Physics of Manufacturing 100Gb/s laser technology

This research project is available as part of the EPSRC Compound Semiconductor Manufacturing Doctoral Training Partnership. Four studentships will be awarded to the best applicants.

The project will result in design and assessment tools for semiconductor lasers aimed primarily at data communications.

This will involve the development of a DFB laser model, incorporating the effects of the injected carriers, through many body interactions, on the electrical and optical performance and which produces expected performance data for both the final device but also for test structures fabricated on wafer. This facilitates a detailed understanding of how both the material and structure properties affect the laser performance as a function of operation temperature. And for feedback during the fabrication process to benefit manufacturing efficiency / yield.

We expect the student to develop a leading understanding of the design of manufacturing tolerant optoelectronic components, to implement novel design ideas and to develop cutting edge skills in the modelling, fabrication and characterisation of semiconductor materials and devices.

The postgraduate student will work closely with other researchers in Cardiff working on the ESPRC Manufacturing Hub in Compound Semiconductors and colleagues in Compound Semiconductor Technologies ( and the Compound Semiconductor Centre (CSC) where the laser material will be grown.

Candidates are expected to have a strong background and interest in Optics/Photonics and Semiconductor Physics.


Peter Smowton

Professor Peter M Smowton

Deputy Head of School and Director of Research

+44 (0)29 2087 5997

Programme information

For programme structure, entry requirements and how to apply, visit the programme.

View programme
Tuition fee discount of £3,400 for eligible Welsh and EU students starting a master’s degree in September 2018.

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