Synergy between AI and Optical Metasurfaces: A Critical Overview of Recent Advances
Photonics,
Год журнала:
2024,
Номер
11(5), С. 442 - 442
Опубликована: Май 9, 2024
The
interplay
between
two
paradigms,
artificial
intelligence
(AI)
and
optical
metasurfaces,
nowadays
appears
obvious
unavoidable.
AI
is
permeating
literally
all
facets
of
human
activity,
from
science
arts
to
everyday
life.
On
the
other
hand,
metasurfaces
offer
diverse
sophisticated
multifunctionalities,
many
which
appeared
impossible
only
a
short
time
ago.
use
for
optimization
general
approach
that
has
become
ubiquitous.
However,
here
we
are
witnessing
two-way
process—AI
improving
but
some
also
AI.
helps
design,
analyze
utilize
while
ensure
creation
all-optical
chips.
This
ensures
positive
feedback
where
each
enhances
one:
this
may
well
be
revolution
in
making.
A
vast
number
publications
already
cover
either
first
or
second
direction;
modest
includes
both.
an
attempt
make
reader-friendly
critical
overview
emerging
synergy.
It
succinctly
reviews
research
trends,
stressing
most
recent
findings.
Then,
it
considers
possible
future
developments
challenges.
author
hopes
broad
interdisciplinary
will
useful
both
dedicated
experts
scholarly
audience.
Язык: Английский
Conformal Radiation-type Programmable Metasurface for Agile Millimeter-Wave OAM Generation
Research,
Год журнала:
2025,
Номер
8
Опубликована: Янв. 1, 2025
Since
the
scarcity
of
bandwidth
resources
has
become
increasingly
critical
in
modern
communication
systems,
orbital
angular
momentum
(OAM)
with
a
higher
degree
freedom
information
modulation
promising
solution
to
alleviate
shortage
spectrum
resources.
Consequently,
integration
OAM
millimeter-wave
technology
emerged
as
focal
point
next-generation
research.
Recently,
programmable
metasurfaces
have
gained
considerable
attention
essential
devices
for
generation
due
real-time
tunability,
but
their
profiles
are
relatively
high
result
external
feed
source.
This
paper
proposes
conformal
radiation-type
metasurface
operating
band.
By
employing
series–parallel
hybrid
network
replace
conventional
sources,
overall
profile
system
can
be
reduced
less
than
0.1
λ
.
Furthermore,
proposed
innovation
design
could
also
achieve
cross-shaped
architecture,
which
is
ultraportable
and
very
effective
integrating
front
ends
satellites
or
aircraft
eliminating
issues
such
source
blockage
well
energy
spillover
losses
metasurfaces.
The
realized
gain
22.54
dB
an
aperture
efficiency
21.75%,
thus
generating
high-purity
waves
topological
charges
l
=
0,
+1,
+2,
+3.
Additionally,
by
incorporating
beam
scanning
techniques,
deflected
accommodate
scenarios
moving
receivers,
demonstrating
substantial
potential
future
high-speed
wireless
applications.
Язык: Английский
Full-Space Orbital Angular Momentum Generation Using Transmission-Reflection-Integrated Coding Metasurface
Seyed Abolfazl Hosseini,
Sahar Solati Masouleh,
Mohammad Yazdi
и другие.
Optik,
Год журнала:
2025,
Номер
unknown, С. 172308 - 172308
Опубликована: Март 1, 2025
Язык: Английский
Terahertz Beam Shaping Using Space-Time Phase-only Coded Metasurfaces
Sahar Solati Masouleh,
Seyed Ehsan Hosseininejad
Nano Communication Networks,
Год журнала:
2024,
Номер
unknown, С. 100548 - 100548
Опубликована: Окт. 1, 2024
Язык: Английский
Image Processing Using High‐Index Dielectric Metasurfaces Based on Fano Resonance
Advanced Theory and Simulations,
Год журнала:
2024,
Номер
7(5)
Опубликована: Март 8, 2024
Abstract
This
paper
presents
the
design
and
analysis
of
high‐index
dielectric
metasurfaces
based
on
Fano
resonance
for
image
processing
applications.
With
aim
optical
edge
detection,
two
different
metasurface
structures
are
proposed
to
create
first‐
second‐order
derivative
operators.
The
designed
is
a
square
lattice
structure
consisting
silicon
cylinders
surrounded
by
dioxide
layer.
Moreover,
another
with
composed
three
embedded
in
layer
perform
first‐order
derivation.
To
achieve
best
performance
physical
dimensions
optimized
conducting
parametric
studies
reach
maximum
available
numerical
aperture
.
Consequently,
attains
magnitude
,
while
achieves
Finally,
applicability
detection
verified
analog
domain.
provide
high
spatial
resolution,
efficiency,
low
dependence
horizon
angle,
which
pave
way
high‐quality
Язык: Английский