PhD Studentship: Semiconductor devices for nonlinear photonics and applications

University of Southampton

Supervisor: Prof Anna Peacock

Semiconductor photonics is fast becoming one of the most active areas of research, offering optoelectronic solutions for a wide range of applications not only in telecoms, but also in medicine, imaging, spectroscopy, and sensing. Within this field, a subdivision that is gaining increased momentum is semiconductor nonlinear photonics as the materials display a number of important nonlinear effects that can be used to generate and process signals at ultrafast speeds. This research project will follow the development of semiconductor devices fabricated both from conventional planar waveguides on-chip as well as those based on an emerging platform that incorporates semiconductor materials directly into the cores of optical fibres. In particular, the semiconductor fibre platform offers a unique possibility to seamlessly link semiconductor technologies with the silica fibre infrastructures that are used to transmit light around the globe – one of the key challenges facing the mass uptake of integrated photonic chips. A number of devices will be explored including amplifiers, frequency converters, couplers, all-optical modulators and sensors and will involve both theoretical modelling of the waveguide structures, as well as construction and characterization of the devices.

This project is supported by the EPSRC project “Integrated nonlinear silicon photonics: a route to smaller, faster, greener systems” and will draw on the state-of-the-art facilities within the Southampton Nanofabrication Centre.

A fully funded PhD place on this project is available for UK applicants. Students from overseas who have secured external funding are also welcome to apply. Students with a background in physics and an interest in semiconductor materials and nonlinear optics would be a good fit to this exciting project area.

Please contact Prof Anna Peacock ( ) for further details and visit our group pages: ( . 

Key facts

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

Closing date: applications should be received no later than 31 August 2017 for standard admissions, but later applications may be considered depending on the funds remaining in place. Early application is recommended.

Duration: up to four years (full time) and seven years (part time)

Funding: Full scholarships are available for UK students with an enhanced stipend of £18,000 per annum for 3.5 years. International and EU students are encouraged to seek full or partial funding from other sources (e.g. national government scholarships, commonwealth scholarships, self-funding etc.).  

Assessment: annual reports and viva voce determine progression in PhD; viva voce and thesis examination for the final PhD award

Start date: typically end September

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