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Dr Craig Allford

Research Associate
Condensed Matter and Photonics Group

School of Physics and Astronomy

02920 875468
N/3.04, Queen's Buildings - North Building, 5 The Parade, Newport Road, Cardiff, CF24 3AA


I am a Postdoctoral Research Associate at the School of Physics & Astronomy, Cardiff University. I am currently emplyed by the EPSRC Future Compound Semicondcutor Hub whose vision is to establish the UK as the primary global research and manufacturing hub for Compound Semiconductor (CS) Technologies.

We aim to radically boost the uptake and application of CS technology by applying the manufacturing approaches of Silicon technologies to Compound Semiconductors. Enabling wide-spread exploitation of the highly advantageous electronic, magnetic, optical and power handling properties of CS materials, while utilising the cost and scaling of advantage of Silicon technology where best suited.

My focus is on the advanced characterisation of laser diodes, and long-term degradation studies of these devices. This work allows us to understand how to improve both the performance, and operating lifetimes of III-V compound semiconductor laser diodes. For this activity we have established an extensive suite of characterisation tools and equipment, which compliment the entensive range of fabrication equipment offered at Cardiff University by the Institute for Compound Semiconductors.


Education and qualifications:
2016: PhD (Physics), Thesis: "Resonant Tunnelling in GaAs/AlGaAs Triple Barrier Heterostructure", Cardiff University, Cardiff, UK
2009: BSc Theoretical and Computational Physics, Cardiff University, Cardiff, UK.

Career Overview:

January 2018 - Present: Research Associate, School of Physics and Astronomy, Cardiff University, Cardiff, UK.
January 2017 - December 2017: Research Fellow, School of Engineering, University of Warwick, Coventry, UK.
January 2017 - December 2017: Honorary Research Associate, School of Physics and Astronomy, Cardiff University, Cardiff, UK.
May 2016 - December 2016: Research Associate, School of Physics and Astronomy, Cardiff University, Cardiff, UK.

Professional memberships

Member of the Institute of Physics (IoP).









Experimental Physics II (Spring Semster)

I am an academic supervisor for one of the first year undergraduate laboratory sessions. The aims of the module are to:
- Develop practical experimental and analytical skills through weekly structured laboratory sessions.
- To introduce concepts of experimental method with scientific instrumentation, electronics and computer software.
- To introduce skills relating to the written communication of scientific information.
- Through select experiments to reinforce important physics concepts.


I am interested in supervising PhD students in the areas of:

  • Narrow bandgap semiconductor devices (e.g. InSb Quantum Devices).
  • Semicondcutor devices for the exploitation of Majorana Fermions.
  • Integrated Photonic Devices.
  • Advanced Laser Diode Characterisation.

Current supervision

Thomas Robinson

Research student

Reem Alharbi

Research student

Aisha Albeladi

Research student