Sumários

Lesson nº 14

3 Novembro 2022, 16:00 • Rita Sousa

Dispersion compensation. Simulation of linear propagation in singlemode fibre. Simulation and generation of wavelength division multiplexing signals. Eye opening penalty.

Review on the second simulation work. Simulation of IM-DD system in back-to-back with a given extinction ratio and optical power incident on the PIN photodetector. Linear transmission in single-mode fibre: loss, group velocity dispersion and higher order dispersion. Analysis and physical effects of each term of the single-mode fibre transfer function. Analyses of data sheets of several single-mode fibre types.

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27 Outubro 2022, 16:00 • Rita Sousa

Optical amplifiers: Raman amplifiers, semiconductor optical amplifiers and Erbium doped fibre amplifiers. Optical signal-to-noise ratio. Optical filtering. Filtering of optical noise. Generation of DWDM signals and crosstalk resulting from imperfect optical filtering. Types of optical fibres.

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27 Outubro 2022, 14:30 • Rita Sousa

Simulation of external modulation of digital signals: analysis of the impact of linear and nonlinear conversion on the eye diagram through simulation. Review on the second simulation work. Modelling of optical amplifiers and generation of amplified spontaneous emission noise. Beating terms resulting from photodetection.

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20 Outubro 2022, 16:00 • Rita Sousa

MZM datasheets analyses. Optical receivers. Modelling of PIN photodetectors and detected current. Photodetector datasheets analyses. Modelling and simulation of shot noise and circuit noise in optical receivers. Modelling and simulation of shot noise and circuit noise in optical receivers. Optical amplifiers: Raman amplifiers, semiconductor optical amplifiers and Erbium doped fibre amplifiers. Modelling of optical amplifiers and generation of amplified spontaneous emission noise.