Håvard Hem Toftevaag

Håvard Hem Toftevaag is a researcher in integrated photonics in the Micro optics group at SINTEF. His expertise spans photonic integrated circuits, reconfigurable and programmable photonics, and novel materials. He combines hands-on device development with simulation and machine-learning approaches to develop new photonic technologies for sensing, computing and advanced microsystems.

Education

Ph.D. (DPhil) in Materials, University of Oxford, UK (2021–2025)
Thesis title: "Electrically reconfigurable integrated photonic switches for emerging computing architectures"

M.Sc. in Nanotechnology, Norwegian University of Science and Technology (NTNU), Norway (2015–2020)
Thesis title: "Ultraviolet Optoelectronic Devices Based on GaN/AlGaN Nanowires"

Fulbright Visiting Student, Harvard University, USA (2018–2019)

Competence and research areas

- Integrated photonics and photonic integrated circuits (PICs)
- Photonic computing and neuromorphic photonics, optical signal processing, and photonic sensing
- Reconfigurable and programmable photonic devices
- Phase-change materials for photonics
- Semiconductor and nanowire optoelectronics
- Photonic device design, simulation, cleanroom fabrication and characterisation
- Inverse design for photonics
- Optical/electromagnetic simulation and modelling
- Python-based scientific computing

Linkedin

https://www.linkedin.com/in/toftevaag

ResearchGate

https://www.researchgate.net/profile/Havard-Toftevaag

ORCID

https://orcid.org/0000-0003-4692-5722