Dr Siampour conducts research at the intersection of nanophotonics and quantum optics to advance the development of quantum optical devices by integrating novel functionalities for emerging photonic quantum technologies. His expertise encompasses nano-optics, single-photon sources, optically active semiconductor spins (quantum dots and colour centres in diamond), photonic crystals, plasmonics, quantum photonics, integrated optical waveguides, quantum nano-sensors, nanofabrication, inverse scattering, and confocal imaging.