Angular memory of photonic metasurfaces

C Valagiannopoulos, A Sarsen… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Nonlinear materials can exhibit bistability, namely support different possible outputs for the
same input, depending on the excitation history. This property can find direct application to …

Multistability in coupled nonlinear metasurfaces

C Valagiannopoulos - IEEE Transactions on Antennas and …, 2022 - ieeexplore.ieee.org
Multistability, namely, the property of obtaining different outputs depending on the past
values of the input, is the key effect behind memory components in a variety of electronic …

Fault tolerance in programmable metasurfaces: The beam steering case

H Taghvaee, S Abadal, J Georgiou… - … on Circuits and …, 2019 - ieeexplore.ieee.org
Metasurfaces, the two-dimensional counterpart of metamaterials, have caught great
attention thanks to their powerful control over electromagnetic waves. Recent times have …

Tunable optical metasurfaces enabled by chalcogenide phase-change materials: from the visible to the THz

CR de Galarreta, SGC Carrillo, YY Au, E Gemo… - Journal of …, 2020 - iopscience.iop.org
Metasurfaces and nanoantennas are redefining what can be achieved in terms of optical
beam manipulation, as they provide a versatile design platform towards moulding the flow of …

Asynchronous circuits as an enabler of scalable and programmable metasurfaces

L Petrou, P Karousios… - 2018 IEEE International …, 2018 - ieeexplore.ieee.org
Metamaterials and metasurfaces have given possibilities for manipulating electromagnetic
(EM) waves that in the past would have seemed impossible. The majority of metasurface …

[HTML][HTML] Photonic memory with nonlinear plasmonic nanotubes

A Abrashuly, C Valagiannopoulos - APL Materials, 2021 - pubs.aip.org
Photonic memory devices are capable of giving different outputs for the same present input,
judging from the input's past values and, in this way,“remembering” what happened the …

Method for extracting the equivalent admittance from time-varying metasurfaces and its application to self-tuned spatiotemporal wave manipulation

AA Fathnan, H Homma, S Sugiura… - Journal of Physics D …, 2022 - iopscience.iop.org
With their self-tuned time-varying responses, waveform-selective metasurfaces embedded
with nonlinear electronics have shown fascinating applications, including distinguishing …

Theory and design of multifunctional space-time metasurfaces

X Wang, A Diaz-Rubio, H Li, SA Tretyakov, A Alu - Physical Review Applied, 2020 - APS
Integrating multiple functionalities into a single metasurface is becoming of great interest for
future intelligent communication systems. While such devices have been extensively …

Programmable metasurfaces: State of the art and prospects

F Liu, A Pitilakis, MS Mirmoosa… - … on Circuits and …, 2018 - ieeexplore.ieee.org
Metasurfaces, ultrathin and planar electromagnetic devices with sub-wavelength unit cells,
have recently attracted enormous attention for their powerful control over electromagnetic …

[HTML][HTML] Reconfigurable MEMS Fano metasurfaces with multiple-input–output states for logic operations at terahertz frequencies

M Manjappa, P Pitchappa, N Singh, N Wang… - Nature …, 2018 - nature.com
A broad range of dynamic metasurfaces has been developed for manipulating the intensity,
phase and wavefront of electromagnetic radiation from microwaves to optical frequencies …