PhD5: Masoud Payandeh

Host: Technical University of Denmark (DTU) 

PhD Project: Wideband MEMS VCSEL

MEMS VCSELs are semiconductor-based light sources, have a very small footprint owing to the vertical cavity design. Generally, very highly reflective DBR mirrors along with III-V active material are used to define the cavity. Actuation of one of the mirrors contributes to changing the length of optical cavity and thus continuously tuning the emitting wavelength. The continuous sweep of wavelength makes them promising for low cost OCT applications. In the current project, we will mainly investigate the high-speed wideband MEMS VCSELs for SS-OCT.