Optical superoscillation technologies beyond the diffraction limit

NI Zheludev, G Yuan - Nature Reviews Physics, 2022 - nature.com
Optical superoscillations are rapid, subwavelength spatial variations of the intensity and
phase of light, occurring in complex electromagnetic fields formed by the interference of …

Using superoscillations for superresolved imaging and subwavelength focusing

G Gbur - Nanophotonics, 2019 - degruyter.com
It is now well-appreciated that a bandlimited wave can possess oscillations much more
rapidly than those predicted by the bandlimit itself, in a phenomenon known as …

Superresolution far-field imaging of complex objects using reduced superoscillating ripples

XH Dong, AMH Wong, M Kim, GV Eleftheriades - Optica, 2017 - opg.optica.org
Superoscillation is a phenomenon where a wave oscillates locally faster than its highest
Fourier component. While previous reports have shown attractive possibilities for a …

Active Huygens' box: Arbitrary electromagnetic wave generation with an electronically controlled metasurface

AMH Wong, GV Eleftheriades - IEEE Transactions on Antennas …, 2020 - ieeexplore.ieee.org
This work investigates the generation of arbitrary electromagnetic waveforms inside a
geometrical area enclosed by an active metasurface. We introduce the Huygens' box, where …

Realising superoscillations: A review of mathematical tools and their application

KS Rogers, ETF Rogers - Journal of Physics: Photonics, 2020 - iopscience.iop.org
Superoscillations are making a growing impact on an ever-increasing number of real-world
applications, as early theoretical analysis has evolved into wide experimental realisation …

Breaking the temporal resolution limit by superoscillating optical beats

Y Eliezer, L Hareli, L Lobachinsky, S Froim… - Physical review letters, 2017 - APS
Band-limited functions can oscillate locally at an arbitrarily fast rate through an interference
phenomenon known as superoscillations. Using an optical pulse with a superoscillatory …

Superoscillations deliver superspectroscopy

G McCaul, P Peng, MO Martinez, DR Lindberg… - Physical Review Letters, 2023 - APS
In ordinary circumstances the highest frequency present in a wave is the highest frequency
in its Fourier decomposition. It is however possible for there to be a spatial or temporal …

Yield-optimized superoscillations

E Katzav, M Schwartz - IEEE Transactions on Signal …, 2013 - ieeexplore.ieee.org
Superoscillating signals are band-limited signals that oscillate in some region faster their
largest Fourier component. While such signals have many scientific and technological …

Super-oscillating airy pattern

Y Eliezer, A Bahabad - ACS Photonics, 2016 - ACS Publications
We demonstrate both theoretically and experimentally the generation of a tunable two-
dimensional superoscillating optical field through the interference of multiple Airy beams …

Superoscillations without sidebands: power-efficient sub-diffraction imaging with propagating waves

AMH Wong, GV Eleftheriades - Scientific Reports, 2015 - nature.com
A superoscillation wave is a special superposition of propagating electromagnetic (EM)
waves which varies with sub-diffraction resolution inside a fixed region. This special property …