18 May 2017 Antenna-coupled light emission from two-dimensional materials
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Abstract
We have studied the ultrafast conversion of electrons localized in vertical Au-hBN-Au tunnel junctions to free-space photons, mediated by resonant slot antennas. We achieve polarized, directional and resonantly enhanced light emission from inelastic electron tunneling and establish a novel platform for studying the interaction of electrons with strong electromagnetic fields. Further, we show that plasmonic antennas made from a gold nanoparticle dimer coupled with a semiconducting 2D material (MoS2) offer control over emission directionality.
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Palash Bharadwaj, Markus Parzefall, Achint Jain, Lukas Novotny, "Antenna-coupled light emission from two-dimensional materials", Proc. SPIE 10194, Micro- and Nanotechnology Sensors, Systems, and Applications IX, 101940H (18 May 2017); doi: 10.1117/12.2262152; https://doi.org/10.1117/12.2262152
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