George Jandu

MPhys

Research

I am working on high operating temperature semiconductor lasers; currently I am focused on assessing the potential of quantum dot-in-well (DWELL) lasers with non-trivial reflector geometries to advance the upper limit on devices grown on GaAs substrates. 

Lasers capable of uncooled operation have smaller device footprints and consume less power (owing to the removal of any cooling infrastructure) making them attractive for applications such as short range data communication and heat assisted magnetic recording.   

This project is funded by the EPSRC centre for doctoral training in compound semiconductor manufacturing with Seagate as an industry partner. 

Teaching

I am currently a demonstrator in the second year undergraduate lab, where I oversee experiments investigating the magnetic fields produced by a pair of Helmholtz coils and how they can be used for resonance spectroscopy.