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Polarization-selective optical nanostructures for optical MEMS integration

  • Keeler, E.
  • Rydberg, S.
  • Paeder, V.
  • Herzig, Hans Peter
  • Dickensheets, D.
  • Nakagawa, W.
Publication Date
Jan 01, 2012
Infoscience @ EPFL
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Optical nanostructures have the potential to provide useful new functionalities, using materials and fabrication methods that are compatible with standard silicon-based processes. For example, it has been shown that a nanoscale grating coated with a metal layer produces polarization-selective reflectivity [1,2], based on the combined effects of form birefringence and a resonant cavity [3]. In this work, we adapt this design approach to develop two devices optimized to operate around 1.55 μm wavelength: a polarizing beam splitter, and a polarization-selective reflector. Such devices are of particular interest as they may provide optical properties such as polarization selectivity or enhanced reflectivity using nanostructures compatible with optical micro-electro-mechanical systems (MEMS).

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