Institute of Photonics Photonic Materials & Devices

This group is led by Professor Martin Dawson, and presently consists of around 18 members of staff and students.

Since 2002 the group has been fabricating gallium-nitride (GaN) micro-LEDs. The research is motivated by the potential use of these high-density arrays of micro-structured light-emitters in instrumentation and scientific applications.

We have fabricated arrays of micro-disk, micro-ring and micro-stripe devices at wavelengths from the ultraviolet (370nm) to green (540nm), and operated them in parallel-addressed (all elements on) and matrix-addressed (individually addressable) formats. These devices are being explored for use in:

  • microscopy (sectioned imaging, fluorescence lifetime imaging)
  • high data rate optical communications
  • lab-on-chip screening
  • single pixel imaging
  • genechip synthesis
  • light-patterned electrodes
  • mask-free lithography]
  • hybrid organic/inorganic LEDs

The group has been involved in several large multi-partner, multi-disciplinary grants, and is currently an academic partner in The UK Quantum Technology Hub in Quantum Enhanced Imaging (QuantIC), one of four UK Hubs that are part of the Government’s £1bn National Quantum Technology Programme set up to exploit the potential of quantum science and develop a range of emerging technologies.

Our key research interests

Who we work with

At present we are an academic partner in the UK Quantum Technology Hub on Quantum Enhanced Imaging (QuantIC), led by Professor Miles Padgett of the University of Glasgow, with other academic partners at the Universities of Edinburgh, Exeter, Southampton, Heriot Watt, Imperial College, and Bristol.

Major academic partners, past and present, include:

  • The University of Strathclyde: Professor Harald Haas group.
  • The University of Edinburgh:  Professor Robert K. Henderson groups
  • The University of Cambridge: Centre for Photonics Systems, Prof. Ian White and Prof. Richard Penty.
  • The University of St. Andrews: Prof. Ifor Samuel group
  • The University of Oxford: Prof. Dominic O'Brien group
  • The University of Glasgow: Prof. Tony Kelly group
  • Imperial College
  • Sheffield University
  • Heriot-Watt University
  • University of Glasgow
  • University of St. Andrews
  • Tampere University of Technology (Finland)
  • Chalmers University
  • TU-Berlin
  • University of Michigan
  • NRC Canada
  • University of Kaiserslautern
  • Peking University China,
  • Nanyang Technological University Singapore

Major industrial partners include/have included:

  • IQE Ltd
  • Alter
  • BP
  • Horiba
  • Thales
  • Samsung
  • STS Ltd
  • BTG plc
  • Coherent
  • Osram
  • Infineon
  • Agilent
  • Kamelian Ltd