International Postdoctoral Position in Physics and Applications of Phase-gradient Metasurfaces

  • PHD
  • Salaried
  • 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.
Major responsibilities
**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

  1. development and applications of metasurface-emitting lasers (VCELs integrated with phase-gradient dielectric metasurfaces);
  2. biophotonics applications of metasurfaces (e.g. in imaging, biosensing, or optical manipulation);
  3. thermoplasmonics (primarily for controling microfluidics);
  4. 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.

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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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