FSK3883 Fiber-Optic Communication 9.0 credits
Fiberoptisk kommunikation
The high ways of the IT society are the optical fibers. An optical fiber can transport several tens of terabit per second over hundreds of kilometers. Fiber-optic communication is an established technique but is simultaneously in rapid technical development towards higher bit-rates and more complex networks. The course will give you the knowledge in order to understand both the fundamentals and the rapid development, that you as professional engineer can use the fiber optics efficiently. The course treats important devices as optical fibers, laser diodes, optical detectors, and receivers from physical and transmission system point of view. You will also learn how to optimise optical communication links and calculate the bit error rate. The course follows the undergraduate course SK2811 but includes also a project assignment where the student will design and simulate a fiber-optic system. The language is english
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The course is given annually if there at least five undergraduate or graduate students have registered in the advance cours.
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Course information
Content and learning outcomes
Course contents *
Dielectric waveguides: Attenuation, wavelength dispersion, modes, fields.
Light sources and optical amplifiers: Semiconductor laser, light-emitting diode, rate equations, output power, modulation response, chirp, noise, optical amplifiers.
Detectors: PIN-diode, avalanche diode, responsivity, bandwidth, noise.
Transmission systems: Optical links, direct detection systems, soliton systems, coherent systems, multilevel signaling, dispersion limitations, attenuation limitations, additive noise, signal dependent noise, bit error rate, optical networks, simulation and design
Intended learning outcomes *
Knowledge of fiber-optical components and systems with applications to communications. Parameters of devices that are relevant for the system performance are derived from physical descriptions, and form the input parameters for the design of fiber-optic links.
After a completed course, the participants should be able to:
- understand, describe, analyse, and compare the most important devices: optical transmitters, optical fibers, and optical detectors
- design digital fiber-optic links.
- simulate a multilevel coherent fiber-optic communication system using computer software
Course Disposition
The course is given in a traditional way, i.e. with lectures (28h) followed by corresponding exercises (16h). There are also two laboratory works (2*4h) and one project assignment. The course follows the undergraduate course SK2811 but includes also a project assignment where the student will design and simulate a fiber-optic system. If the total number of students of both courses is less than 10, the exercise sessions will be replaced with corresponding self studies. The language is English.
Literature and preparations
Specific prerequisites *
Enrolled as PhD student.
It is anticipated that the students are acquainted with:
- Waveguides: Wave equation and the concept of modes.
- Solid-state electronics: p-n-junction
- Circuit theory: Impulse response, convolution, transfer function of linear systems.
- Signal theory: Auto correlation function, power spectral density
Recommended prerequisites
It is anticipated that the students are acquainted with:
- Waveguides: Wave equation and the concept of modes.
- Solid-state electronics: p-n-junction
- Circuit theory: Impulse response, convolution, transfer function of linear systems.
- Signal theory: Auto correlation function, power spectral density
Equipment
Calculator and access to a computer for the project assignment
Literature
Fiber-Optic Communication Systems by Govind Agrawal, 4th edition, Wiley.
Examination and completion
Grading scale *
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Examination *
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Based on recommendation from KTH’s coordinator for disabilities, the examiner will decide how to adapt an examination for students with documented disability.
The examiner may apply another examination format when re-examining individual students.
TEN1: written exam, 6 hp, grading: P/F
Calculator, mathematic handbook, the course book and the lecture notes (but NOT exercise notes) are allowed and recommended aids
LAB1: laborations, 1.5 hp, grading: P/F
PRO1: projekt task, 1.5 hp, grading: P/F
Other requirements for final grade *
To pass the course the student should pass the written exam, the lab exercises and the project assignment.
Opportunity to complete the requirements via supplementary examination
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Opportunity to raise an approved grade via renewed examination
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Examiner
Further information
Course web
Further information about the course can be found on the Course web at the link below. Information on the Course web will later be moved to this site.
Course web FSK3883Offered by
Main field of study *
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Education cycle *
Third cycle
Add-on studies
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Contact
Richard Schatz (rschatz@kth.se)
Ethical approach *
- All members of a group are responsible for the group's work.
- In any assessment, every student shall honestly disclose any help received and sources used.
- In an oral assessment, every student shall be able to present and answer questions about the entire assignment and solution.
Supplementary information
The course follows the undergraduate course SK2811 but includes also a project assignment where the student will design and/or simulate a fiber-optic system.