HISOL: High-energy soliton dynamics enable ultrafast far-ultraviolet laser sources
APL Photonics,
Journal Year:
2024,
Volume and Issue:
9(5)
Published: May 1, 2024
Ultrafast
laser
sources
in
the
far
ultraviolet
(100–300
nm)
have
been
subject
of
intense
experimental
efforts
for
several
decades,
driven
primarily
by
requirements
advanced
experiments
ultrafast
science.
Resonant
dispersive
wave
emission
from
high-energy
pulses
undergoing
soliton
self-compression
a
gas-filled
hollow
capillary
fiber
promises
to
meet
these
first
time,
most
importantly
combining
wide-ranging
wavelength
tuneability
with
generation
extremely
short
pulses.
In
this
Perspective,
we
give
an
overview
approach
far-ultraviolet
sources,
including
its
historical
origin
and
underlying
physical
mechanism,
state
art
current
challenges,
our
view
potential
applications
both
within
beyond
Language: Английский
Optical solitons in hollow-core fibres
Optics Communications,
Journal Year:
2023,
Volume and Issue:
555, P. 130191 - 130191
Published: Dec. 10, 2023
I
review
the
historical
observation
and
subsequent
research
on
optical
soliton
dynamics
in
gas-filled
hollow-core
fibres.
include
both
large-core
hollow
capillary
fibres,
photonic-crystal
or
microstructured
fibres
with
smaller
cores,
particular
photonic
bandgap
antiresonant
guiding
discuss
how
guidance
properties
of
these
different
fibre
structures
influence
that
can
be
obtained.
The
consider
include:
propagation
at
peak
power
levels
ranging
from
megawatt
to
terawatt
level,
pulse
energies
sub-microjoule
millijoule
range;
self-compression,
leading
sub-cycle
sub-femtosecond
duration;
self-frequency
shifting
due
Raman
effect,
photoionisation
plasma
formation;
resonant
dispersive
wave
emission,
generation
tuneable
few-femtosecond
pulses
across
vacuum
deep
ultraviolet,
visible,
near-infrared
spectral
regions.
Language: Английский
Robust Isolated Attosecond Pulse Generation with Self-Compressed Subcycle Drivers from Hollow Capillary Fibers
ACS Photonics,
Journal Year:
2024,
Volume and Issue:
11(4), P. 1673 - 1683
Published: March 18, 2024
High-order
harmonic
generation
(HHG)
arising
from
the
nonperturbative
interaction
of
intense
light
fields
with
matter
constitutes
a
well-established
tabletop
source
coherent
extreme-ultraviolet
and
soft
X-ray
radiation,
which
is
typically
emitted
as
attosecond
pulse
trains.
However,
ultrafast
applications
increasingly
demand
isolated
pulses
(IAPs),
offer
great
promise
for
advancing
precision
control
electron
dynamics.
Yet,
direct
IAPs
requires
synthesis
near-single-cycle
driving
fields,
technologically
challenging.
In
this
work,
we
theoretically
demonstrate
novel
scheme
straightforward
compact
multicycle
infrared
drivers
using
hollow
capillary
fibers
(HCFs).
Starting
standard,
pulse,
transient
generated
by
extreme
soliton
self-compression
in
HCF
decreasing
pressure
subsequently
used
to
drive
HHG
gas
target.
Owing
subcycle
confinement
process,
high-contrast
are
continuously
almost
independently
carrier-envelope
phase
(CEP)
optimally
self-compressed
drivers.
This
results
CEP-robust
also
stable
under
macroscopic
propagation
high
harmonics
Our
open
way
new
integrated
all-fiber
IAP
sources,
overcoming
efficiency
limitations
usual
gating
techniques
Language: Английский
Higher-order nonlinear effects on optical soliton propagation and their interactions
Chinese Physics Letters,
Journal Year:
2024,
Volume and Issue:
41(7), P. 074204 - 074204
Published: June 13, 2024
Abstract
When
pursuing
femtosecond-scale
ultrashort
pulse
optical
communication,
one
cannot
overlook
higher-order
nonlinear
effects.
Based
on
the
fundamental
theoretical
model
of
variable
coefficient
coupled
high-order
Schrödinger
equation,
we
analytically
explore
evolution
solitons
in
presence
Moreover,
interactions
between
two
nearby
and
their
transmission
a
nonuniform
fiber
are
investigated.
The
stability
soliton
found
to
be
destroyed
varying
degrees
due
outcomes
may
offer
some
references
for
achieving
ultra-high
energy
future.
Language: Английский
Six-orders-of-magnitude-spanning dispersion measurement via Kalman filtering-aided white-light interferometry
Mingjin Gao,
No information about this author
Yuhang Li,
No information about this author
Fan Zhang
No information about this author
et al.
Optics Express,
Journal Year:
2024,
Volume and Issue:
32(7), P. 12724 - 12724
Published: March 4, 2024
Dispersion
plays
a
great
role
in
ultrafast
laser
oscillators,
ultrashort
pulse
amplifiers,
and
many
other
nonlinear
optical
dynamics.
Therefore,
dispersion
measurement
is
crucial
for
device
characterization,
system
design
dynamics
investigation
therein.
In
this
work,
we
demonstrate
versatile
approach,
i.e.,
Kalman
filtering-aided
white-light
interferometry,
group
delay
(GDD)
characterization.
Extended
filter
adopted
to
track
the
cosine-like
interferogram,
eliminate
unintended
bias
envelope,
providing
nearly
ideal
phase
retrieval
GDD
estimation.
The
range
could
span
from
tens
of
fs
2
ps
,
with
an
uncertainty
about
0.1%,
enabling
precise
diverse
components,
ranging
millimeter-thick
glass
slide
highly
dispersive
chirped
fiber
Bragg
gratings.
Benefited
by
simplicity,
convenient
setup,
easy
operation
as
well
relatively
low
cost,
approach
would
help
photonic
management
laboratory
work
plant.
Language: Английский
Comparative investigation of group velocity dispersion with nonlinear phase modulation in fiber optic WDM transmission
International Journal of Information Technology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 25, 2024
Language: Английский
Optimizing Spectral Phase Transfer in Four-Wave Mixing with Gas-filled Capillaries
Optics Express,
Journal Year:
2024,
Volume and Issue:
32(25), P. 44397 - 44397
Published: Nov. 11, 2024
Four-wave
mixing
(FWM)
in
gas-filled
hollow-core
capillaries,
a
nonlinear
optical
process
that
mixes
signal
and
pump
photon
frequencies
to
generate
idler
frequency
photons,
offers
method
for
precise
spectral
phase
transfer
from
at
ultrashort
timescales
extreme
powers.
However,
this
regime
is
challenged
by
competing
linear
dynamics,
leading
significant
trade-offs
between
conversion
efficiency.
Our
computational
investigation
focuses
on
the
upconversion
of
femtosecond
pulses
infrared
(IR)
ultraviolet
(UV),
range
notoriously
difficult
manipulate.
We
explore
an
intermediate
energy
strikes
optimal
balance
FWM-mediated
phase-transfer
fidelity
By
adjusting
ratios
profiles
input
signal,
we
achieve
efficiencies
approximately
5-15%
while
maintaining
effective
quasi-linear
transfer.
These
findings
will
contribute
establishing
first-principles
scaling
laws
essential
applications
such
as
high-precision
imaging,
spectroscopy,
quantum
transduction,
distributed
entangled
interconnects,
facilitating
advanced
control
ultrafast
photonic
electronic
wavepackets
materials
with
unprecedented
spatial
temporal
precision.
Language: Английский
Robust isolated attosecond pulse generation with self-compressed sub-cycle drivers from hollow capillary fibers
arXiv (Cornell University),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Jan. 1, 2023
High-order
harmonic
generation
(HHG)
arising
from
the
non-perturbative
interaction
of
intense
light
fields
with
matter
constitutes
a
well-established
tabletop
source
coherent
extreme-ultraviolet
and
soft
X-ray
radiation,
which
is
typically
emitted
as
attosecond
pulse
trains.
However,
ultrafast
applications
increasingly
demand
isolated
pulses
(IAPs),
offer
great
promise
for
advancing
precision
control
electron
dynamics.
Yet,
direct
IAPs
requires
synthesis
near-single-cycle
driving
fields,
technologically
challenging.
In
this
work,
we
theoretically
demonstrate
novel
scheme
straightforward
compact
multi-cycle
infrared
drivers
using
hollow
capillary
fibers
(HCFs).
Starting
standard,
pulse,
transient
generated
by
extreme
soliton
self-compression
in
HCF
decreasing
pressure,
subsequently
used
to
drive
HHG
gas
target.
Owing
sub-cycle
confinement
process,
high-contrast
are
continuously
almost
independently
carrier-envelope
phase
(CEP)
optimally
self-compressed
drivers.
This
results
CEP-robust
also
stable
under
macroscopic
propagation
high
harmonics
Our
open
way
new
integrated
all-fiber
IAP
sources,
overcoming
efficiency
limitations
usual
gating
techniques
Language: Английский