| Topic |
Sub-topic |
| 1. Introduction to optical communications |
1.1. Reasons for the optical transmission
1.2. Digital transmission in multimode fibres
|
| 2. Electromagnetism in dielectrics |
2.1. Maxwell equations in dielectrics
2.1. Wave equations in dielectrics
2.3. Refraction index and losses
2.4. Dispersion |
| 3. Monochromatic propagation in flat guides |
3.1. Solution to the wave equation in flat guides
3.2. Guided modes: TE and TM
3.3. Modal power
3.4. Normalised parameters
|
| 4. Monochromatic propagation in step index fibres |
4.1. Solution to the wave equation in step index fibres
4.2. Guided modes
4.3. Modal power
4.4. Weakly guiding fibres
4.5. Losses; transmission windows |
| 5. Propagation of pulses in single-mode fibres |
5.1. Pulse distortion in optical fibres
5.2. Propagation of gaussian pulses in single-mode fibres
5.3. Propagation of analog signals in single-mode fibres
5.4. Dispersion minimisation in single-mode fibres |
| 6. Detection of the luminous radiation |
6.1. Light detection in semiconductors
6.2. p-i-n photodiodes and APDs
6.3. Photonic noise
6.4. Quantum efficiency and equivalent noise power |
| 7. Sources and optical amplifiers |
7.1. Photonic emission: basic concepts
7.2. Light emitting diodes (LEDs)
7.3. Semiconductor lasers (LDs)
7.4. External modulation of the laser
7.5. Doped fibre and semiconductor optical amplifiers |
| 8. Digital systems based on intensity modulation |
8.1. Basic concepts of digital transmission in fibre
8.2. Digital receiver: a simplified model
8.3. The Photonic (or quantum) limit
8.4. Interference and equalisation in a digital receiver
8.5. The effect of noise |
| 9. Analog systems based on intensity modulation |
9.1. Characteristics of the analog transmission, SCM systems
9.2. Signal-noise ratio
9.3. Distortion
9.4. Frequency planning
9.5. Design considerations
|
| 10. Introduction to WDM and to optical networks |
10.1. Introduction
10.2. WDM systems
10.3. Optical networks
10.4. Basic topologies of optical networks
10.5. FTTH
|
| Laboratory exercise 1. Measuring the numerical aperture of a multimode fibre |
Here we will measure the numerical aperture of a multimode fibre |
| Laboratory exercise 2. Acousto-optic modulator (AOM) |
Here we will built a free-space optical link that uses an AOM together with an He-Ne laser. |
| Laboratory exercise 3. Optical amplifier |
Here we will characterise an erbium doped fibre amplifier (EDFA) |
| Laboratory exercise 4. Fusion splicing. |
Fusion splicing of multimode step-index fibre. |
| Laboratory exercise 5. Digital link based on graded index fibres |
Here we will characterise a LED and a FP laser. Also, we will analyse the effects that losses and noise have on a digital link based on graded index fibres
|
| Laboratory exercise 6. Spectral characteristics of optical sources and observation of the chirp |
Characterisation of several optical sources with an optical spectrum analyser and observation of the chirp |
| Laboratory exercise 7. WDM systems |
Here we will characterise the performance of WDM systems working at 1310/1550nm |
