MEng Electrical and Electronic Engineering

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Principles of optical propagations in different media: Optical power flow, reflection and refraction, phase and group velocity, polarization of light.

Optical Fibres: different types of fibres, single mode and multi-mode fibres, Ray propagation in fibres, attenuation and signal dispersion in fibres.

Lasers & Photodetectors:   principles of laser oscillations, semiconductor laser diodes and their properties, common types of photodetectors and their principles of operations, photodetector performance characteristics.

Optical Amplifiers:  Basic applications and types of optical amplifiers, semiconductor optical amplifiers, Erbium-doped fibre amplifiers, Raman amplifiers.

Sustainability of Optical communications networks: Data traffic growth of internet, Energy consumption in modulation, transmission, demodulation. Schemes to mitigate energy growth, longer wavelength, temperature stable lasers.

Optical Modulation and Demodulation: Direct and external optical modulators, optical realisation of modulation schemes, direct detection receivers, coherent optical receivers, types of optical noise, high level coherent and differentially coherent optical modulation schemes.

Optical transmission systems design consideration: long-haul and short-reach optical communication systems, impacts of ASE, Noise and sensitivity performance. Error rates, spectral efficiency and performance analysis. Free space optical transmission systems.

Optical Filters and Multiplexing: Common types of optical filters and their principles of operations, Polarization-division multiplexing, wavelength-division multiplexing and optical OFDM.

Passive Optical Networking:   Optical add/drop multiplexing, PONs, EPONs and GPON architectures and standards

Applications of Digital signal processing to the design of high speed optical communication systems: IF estimation and compensation, phase estimation and compensation, polarization-mode equalization, chromatic dispersions equalization.

 

 

Prereq for EEEN40492 - students taking EEEN40492 must have studied EEEN30161.

ILO 1 - Explain the basic and advanced theories of optical devices, amplifiers, structures and fibres in modern optical communication systems.  Calculate key parameters and assess their physical limitations.

ILO 2 - Quantify the implications of the exponential growth in internet traffic carried by optical communication systems, especially in terms of energy sustainability. Be able to determine the energy per bit, and apply modern methodologies to reduce it.

ILO 3 - Compare the different types of optical modulations and demodulations and evaluate their performance.

ILO 4 - Discriminate various types of optical distortions and noise; Appraise the applications of DSP algorithms for the compensation of their effects.

ILO 5 - Compare various optical structures for wavelength division multiplexing and identify their strengths and weaknesses.

ILO 6 - Design and Analyse different types of optical transmission systems and networks; Discuss specifics of existing and future PON standards.

ILO7 - Experimentally analyse system-level performance of an optical fibre transmission systems.

 

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