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A Far-Field Interpretation of Optical Chirality in Analogy to Poynting’s Theorem

  • The optical chirality density is a valuable tool in locally characterizing chiral electromagnetic near-fields. However, how this quantity could translate into the far-field is not well understood. Here, we formulate a far-field interpretation of optical chirality by investigating its conservation law in isotropic media in analogy to Poynting’s Theorem. We define the global chirality and find that lossy materials, in particular plasmonic nanostructures, can act as chirality generators. This can enable chiral sensing applications at the single molecule level.

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Author:Lisa Poulikakos, Philipp Gutsche, Kevin McPeak, Sven BurgerORCiD, Jens Niegemann, Christian Hafner, David Norris
Document Type:In Proceedings
Parent Title (English):META '15 Proceedings
First Page:1215
Last Page:1216
Year of first publication:2015
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