Optics Letters,
Journal Year:
2024,
Volume and Issue:
49(8), P. 2061 - 2061
Published: March 12, 2024
Controlling
the
properties
of
mid-
and
far-infrared
radiation
can
provide
a
means
to
transiently
alter
materials
for
novel
applications.
However,
limited
number
optical
elements
are
available
control
its
polarization
state.
Here
we
show
that
15-µm
thick
liquid
crystal
cell
containing
8CB
(4-octyl-4'-cyanobiphenyl)
in
ordered,
smectic
A
phase
be
used
as
retarder
or
wave
plate.
This
was
tested
using
bright,
short-pulsed
(∼1
ps)
centered
at
16.5
µm
(18.15
THz)
is
emitted
by
free
electron
laser
high
repetition
rate
(13
MHz).
These
results
demonstrate
possible
tool
exploration
range
could
develop
metamaterials
extend
multidimensional
spectroscopy
this
portion
electromagnetic
spectrum.
Abstract
Metasurfaces
can
precisely
manipulate
the
amplitude,
phase,
and
polarization
of
incident
light
through
subwavelength
structures,
greatly
advancing
quantum
meta-holographic
imaging.
However,
current
methods
using
holography
only
control
either
amplitude
or
phase
on
imaging
plane,
so
resulted
scalar
without
distribution
has
limited
channels.
Here,
vectorial
meta-holography
entangled
signal-idler
photon
pairs
is
experimentally
demonstrated
to
realize
remotely
controlled
multi-channel
By
simultaneous
ratio
between
two
cross-polarization
holographic
images
their
difference
image
accordingly
changes
with
state.
The
accurate
correspondence
ensures
correct
reconstruction
32
states
an
average
fidelity
up
94.78%.
This
enables
idler
photons
reconstructed
by
signal
photons,
where
signal-to-noise
as
high
10.78
dB,
even
for
maximally
mixed
states.
a
larger
state
information
capacity
will
facilitate
miniaturized
efficient
tomography.
Optics Letters,
Journal Year:
2024,
Volume and Issue:
49(8), P. 2061 - 2061
Published: March 12, 2024
Controlling
the
properties
of
mid-
and
far-infrared
radiation
can
provide
a
means
to
transiently
alter
materials
for
novel
applications.
However,
limited
number
optical
elements
are
available
control
its
polarization
state.
Here
we
show
that
15-µm
thick
liquid
crystal
cell
containing
8CB
(4-octyl-4'-cyanobiphenyl)
in
ordered,
smectic
A
phase
be
used
as
retarder
or
wave
plate.
This
was
tested
using
bright,
short-pulsed
(∼1
ps)
centered
at
16.5
µm
(18.15
THz)
is
emitted
by
free
electron
laser
high
repetition
rate
(13
MHz).
These
results
demonstrate
possible
tool
exploration
range
could
develop
metamaterials
extend
multidimensional
spectroscopy
this
portion
electromagnetic
spectrum.