Abstract
Interaction of light with matter can create structured light fields with fascinating patterns, such as Airy beams or knotted light fields, which have numerous technological applications [1]. For instance, the creation of structured light fields that can carry angular momentum at the nanoscale has recently gained interest as a possible route towards on-chip applications in research areas such as biosensing or quantum optics. In the near field of nanostructures, structured light fields that carry local angular momentum are often associated with optical singularities, either phase or polarization singularities in the cases of orbital- or spin-angular momentum, respectively.
© 2015 IEEE
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