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PhD in Heterogeneously Integrated TFLN-on-SiN Platform for Ultra-High-Speed Photonics University of Southampton in United Kingdom
Degree Level
PhD
Field of study
Electrical Engineering
Funding
Competition funded PhD project. Fees and funding are available; the post does not specify the stipend amount in the provided text.
Deadline
Feb 2, 2027
Country
United Kingdom
University
University of Southampton

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About this position
PhD opportunity at the University of Southampton in heterogeneously integrated thin-film lithium niobate (TFLN) on silicon nitride (SiN) photonics.
This postgraduate research project focuses on combining low-loss silicon nitride photonic circuits with the strong electro-optic response of thin-film lithium niobate to build a scalable platform for ultra-high-speed photonics. The research will investigate material integration, optical transitions between SiN and TFLN regions, and radio-frequency/electrode design for high-bandwidth electro-optic devices.
Core research themes include integrated photonics, optical modulation, radio-frequency design, device fabrication, and experimental characterisation. The project aims to develop high-speed modulators and may also explore wavelength conversion or electro-optic frequency-comb generation. Expected outcomes include validated integration processes, device designs targeting at least 100 GHz electro-optical bandwidth, and quantified fabrication tolerances.
The project is hosted by the School of Optoelectronics (ORC), Faculty of Engineering and Physical Sciences, University of Southampton. Training is provided in photonic and optical modelling tools such as Ansys Lumerical, COMSOL Multiphysics, and Zemax, plus cleanroom fabrication and silicon photonic chip testing in Southampton’s facilities.
Funding: Competition funded. The page indicates fees and funding are available, but no stipend amount is stated in the provided text.
Eligibility: A 2:1 honours degree is required. The page does not list additional language or test waivers.
Deadline: 2 February 2027.
Funding details
Competition funded PhD project. Fees and funding are available; the post does not specify the stipend amount in the provided text.
What's required
Applicants should have a 2:1 honours degree. The project is suited to candidates interested in photonics, optical modelling, device fabrication, and experimental characterisation. Training will be provided in modelling tools and cleanroom/device testing, so prior experience is helpful but not explicitly required.
How to apply
Review the project details and full entry requirements on the University of Southampton page, then apply through the postgraduate research application process before the closing date. Use the project page to proceed to the application route and contact the university if you need clarification.
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