Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/6998
Title: Management of Light Patterns Based on Local Hilbert Transform
Authors: Staliunas, Kestutis
Ahmed, Waqas Waseem
Botey, Muriel M.
Herrero, Ramon
Hayran, Zeki
Kurt, Hamza
Keywords: light patterns
metamaterials
non-Hermitian optics
Issue Date: 2018
Publisher: IEEE
Source: 20th International Conference on Transparent Optical Networks (ICTON) -- JUL 01-05, 2018 -- Univ Politehnica Bucharest, Cent Lib, Bucharest, ROMANIA
Series/Report no.: International Conference on Transparent Optical Networks-ICTON
Abstract: We propose a new approach of optical field management based on a local Hilbert transform, where the nonHermitian potentials generating arbitrary vector fields of directionality, (p) over right arrow((r) over right arrow), with desired shapes and topologies are designed. We derive a local Hilbert transform to build systematically such potentials, by modifying background potentials (being either regular or random, extended or localized). In particular, we explore particular directionality fields, for instance in the form of a focus to create sinks for probe fields, to generate vortices in the probe fields, and others. Physically, the proposed directionality fields provide a flexible new mechanism for dynamically shaping and precise control over probe fields leading to novel effects in wave dynamics.
URI: https://hdl.handle.net/20.500.11851/6998
ISBN: 978-1-5386-6605-0
ISSN: 2162-7339
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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