International Postdoctoral Position in Physics and Applications of Phase-gradient Metasurfaces
- 15 June 2021
**Information about the Käll group
**The Käll group has been engaged in nanophotonics research since more than twenty years and is well known for contributions to fields like plasmonics, surface-enhanced spectroscopy and sensing, optical antennas, optical manipulation, and metasurfaces. The group focuses on proof-of-principle studies based on advanced nanofabrication, electrodynamics simulations, and optical experiments. Many of the studies aim to contribute new methodologies to the field of biophotonics. Chalmers University of Technology is a leading research institution in nanoscience in Sweden and hosts one of northern Europe’s largest and most well-equipped cleanrooms dedicated to nanofabrication. The Käll group have access to state-of-the-art optical infrastructure, a wide range of simulations tools, and a broad academic network in photonics, nanooptics, biophotonics, and beyond.
**The employment focuses on analysis and development of metasurfaces and optical antennas made of high-index dielectrics, such as Si and GaAs, or metals, primarily Au. The successful candidate is expected to contribute to one or several ongoing projects in the Käll group, which include
- development and applications of metasurface-emitting lasers (VCELs integrated with phase-gradient dielectric metasurfaces);
- biophotonics applications of metasurfaces (e.g. in imaging, biosensing, or optical manipulation);
- thermoplasmonics (primarily for controling microfluidics);
- active matter (e.g. smart microparticles based on phase-gradient metasurfaces).
The work is mainly experimental but may involve a fair amount of theory and simulations. The successful candidate will be integrated in a team of students and senior researchers with competences ranging from sophisticated nanofabrication and optical analysis to theoretical physics.
To qualify for the position of postdoc, you must have a doctoral degree in physics, optics, nanoscience, or a related subject area, with a focus on experimental nanooptics and/or metasurface research. The PhD degree should generally not be older than three years, counting from the start of the employment. The candidate should be fluent in English.
A solid experience in optical analysis and/or fabrication of nanostructures is mandatory. Experience with electrodynamics simulation software, such as Lumerical or Comsol Multiphysics, is meritorious.
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