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PhD Studentship High Speed Mid-infrared Photodetectors

Applicants are invited to apply for a PhD scholarship in photonics at University of Southampton. This position is available for 5 years. Potential candidates should apply before August 31, 2019.

We are looking for candidates interested in a broad range of photonics to investigate new integrated (small size, efficient, integrable with other components on the same photonics chip) detectors for the mid-infrared region that will be significantly faster than those available today.

The project will involve a range of activities required in photonics, such as the design and fabrication of integrated optics, characterisation of the fabricated devices, and building/testing of photonics systems.

You will also deal with the integration of these detectors with optical waveguides, allowing for signal detection using techniques known from today's telecommunications (e.g., heterodyne detection) that can detect weak signals with significantly better signal-to-noise ratio than simple direct detection.

The outcome of this project is expected to revolutionise all potential applications in the mid-infrared, as background noise at room temperature is very strong in this spectral region, requiring advanced detection techniques to mitigate it.

Recently there has been tremendous interest in extending photonics beyond its traditional spectral regions, such as visible light for imaging, and near-infrared 'light' for telecommunications.

The mid-infrared region with wavelengths beyond 3 m has great potential important application areas such as environmental sensing, homeland security and medicine. It will also give additional spectrum bandwidth for free-space communications for 6G networks and beyond. However, today performance of photonics components (such as light sources, modulators, waveguides, and detectors) operating in the mid-infrared region needs significant improvement to be of practical interest in the above-mentioned applications.

The Optoelectronics Research Centre (ORC) PhD comprises a solid education for a research career. The structured first year involves attending our training programme running in parallel with carrying out your research project. This provides a smooth transition from your degree course towards the more open-ended research that takes place in the following years under the guidance of your project supervisors. We expect the vast majority of our students to present their work at international conferences and to write papers in leading academic journals as their research progresses. Students will emerge from the PhD with skills at the forefront of future photonics research and will benefit from the many opportunities to interact with the wider community of PhD students across the Southampton Campus through academic, sporting and cultural events.

The ORC is one of the world's leading photonics research institutes. A PhD here has enabled our past graduates to make successful careers in academia, in national laboratories, and as scientists or business leaders in industry.

Entry requirements: first or upper second-class degree or equivalent

Funding: For UK students, full tuition plus an enhanced stipend of 18,000 tax-free per annum for up to 3.5 years. http://www.orc.southampton.ac.uk/phd_funding.html . Overseas students who have secured external funding are welcome to apply.

Assessment: nine-and 18-month reports and viva voce determine progression to PhD; progression reports, viva voce and thesis examination.


Summary:

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