"BSc, University of Port Elizabeth, 1995; BSc (Honours) (Physics), University of Port Elizabeth, 1996; MSc (Physics), University of Port Elizabeth, 1998; PhD (Physics), University of Port Elizabeth, 2002"
Wu’s earlier research includes pulse laser deposition of photo- and electrochromic VO2 thin films and optical fibre communications research, with a focus on polarisation mode dispersion and related effects. She has also managed the CSIR-based laser facility which hosted university researchers conducting laser-based experiments.