Opto-Electronic Advances,
Год журнала:
2024,
Номер
7(9), С. 240045 - 240045
Опубликована: Янв. 1, 2024
Reprogrammable
metasurfaces,
which
establish
a
fascinating
bridge
between
physical
and
information
domains,
can
dynamically
control
electromagnetic
(EM)
waves
in
real
time
thus
have
attracted
great
attentions
from
researchers
around
the
world.
To
EM
with
an
arbitrary
polarization
state,
it
is
desirable
that
complete
set
of
basis
states
be
controlled
independently
since
incident
state
decomposed
as
linear
sum
these
states.
In
this
work,
we
present
concept
complete-basis-reprogrammable
coding
metasurface
(CBR-CM)
reflective
manners,
achieve
dynamic
controls
over
reflection
phases
while
maintaining
same
amplitude
for
left-handed
circularly
polarized
(LCP)
right-handed
(RCP)
waves.
Since
LCP
RCP
together
constitute
planar
waves,
dynamically-controlled
holograms
generated
under
arbitrarily
wave
incidence.
The
reconfigurable
meta-particle
implemented
to
demonstrate
CBR-CM's
robust
capability
controlling
longitudinal
transverse
positions
independently.
It's
expected
proposed
CBR-CM
opens
up
ways
realizing
more
sophisticated
advanced
devices
multiple
independent
channels,
may
provide
technical
assistance
digital
environment
reproduction.
Flat
optics
has
emerged
as
a
key
player
in
the
area
of
structured
light
and
its
applications,
owing
to
subwavelength
resolution,
ease
integration,
compact
footprint.
Although
first
generation
revolutionized
conventional
lenses
enabled
anomalous
refraction,
new
classes
meta-optics
can
now
shape
dark
features
an
optical
field
with
unprecedented
level
complexity
multifunctionality.
Here,
we
review
these
efforts
focus
on
metasurfaces
that
use
different
properties
input
light—angle
incidence
direction,
polarization,
phase
distribution,
wavelength,
nonlinear
behavior—as
knobs
for
tuning
output
response.
We
discuss
ongoing
advances
this
well
future
challenges
prospects.
These
recent
developments
indicate
optically
tunable
flat
is
poised
advance
adaptive
camera
systems,
microscopes,
holograms,
portable
wearable
devices
may
suggest
possibilities
communications
sensing.
Nanophotonics,
Год журнала:
2023,
Номер
12(6), С. 1019 - 1081
Опубликована: Фев. 21, 2023
Recent
years
have
witnessed
a
rapid
development
in
the
field
of
structural
coloration,
colors
generated
from
interaction
nanostructures
with
light.
Compared
to
conventional
color
generation
based
on
pigments
and
dyes,
exhibits
unique
advantages
terms
spatial
resolution,
operational
stability,
environmental
friendliness,
multiple
functionality.
Here,
we
discuss
recent
coloration
layered
thin
films
optical
metasurfaces.
This
review
first
presents
fundamentals
science
introduces
few
popular
spaces
used
for
evaluation.
Then,
it
elaborates
representative
physical
mechanisms
generation,
including
Fabry-Pérot
resonance,
photonic
crystal
guided
mode
plasmon
Mie
resonance.
Optimization
methods
efficient
structure
parameter
searching,
fabrication
techniques
large-scale
low-cost
manufacturing,
as
well
device
designs
dynamic
displaying
are
discussed
subsequently.
In
end,
surveys
diverse
applications
various
areas
such
printing,
sensing,
advanced
photovoltaics.
Nanophotonics,
Год журнала:
2022,
Номер
11(10), С. 2219 - 2244
Опубликована: Март 31, 2022
The
polarization
of
light
is
crucial
for
numerous
optical
applications
ranging
from
quantum
information
processing
to
biomedical
sensing
due
the
fundamental
role
as
another
intrinsic
characteristic
waves,
which
uncorrelated
with
amplitude,
phase,
and
frequency.
However,
conventional
waveplates
that
enable
control
are
based
on
accumulated
retardation
between
two
orthogonally
polarized
electric
fields
when
propagates
a
distance
much
larger
than
its
wavelength
in
birefringent
materials,
resulting
bulky
configurations
limited
functionalities.
Optical
metasurfaces,
ultrathin
arrays
engineered
meta-atoms,
have
attracted
increasing
attention
owing
their
unprecedented
capabilities
manipulating
surface-confined
subwavelength
spatial
resolutions,
thereby
opening
up
new
possibilities
revolutionizing
planar
elements
feature
compactness,
integration
compatibility,
broadband
operation
bandwidths,
multiple
Herein,
we
review
recent
progress
metasurface-enabled
waveplates,
covers
both
basic
principles
emerging
applications.
We
provide
an
overview
metasurface-based
half-
quarter-waveplates
well
use
wavefront
shaping
applications,
followed
by
discussion
advanced
including
multifunctional
all-polarization
generators.
also
discuss
dynamic
active
metasurfaces.
Finally,
conclude
providing
our
outlook
this
fast-growing
research
field.
Laser & Photonics Review,
Год журнала:
2023,
Номер
17(3)
Опубликована: Янв. 3, 2023
Abstract
Dispersion
is
one
of
the
key
performances
optical
systems.
As
a
man‐made
device,
metasurface
notable
alternative
for
dispersion
manipulation
and
has
been
developed
vigorously
in
recent
years.
However,
currently
reported
principle
meta‐atoms
only
relies
on
controlling
propagation
phase
operation
frequency
band
or
several
working
wavelengths.
In
this
paper,
chirality‐assisted
introduced
as
an
additional
degree
freedom
to
engineer
characteristics
meta‐atom,
strategy
theoretically
demonstrated.
The
characteristic
chiral
meta‐atom
reflective
manner
discussed
detail
within
bandwidth.
Then,
two
hybrid
dispersion‐engineered
metamirrors
(HDEMs)
are
proposed
constructed
demonstrate
versatile
band,
including
achromatic
focusing
lower
half
hyper
dispersive
upper
abnormal
respectively.
Both
full‐wave
simulation
measured
verify
validity
flexibility
strategy.
This
work
exploits
new
manipulation,
providing
approach
metasurfaces
design.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Авг. 6, 2024
Polarization
transformation
is
at
the
foundation
of
modern
applications
in
photonics
and
quantum
optics.
Notwithstanding
their
applicative
interests,
basic
theoretical
experimental
efforts
are
still
needed
to
exploit
full
potential
polarization
Here,
we
reveal
that
coherent
superposition
two
non-orthogonal
eigen-states
Jones
matrix
can
improve
drastically
efficiency
arbitrary
with
respect
classical
orthogonal
By
exploiting
metasurface
stacking
twisted
configuration,
have
implemented
a
powerful
termed
"non-orthogonal
metasurfaces",
experimentally
demonstrated
input-output
modulation
reaching
nearly
100%
transmission
broadband
angle-insensitive
manner.
Additionally,
proposed
routing
methodology
project
independent
phase
holograms
quadruplex
circular
components.
Our
results
outline
paradigm
achieve
extremely
efficient
optics,
multiplexing
for
communication
information
encryption
microwave
optical
frequencies.
The
authors
showcase
general
method
engineer
unity,
taking
advantage
eigen-formalism
circumvent
limitation
conventional
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Июль 26, 2024
Abstract
Contemporary
studies
in
polarization
multiplexing
are
hindered
by
the
intrinsic
orthogonality
constraints
of
states,
which
restrict
scope
channels
and
their
practical
applications.
This
research
transcends
these
barriers
introducing
an
innovative
nonorthogonal
polarization-basis
approach.
Utilizing
spatially
varied
eigen-polarization
states
within
metaatoms,
we
successfully
reconstruct
globally
that
exhibit
minimal
crosstalk.
method
not
only
facilitates
generation
free-vector
holograms,
achieving
complete
degrees-of-freedom
three
with
ultra-low
energy
leakage,
but
it
also
significantly
enhances
dimensions
Jones
matrix,
expanding
to
a
groundbreaking
10
×
scale.
The
fusion
controllable
engineering
mechanism
vectorial
diffraction
neural
network
culminates
experimental
creation
55
intricate
holographic
patterns
across
expanded
channels.
advancement
represents
profound
shift
field
multiplexing,
unlocking
opportunities
advanced
holography
quantum
encryption,
among
other
Advanced Photonics,
Год журнала:
2022,
Номер
4(02)
Опубликована: Март 10, 2022
Advances
in
vectorial
polarization-resolved
imaging
are
bringing
new
capabilities
to
applications
ranging
from
fundamental
physics
through
clinical
diagnosis.
Imaging
polarimetry
requires
determination
of
the
Mueller
matrix
(MM)
at
every
point,
providing
a
complete
description
an
object's
properties.
Despite
forming
comprehensive
representation,
MM
does
not
usually
provide
easily
interpretable
information
about
internal
structure.
Certain
simpler
metrics
derived
subsets
elements.
These
permit
extraction
signatures
that
direct
indicators
hidden
optical
properties
complex
systems,
while
featuring
intriguing
asymmetry
what
can
or
cannot
be
inferred
via
these
metrics.
We
harness
such
characteristics
reveal
spin
Hall
effect
light,
infer
microscopic
structure
within
laser-written
photonic
waveguides,
and
conduct
rapid
pathological
diagnosis
analysis
healthy
cancerous
tissue.
This
provides
insight
for
broader
usage
asymmetric
information.
Photonics Insights,
Год журнала:
2023,
Номер
2(4), С. R09 - R09
Опубликована: Янв. 1, 2023
Diffractive
optical
elements
(DOEs)
are
intricately
designed
devices
with
the
purpose
of
manipulating
light
fields
by
precisely
modifying
their
wavefronts.
The
concept
DOEs
has
its
origins
dating
back
to
1948
when
D.
Gabor
first
introduced
holography.
Subsequently,
researchers
binary
(BOEs),
including
computer-generated
holograms
(CGHs),
as
a
distinct
category
within
realm
DOEs.
This
was
revolution
in
devices.
next
major
breakthrough
field
manipulation
occurred
during
early
21st
century,
marked
advent
metamaterials
and
metasurfaces.
Metasurfaces
particularly
appealing
due
ultra-thin,
ultra-compact
properties
capacity
exert
precise
control
over
virtually
every
aspect
fields,
amplitude,
phase,
polarization,
wavelength/frequency,
angular
momentum,
etc.
advancement
micro/nano-structures
also
enabled
various
applications
such
information
acquisition,
transmission,
storage,
processing,
display.
In
this
review,
we
cover
fundamental
science,
cutting-edge
technologies,
wide-ranging
associated
micro/nano-scale
for
regulating
fields.
We
delve
into
prevailing
challenges
pursuit
developing
viable
technology
real-world
applications.
Furthermore,
offer
insights
potential
future
research
trends
directions
manipulation.
Optica,
Год журнала:
2023,
Номер
10(11), С. 1486 - 1486
Опубликована: Сен. 25, 2023
Optical
contrasts
in
microscopy
are
sensitive
to
light
polarization,
whose
interaction
with
molecular
dipoles
provides
an
important
lever
for
probing
orientation.
Polarization
has
evolved
considerably
during
the
last
decade,
integrating
strategies
ranging
from
traditional
linear
dichroism
single-molecule
orientation
and
localization
imaging.
This
review
aims
provide
a
summary
of
concepts
techniques
behind
structural
imaging
at
level,
ensemble
2D
super-resolution
3D.