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EPSRC First Grant for Dr Jiang Wu

High performance III-V quantum dot photodetectors for low SWaP infrared devices
EPSRC First Grant for Dr Jiang Wu

Dr Jiang Wu

Congratulations to Lecturer Dr Jiang Wu, who has been awarded a £100,146 EPSRC First Grant for a project titled ‘High performance III-V quantum dot photodetectors for low SWaP infrared devices’.

The focus of this project is on achieving high performance III-V quantum dot infrared photodetectors for low size, weight, and power (SWaP) devices. High operating temperature (HOT) III-V photodetectors with high quantum efficiency are technically important because the use of mature III-V semiconductors can significantly reduce the fabrication and material cost. More importantly, HOT photodetectors reduce the cooling requirements so that infrared systems can be low SWaP. Despite tremendous progress made in the last two decades, the demand for SWaP infrared photodetectors (particularly for wavelengths >2 micron) becomes increasingly urgent and yet to be met due to intrinsic drawbacks of existing technologies. This work proposes to exploit III-V quantum dot infrared photodetectors for high performance HOT photodetectors.