Roadmap on superoscillations
Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review
Author(s)
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Detail(s)
Original language | English |
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Article number | 053002 |
Journal / Publication | Journal of Optics |
Volume | 21 |
Issue number | 5 |
Online published | 18 Apr 2019 |
Publication status | Published - May 2019 |
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DOI | DOI |
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Attachment(s) | Documents
Publisher's Copyright Statement
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Link to Scopus | https://www.scopus.com/record/display.uri?eid=2-s2.0-85067794724&origin=recordpage |
Permanent Link | https://scholars.cityu.edu.hk/en/publications/publication(7b7da0a2-a1a1-4e68-88d5-c43080e44711).html |
Abstract
Superoscillations are band-limited functions with the counterintuitive property that they can vary arbitrarily faster than their fastest Fourier component, over arbitrarily long intervals. Modern studies originated in quantum theory, but there were anticipations in radar and optics. The mathematical understanding-still being explored-recognises that functions are extremely small where they superoscillate; this has implications for information theory. Applications to optical vortices, sub-wavelength microscopy and related areas of nanoscience are now moving from the theoretical and the demonstrative to the practical. This Roadmap surveys all these areas, providing background, current research, and anticipating future developments.
Research Area(s)
- imaging, optical beams, information theory, SUPER-OSCILLATORY LENS, OPTICAL SUPERRESOLUTION, TRANSVERSE SHIFT, LIGHT, EVANESCENT, PHASE
Citation Format(s)
Roadmap on superoscillations. / Berry, Michael; Zheludev, Nikolay; Aharonov, Yakir et al.
In: Journal of Optics, Vol. 21, No. 5, 053002, 05.2019.Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review
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