Spin-orbit interaction of light in plasmonic lattices: modified and broken angular momentum conservation

Shai Tsesses; Kobi Cohen; Evgeny Ostrovsky; Bergin Gjonaj; Bergin Gjonaj; Tomer Bucher; Shay Sapir; Guy Bartal

doi:10.1364/CLEO_QELS.2020.FTu4A.3

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2020),
paper FTu4A.3
•https://doi.org/10.1364/CLEO_QELS.2020.FTu4A.3

Spin-orbit interaction of light in plasmonic lattices: modified and broken angular momentum conservation

Shai Tsesses, Kobi Cohen, Evgeny Ostrovsky, Bergin Gjonaj, Tomer Bucher, Shay Sapir, and Guy Bartal

CLEO: QELS_Fundamental Science 2020

Washington, DC United States
10–15 May 2020
ISBN: 978-1-943580-76-7

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Topological Effects (FTu4A)

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S. Tsesses, K. Cohen, E. Ostrovsky, B. Gjonaj, T. Bucher, S. Sapir, and G. Bartal, "Spin-orbit interaction of light in plasmonic lattices: modified and broken angular momentum conservation," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optica Publishing Group, 2020), paper FTu4A.3.

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Abstract

We show how the spin-orbit interaction of light in systems with non-circular symmetry changes optical angular momentum conservation, or even completely breaks it. We demonstrate our claims through phase-resolved near-field measurements and optical force calculations.

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