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Green photonics: Silicon based QD light sources

This research project involves realisation of electrically-pumped lasers based on silicon (Si) substrates which is the fundamentally disruptive step that enables the unification of III-V based communications technology with Si data processing and memory electronics.

The precise outcomes of such a step are impossible to predict in their entirety but will clearly transform computing and the digital economy, revolutionise healthcare through patient monitoring and provide a step change in energy efficiency. Together with our partners based in UCL, Sheffield and Warwick we aim to demonstrate uncooled, high efficiency sources grown on Si substrates, compatible with future CMOS processes. As an example of the application of this work we will produce an integrated source for Optical Coherence Tomography (OCT), a powerful imaging technology which is used in medical diagnostics.

Publications

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The project team

Project lead

Peter Smowton

Professor Peter Smowton

Head of School, Physics and Astronomy
Managing Director, Institute for Compound Semiconductors
Condensed Matter and Photonics Group


Support

This research was made possible through the support of the following organisations: