New preprint: Holistic nanowire laser characterization as a route to optimal design´┐╝

Left – microscopic imaging, centre – optical spectroscopy and right – time-resolved spectroscopy. All measurements are on a single nanowire laser.

Group postdoc Stephen Church has submitted his most recent work to the arXiv preprint server. In this new work, Stephen carried out optical, microscopic, and electron micrograph characterization of over 5000 nanowire lasers. By correlating geometry effects which affect the nanolaser cavity, and material quality that affect gain material, we show that surprisingly material quality remains the limiting factor for low-threshold and high yield operation.

New Grant – EPSRC Impact Accelerator with Kubos Semi

The group has been awarded a 1-year “impact accelerator” grant with Kubos Semi, to fund a 6 month secondment of group PDRA Stephen Church. In this project, Stephen will translate our high-throughput methodology towards in-line optimization of emerging semiconductor materials.

Kubos develop cubic-phase GaN which can be grown on large diameter silicon carbide-on-silicon substrates for scale up of high-efficiency LEDs, and emission across the spectrum.

The project runs from October 2022-September 2023.