Nanoscale chiral valley-light interface (Conference Presentation)

Laurens K. Kuipers

doi:10.1117/12.2529174

9 September 2019 Nanoscale chiral valley-light interface (Conference Presentation)

Laurens K. Kuipers

Proceedings Volume 11082, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XVII; 1108211 (2019) https://doi.org/10.1117/12.2529174
Event: SPIE Nanoscience + Engineering, 2019, San Diego, California, United States

Abstract

The chiral interaction between transverse optical spin and circularly polarized emitters provides a novel way to manipulate spin information at the nanoscale. Here, we demonstrate the valley (spin)-dependent directional emission of transition metal chalcogenides (TMDs) into plasmonic eigenstates of a silver nanowire. Due to the spin-path locking of the plasmonic eigenstates, the emission from the two different valleys of TMDs material will couple to the guided modes propagating in opposite directions. The high valley polarization of TMDs and high density of the transverse optical spin of the plasmonic wire together offer a novel platform for a chiral network even at room temperature without any magnetic fields. S.-H. Gong, F. Alpeggiani, B. Sciacca, E.C. Garnett and L. Kuipers, Nanoscale chiral valley-photon interface through optical spin-orbit coupling, Science 359, 443-447 (2018)

Conference Presentation

Citation Download Citation

Laurens K. Kuipers "Nanoscale chiral valley-light interface (Conference Presentation)", Proc. SPIE 11082, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XVII, 1108211 (9 September 2019); https://doi.org/10.1117/12.2529174

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