IO2653 Fiber-optical Communication 7.5 credits

Dielectric wave-guides: Attenuation, wavelength dispersion. Light sources: Semiconductor laser, light emitting diode, rate equations, output power, modulation, noise, laser amplifiers, chirp. Detectors: PIN diode, avalanche diode, responsivity, bandwidth, noise, Systems: Direct detection systems, heterodyne systems, attenuation limitations, dispersion limitations, signal dependent noise, additive noise, bit error rate, optical networks, solitones.

The course content is knowledge of fibre optical components, links, and systems. The system relevant parameters of devices are derived from a physical description, and these parameters form the basis for designing fibre optic links.

After a completed course the participants should be able to:

-Understand, describe, analyze, compare the most important devices: light sources, fibres and detectors from both physical and system point of view.

-Design digital fibre optic links and.

It is assumed that the participants are familiar with:

- Wave guides, i.e. wave equation and modes, which is given in EI1240, EI1250 or EI1260 or in the wave guide chapter in Microwave Engineering IT2651;

- Circuit theory, i.e. impulse response, convolutions, and transfer function for time continuous signals, which is taught in Signals and Systems EQ1100 or SF1635;

- Pn-junction, which is taught in Solid state components IH1611 or IH2651;

- Noise, i.e. the concepts of auto correlation for analogue signals, spectral density and filtering, which is taught in Signal theory EQ1200;

Agrawal: ”Fiber-Optic Communication Systems”, third edition, Wiley 2002. Other course litterature includes collection of problems, old examinations and laboratory instructions

If the course is discontinued, students may request to be examined during the following two academic years.

• LAB1 - Laboratory Course, 1.5 credits, grading scale: P, F
• TEN1 - Examination, 6.0 credits, grading scale: A, B, C, D, E, FX, F

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.

One written examination (TEN1, 6 credits) and lab course (LAB1, 1.5  credit)

Urban Westergren

• 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.

The course is replaced by SK2811 as from autumn term 2017.