Sandwiched between the visible light on the short wavelength side and radio waves on the long wavelength extreme, the sub-millimetre wave radiation or terahertz wave radiation has long been considered the last uncharted scientific gap in the electromagnetic spectrum. This is the part of the spectrum where optical and microwave techniques meet. Our research aims to close the THz-gap and light up the last dark region of the electromagnetic spectrum.
With a strong heritage in instrumentation for radio astronomy, we focus our research on the following main topics:
Low noise devices and circuits
We fabricate unique terahertz components in our state-of-the-art Nanofabrication facility at MC2 and evaluate demonstrators in our top-class terahertz characterisation facility (Kollberg laboratory). Our educational activities include circuit theory, microwave engineering, physics, microelectronics, and semiconductor device physics courses at undergraduate and graduate levels.
Superconducting terahertz detectors
Detection of weak emission from molecules and atoms in the interstellar medium (the basis for star and planet formation), or from tiny concentrations of atmospheric pollutants require THz receivers with extreme sensitivity and large bandwidth. We study novel THz wave detection approaches in new materials and devices in an attempt to widen the horizon for future space science instrumentation.
Terahertz techniques for life science applications
With energy levels in the few meV range, terahertz frequencies have unique spectroscopic features for monitoring biological molecules. Moreover, due to the low energy level of terahertz radiation (few meV), the interaction with biological matter is non-ionizing and generates very low cell and tissue damage. This enable sensing and sample identification in a direct non-invasive and label-free manner using terahertz waves.
Terahertz electronics and systems
The continuous interests in terahertz wave applications have generated a strong need for reliable, room temperature operational and compact THz electronics. An example is front-end electronics and instrumentation for the European Meteorological Operational satellite programme (MetOp), with the plan to monitor the climate and to improve weather forecast. Our team has been involved in research and establishing space qualified THz components (Schottky and HBV), manufactured in the Nanofabrication facility at MC2.
Head of laboratory and senior researchers
Head of laboratory
Publications in Chalmers Research
We continually document our research in various types of publications, which are registered in Chalmers Research. Follow this link to see recent publication lists