A Spike Train Production Mechanism Based on Intermittency Dynamics
Entropy,
Год журнала:
2025,
Номер
27(3), С. 267 - 267
Опубликована: Март 4, 2025
Spike
structures
appear
in
several
phenomena,
whereas
spike
trains
(STs)
are
of
particular
importance,
since
they
can
carry
temporal
encoding
information.
Regarding
the
STs
biological
neuron
type,
models
have
already
been
proposed.
While
existing
effectively
simulate
generation,
fail
to
capture
dynamics
high-frequency
spontaneous
membrane
potential
fluctuations
observed
during
relaxation
intervals
between
consecutive
spikes,
dismissing
them
as
random
noise.
This
is
eventually
an
important
drawback
because
it
has
shown
that,
real
data,
these
not
In
this
work,
we
suggest
ST
production
mechanism
based
on
appropriate
coupling
two
specific
intermittent
maps,
which
nonlinear
first-order
difference
equations.
One
maps
presents
small
variation
low
amplitude
values
and,
at
some
point,
bursts
high
values,
other
inverse
behavior,
i.e.,
from
values.
The
suggested
proves
be
able
generate
above-mentioned
possessing
associated
dynamical
properties
data.
Moreover,
produce
spikes
that
present
threshold,
sharp
peak
and
hyperpolarization
phenomenon,
key
morphological
characteristics
spikes.
Furthermore,
inter-spike
interval
distribution
a
power
law,
agreement
with
published
results
for
data
produced
by
neurons.
use
types
STs,
well
possible
applications,
discussed.
Язык: Английский
Dual-Channel Chaos Synchronization in Two Mutually Injected Semiconductor Ring Lasers
Photonics,
Год журнала:
2025,
Номер
12(4), С. 348 - 348
Опубликована: Апрель 8, 2025
A
chaotic
synchronization
system
based
on
two
mutually
injected
semiconductor
ring
lasers
(SRLs)
is
constructed
and
the
performance
analyzed.
First,
symmetric
theory,
three
types
of
chaos
synchronization,
isochronal
between
same
modes
(ICSS),
different
(ICSD),
leader-laggard
(LLCSD)
are
identified.
Then,
investigated
by
cross-correlation
technology.
The
results
show
that,
with
appropriate
feedback
injection
parameters,
all
structures
can
achieve
high-quality
synchronization.
Among
them,
ICSS
under
various
while
ICSD
LLCSD
require
larger
parameters
to
a
comparable
quality.
Finally,
impact
parameter
mismatch
quality
studied,
showed
that
has
stronger
robustness
than
ICSD.
Therefore,
LLSCD
preferred
structure
for
communication
in
SRL.
research
provide
theoretical
reference
application
SRLs
secure
communication.
Язык: Английский
Research on the Inhibition and Transmission Properties of Photonic Spiking Dynamics in Semiconductor Ring Lasers
Electronics,
Год журнала:
2024,
Номер
13(15), С. 2918 - 2918
Опубликована: Июль 24, 2024
Significant
progress
has
been
made
in
the
research
of
all-optical
neural
networks
recent
years.
In
this
paper,
we
theoretically
explore
properties
a
system
composed
semiconductor
ring
lasers
(SRLs).
Our
study
demonstrates
that
external
optical
signals
generated
by
tunable
laser
(TL)
are
injected
into
first
photonic
neuron
(SRL1).
Subsequently,
responses
SRL1
clockwise
(CW)
and
counterclockwise
(CCW)
directions
unidirectionally
CW
CCW
second
(SRL2),
respectively,
which
then
exhibits
similar
spiking
inhibition
behaviors.
Numerical
simulations
reveal
behavior
SRL
response
can
be
precisely
controlled
adjusting
perturbation
time
intensity
injection
signal,
is
highly
repeatable.
Most
importantly,
successfully
achieve
stable
transmission
these
between
two
neurons.
These
behaviors
analogous
to
those
biological
neurons,
but
with
speed
reaching
sub-nanosecond
level.
Additionally,
indicate
neurons
undergo
refractory-period-like
phenomenon
when
subjected
consecutive
perturbations.
findings
highlight
immense
potential
for
design
implementation
future
networks,
providing
critical
theoretical
foundations
support
them.
Язык: Английский