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Mr Calum Dear
Roberts Building
Malet Place
Mr Calum Dear profile picture
  • Student
  • Dept of Electronic & Electrical Eng
  • Faculty of Engineering Science
Calum received a BSc in Physics with First-Class Hons. from Cardiff University in 2020. Following his undergraduate, he completed his MSc in Compound Semiconductor Physics with a Distinction at Cardiff University in 2021. Progressing in his EPSRC doctoral training program, Calum joined the MBE group at UCL in  October 2021.
Research Groups
Research Summary
Current research interests are the growth of III-V compound semiconductor materials using molecular beam epitaxy (MBE) to create quantum dot (QD) materials for light emission in the C-band infrared (1530-1565nm). Material platforms such as indium arsenide (InAs) QDs on indium phosphide (InP) substrate have been selected as a main contender for C-band technologies due to the low material mismatch between InAs and InP. Using InAs/InP QDs, I aim to fabricate low threshold current, narrow-linewidth, broad area and ridge waveguide laser devices, emiting in the 1550nm range.
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