Computational physics of high‑power fibre lasers: from nonlinear dynamics to next‑generation applications

About the Project

Supervisory Team: Dr Peter Horak and Prof Michalis Zervas

This project will use advanced theory and computer simulations to uncover the fundamental processes that restrict laser performance, helping design the next generation of lasers for science, industry, and healthcare.

High‑power fibre lasers are transforming technology, from precision manufacturing to medical surgery. But as we push them to ever higher powers, new physical challenges emerge. This project gives you the chance to work in a supportive, collaborative team to tackle those challenges head‑on, combining cutting‑edge physics with advanced computational tools.

The project is part of the High-Power Photonics (HiPPo) programme, funded by the UK Research Council and based at the Optoelectronics Research Centre. Our goal is to develop the next generation of fibre lasers by combining novel fibre designs with intelligent control strategies, including machine learning, to achieve unprecedented power and beam quality.

Your will focus on numerical simulations and theoretical modelling of light generation in large‑core, few‑mode and multimode fibres. You will explore how the spatial structure of the laser beam evolves under the influence of gain, losses, nonlinear effects, dispersion, and even thermal and acoustic interactions. These insights will directly guide experiments in our labs and at our industrial partners, giving your work immediate impact.

You will gain expertise in computational physics, nonlinear optics, and laser science. Alongside technical skills, you will develop problem‑solving, collaboration, and communication abilities that are highly valued in both academia and industry. This project is ideal if you are someone excited by the idea of using simulations to unlock the physics behind some of the world’s most powerful lasers, and to shape technologies that will drive the future of manufacturing, medicine, and beyond.

Entry Requirements

You must have a UK 2:1 honours degree, or its international equivalent.

Closing date: 31 August 2026. Applications will be considered in the order that they are received, the position will be considered filled when a suitable candidate has been identified.

Funding: We offer a range of funding opportunities for both UK and international students. Horizon Europe fee waivers automatically cover the difference between overseas and UK fees for qualifying students.

Competition-based Presidential Bursaries from the University cover the difference between overseas and UK fees for top-ranked applicants.

Competition-based studentships offered by our schools typically cover UK-level tuition fees and a stipend for living costs for top-ranked applicants.

Funding will be awarded on a rolling basis, so apply early for the best opportunity to be considered.

For more information, please visit our postgraduate research funding pages.

How To Apply

Apply online: Search for a Postgraduate Programme of Study (soton.ac.uk)

You need to:

• choose programme type (Research), 2026/27, Faculty of Engineering and Physical Sciences
• select Full time or Part time
• search for programme PhD ORC (7097)
• add name of the supervisor in section 2 of the application

Applications should include:

• your CV (resumé)
• 2 academic references
• degree transcripts and certificates to date
• English language qualification (if applicable)

For further information please contact: feps-pgr-apply@soton.ac.uk