A Topologically Robust Formation of Broadband Vortices Propagating at the Speed of Light

A. Zdagkas; V. Savinov; N. Papasimakis; Nikolay I. Zheludev; Nikolay I. Zheludev

2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference
OSA Technical Digest (Optica Publishing Group, 2019),
paper ec_p_3

A Topologically Robust Formation of Broadband Vortices Propagating at the Speed of Light

A. Zdagkas, V. Savinov, N. Papasimakis, and Nikolay I. Zheludev

European Quantum Electronics Conference 2019

Munich Germany
23–27 June 2019
ISBN: 978-1-7281-0469-0

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A. Zdagkas, V. Savinov, N. Papasimakis, and N. I. Zheludev, "A Topologically Robust Formation of Broadband Vortices Propagating at the Speed of Light," in 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, OSA Technical Digest (Optica Publishing Group, 2019), paper ec_p_3.

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Abstract

We show that Flying Doughnuts, the exact propagating solutions of Maxwell equations in the form of single-cycle toroidal pulses have complex and robust fine topological structure of spectrally broadband vortices and extended areas of energy backflow.

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