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Nanostructural beam splitter (Conference Presentation)
Author(s): Jakub Szlachetka; Andreas Vetter; Karolina Słowik; Carsten Rockstuhl; Piotr Kolenderski

Paper Abstract

Photons produced in the SPDC process typically propagate through optical elements such as waveguides, lenses and beam splitters. We aim to exploit unconventional optical elements, whose fabrication has recently become possible due to the rapid development of nanotechnologies. Such miniaturized devices are typically integrated on microchips that may later become parts of larger quantum circuits. An example is provided by metamaterials, which are periodic arrays of metallic nanoparticles. These nanoparticles support surface plasmon polaritons - hybrid excitations that combine electromagnetic fields with coherent oscillations of valence-electron plasma. Here we experimentally characterize in free space a nanostructural beam splitter, which was designed to feature 25 % of reflection and transmission, and 50 % of absorption. Furthermore we experimentally show quantum interference in that device.

Paper Details

Date Published: 13 May 2019
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Proc. SPIE 11025, Metamaterials XII, 110250X (13 May 2019); doi: 10.1117/12.2520858
Show Author Affiliations
Jakub Szlachetka, Nicolaus Copernicus Univ. (Poland)
Andreas Vetter, Karlsruher Institut für Technologie (Germany)
Karolina Słowik, Nicolaus Copernicus Univ. (Poland)
Carsten Rockstuhl, Karlsruher Institut für Technologie (Germany)
Piotr Kolenderski, Nicolaus Copernicus Univ. (Poland)


Published in SPIE Proceedings Vol. 11025:
Metamaterials XII
Vladimír Kuzmiak; Peter Markos; Tomasz Szoplik, Editor(s)

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