDs Advantages and disadvantages of LEDs to laser dodes, creation of photons in semiconductors, light radiation from pn junction, basic description and LED characteristics, homostructure LEDs, heterostructure LEDs, surface radiating LEDs(SLED), edge radiating LEDs(ELED), light coupling into optical fiber, technology improving coupling of optical fiber to LEDs, datasheets parameters of LEDs, modulating bandwidth Sources for optical communications-advanced description 1 - Intrinsic semiconductors:Fermi enrgy levels and number of charge carriers, charge carriers density, effective mass of electrons and holes, doped semiconductors, materials for optical communications, PN junction unbiased, density of electrons and holes, biased PN junction, direct and indirect transitions, conservation of energy and momentum law, E-k diagram, Einstein´s rate relations, two-levels systems, equilibrium radiation from two-levels system, relationship between spontaneous and stimulated radiation, emission and absorption of radiation, absorption coefficient and linear coefficient of material amplification Sources for optical communications-advanced description 2 - Conditions for light amplification, population inversion-description, population inversion and methods of its realisation, three levels and four levels systems, optical feedback, phenomena in optical resonator, threshold condition for laser amplification, losses in optical resonator, total amplification and population inversion, amplification coefficient for small signals Sources for optical communications-advanced description 3 - Efficiency of laser diodes-internal, external, differential, power, laser resonator efficiency, threshold amplification and linewidth, radiating and nonradiating recombinations and their influence to laser diodes efficiency, conditions for high laser efficiency, heterosctuctures and their function, efficiency in terms of an E-k diagram, characteristics of laser diodes, threshold current and operating current of laser diode, spectral properties of LDs, radiation patterns of LD, longitudinal and transverse modes of laser radiation, LD modulation Sources for optical communications-advanced description - 4 Theoretical limit of laser modulation rate, analog and digital modulation of LDs, rate equations of LD, relaxation oscillation of LD, Transfer function of LD, intensity modulation of LD, chirp, noise of LD, RIN and its description, transmitter modules, function block diagram, driving circuits of LD transmitters, link codes for data transmission, circuit solution of optical transmitters with LEDs and LDs Sources for optical communications-advanced description - 5 Modulation circuits, controlling and monitoring circuits, coupling light from LED transmitter, coupling light from laser transmitter, backreflection protection of LD, integral characteristic of optical transmitter-eye diagram, faults of optical transmitters and their consequences in eye-diagram, internal and external modulators, Mach-Zehnder modulator, elektroabsorption modulator Exercises: Working with catalogue sheets of optical cables Calculation of mechanical parameters of optical cables Attenuation and dispersed budget of optical route The statistical evaluation of optical connections and attenuation measurement, protocols for measuring Parameters of laser beam calculation The calculation of terminal degrees circuit with LED and LD Coupling efficiency LED-optical fibre and optical fibre LD Laboratories: Measurement of VA characteristics of LED and LD Measurement P / I characteristics of LED and LD Measurement directional characteristics of LED and LD Impact of the number of coils in the downturn multi-mode optical fibre Measurement, depending on the route optical wavelength Measurement : optomechanics connectors on a calibrated capillary Measurement: optomechanics connectors with a V-slot

Conditions for subject completion

Full-time form (validity from: 1960/1961 Summer semester)
Task nameType of taskMax. number of points
(act. for subtasks)
Min. number of points
Exercises evaluation and Examination Credit and Examination 100 (100) 51
        Exercises evaluation Credit 45 (45) 0
                Other task type Written test 10  0
                Test č.2 Written test 10  0
                Odevzdání všech protokolů z měření Laboratory work 25  0
        Examination Examination 55 (55) 0
                Oral Oral examination 55  0
Mandatory attendence parzicipation:

Show history

Occurrence in study plans

Academic yearProgrammeField of studySpec.FormStudy language Tut. centreYearWSType of duty
2009/2010 (N2647) Information and Communication Technology (2601T013) Telecommunication Technology P Czech Ostrava 1 Optional study plan
2009/2010 (N2647) Information and Communication Technology (2612T059) Mobile Technology P Czech Ostrava 1 Optional study plan
2009/2010 (N2649) Electrical Engineering (2612T015) Electronics P Czech Ostrava 1 Optional study plan
2009/2010 (N2647) Information and Communication Technology (2601T013) Telecommunication Technology K Czech Ostrava 1 Optional study plan
2009/2010 (N2647) Information and Communication Technology (2612T059) Mobile Technology K Czech Ostrava 1 Optional study plan
2009/2010 (N2649) Electrical Engineering (2612T015) Electronics K Czech Ostrava 1 Optional study plan
2008/2009 (N2647) Information and Communication Technology (2601T013) Telecommunication Technology P Czech Ostrava 1 Optional study plan
2008/2009 (N2647) Information and Communication Technology (2601T013) Telecommunication Technology K Czech Ostrava 1 Optional study plan
2008/2009 (N2647) Information and Communication Technology (2612T059) Mobile Technology P Czech Ostrava 1 Optional study plan
2008/2009 (N2647) Information and Communication Technology (2612T059) Mobile Technology K Czech Ostrava 1 Optional study plan
2008/2009 (N2649) Electrical Engineering (2612T015) Electronics P Czech Ostrava 1 Optional study plan
2008/2009 (N2649) Electrical Engineering (2612T015) Electronics K Czech Ostrava 1 Optional study plan
2007/2008 (N2647) Information and Communication Technology (2601T013) Telecommunication Technology P Czech Ostrava 1 Optional study plan
2007/2008 (N2647) Information and Communication Technology (2601T013) Telecommunication Technology K Czech Ostrava 1 Optional study plan
2007/2008 (N2647) Information and Communication Technology (2612T059) Mobile Technology P Czech Ostrava 1 Optional study plan
2007/2008 (N2647) Information and Communication Technology (2612T059) Mobile Technology K Czech Ostrava 1 Optional study plan
2007/2008 (N2649) Electrical Engineering (2612T015) Electronics P Czech Ostrava 1 Optional study plan
2007/2008 (N2649) Electrical Engineering (2612T015) Electronics K Czech Ostrava 1 Optional study plan
2006/2007 (N2647) Information and Communication Technology (2601T013) Telecommunication Technology P Czech Ostrava 1 Optional study plan
2006/2007 (N2647) Information and Communication Technology (2601T013) Telecommunication Technology K Czech Ostrava 1 Optional study plan
2006/2007 (N2647) Information and Communication Technology (2612T059) Mobile Technology P Czech Ostrava 1 Optional study plan
2006/2007 (N2647) Information and Communication Technology (2612T059) Mobile Technology K Czech Ostrava 1 Optional study plan
2006/2007 (N2649) Electrical Engineering (2612T015) Electronics P Czech Ostrava 1 Optional study plan
2006/2007 (N2649) Electrical Engineering (2612T015) Electronics K Czech Ostrava 1 Optional study plan

Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner