Molding Optical Wavefronts: Flat Optics based on Metasurfaces, Federico Capasso - O+P 2013 plenary

Plenary presentation from SPIE Optics + Photonics 2013 - spie.org/op
Federico Capasso, Harvard Univ. (United States)
Abstract: Metasurfaces based on sub-wavelength patterning have major potential for realizing arbitrary control of the wavefront of the diffracted light by achieving local control of the phase amplitude and polarization. We discuss novel devices based on this technique; a salient feature is the ability to create often with a single digital mask an arbitrary analog phase profile. A variety of flat optical components, including lenses, polarizers, vortex plates, coatings, holograms and couplers with polarization invariant coupling efficiency will be presented.
Biography: Federico Capasso is the Robert Wallace Professor of Applied Physics at Harvard University, which he joined in 2003 after a 27 years career at Bell Labs. His research has spanned photonics, including the invention of the quantum cascade laser, electronics, materials research, plasmonics and metamaterials and the Casimir effect. He is a member of the National Academy of Sciences and the National Academy of Engineering. His awards include the King Faisal Prize for Science, the APS Arthur Schawlow Prize, the IEEE Edison Medal and the Franklin Medal.

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