Journal of the Optical Society of America B,
Год журнала:
2019,
Номер
36(9), С. 2407 - 2407
Опубликована: Авг. 9, 2019
We
demonstrate
a
carrier-envelope
phase
(CEP)-stable,
KTA
(KTiOAsO4)-based
optical
parametric
amplifier
(OPA)
delivering
6-cycle
(79
fs),
3.8-μm
pulses
at
100-kHz
repetition
rate
with
an
average
power
of
4.5
W.
The
pivotal
achievement
is
the
stable
generation
supercontinuum
(SC)
seed
in
YAG
1.4-ps
pulses,
which
are
longest
for
SC
on
its
longer
wavelength
side
to
2.2
μm.
This
technology
offers
robust
and
simplified
OPA
architecture
characteristics
passively
stabilized
CEPs,
dispersion
management
bulk
materials,
tunability
1.3–4.5
μm
spectroscopy,
proof
concept
scaling
kilowatt-class
pump
lasers.
total
output
17
W
(signal
plus
idler)
achieved,
this
high
photon
flux
opens
novel
statistics-driven
spectroscopy
rare
events
strong-field
physics.
Optics Letters,
Год журнала:
2019,
Номер
45(1), С. 97 - 97
Опубликована: Дек. 17, 2019
We
present
a
carrier-envelope
phase
(CEP)-stable
Yb-doped
fiber
laser
system
delivering
100
µJ
few-cycle
pulses
at
repetition
rate
of
kHz.
The
CEP
stability
the
when
seeded
by
offset-locked
oscillator
is
360
mrad,
as
measured
pulse-to-pulse
with
stereographic
above-threshold
ionization
(stereo-ATI)
meter.
Slow
fluctuations
have
been
suppressed
implementing
feedback
loop
from
meter
to
pulse
picking
acousto-optic
modulator.
To
best
our
knowledge,
this
highest
achieved
date
fiber-based,
high-power
laser.
Optics Communications,
Год журнала:
2020,
Номер
472, С. 126035 - 126035
Опубликована: Апрель 27, 2020
Output
pulses
of
a
100
kHz
mid-infrared
OPCPA
system
are
post-compressed
from
4.7
cycles
down
to
2.3
by
using
combination
dielectric
and
semiconductor
crystal
in
hybrid
thin
plate
setup.
Efficient
spectral
broadening
is
demonstrated
with
11
W
average
input
power.
After
compression
the
output
power
reached
6.8
exceptional
CEP
energy
stability
for
several
hours.
The
were
carefully
characterized
both
temporal
spatial
domains,
resulting
2.3-cycle
duration
at
3.1
μm
central
wavelength
Strehl
ratio
0.73
0.97.
Thermal
limitations
due
multiphoton
absorption
semiconductors
present
this
level
explored
temperature
measurements,
which
supported
detailed
numerical
simulations.
Upscaling
higher
powers
was
also
investigated.
Optics Express,
Год журнала:
2019,
Номер
27(9), С. 13387 - 13387
Опубликована: Апрель 25, 2019
This
paper
presents
a
single-shot
technique
for
measuring
CEP.
The
Temporal
dispersion
based
One-shot
Ultrafast
Carrier
envelope
phase
Analysis
method
(TOUCAN)
is
an
arbitrary
repetition
rate
CEP
drift
measurement
on
dispersive
Fourier
transformations
and
has
been
experimentally
tested
at
100
kHz.
TOUCAN
was
validated
by
direct
comparison
of
decimated
data
with
independent
traditional
technique.
impact
temporal
jitter
the
investigated
new
mitigation
shown
to
produce
high
accuracy
jitter-free
extraction.
Journal of the Optical Society of America B,
Год журнала:
2019,
Номер
36(9), С. 2407 - 2407
Опубликована: Авг. 9, 2019
We
demonstrate
a
carrier-envelope
phase
(CEP)-stable,
KTA
(KTiOAsO4)-based
optical
parametric
amplifier
(OPA)
delivering
6-cycle
(79
fs),
3.8-μm
pulses
at
100-kHz
repetition
rate
with
an
average
power
of
4.5
W.
The
pivotal
achievement
is
the
stable
generation
supercontinuum
(SC)
seed
in
YAG
1.4-ps
pulses,
which
are
longest
for
SC
on
its
longer
wavelength
side
to
2.2
μm.
This
technology
offers
robust
and
simplified
OPA
architecture
characteristics
passively
stabilized
CEPs,
dispersion
management
bulk
materials,
tunability
1.3–4.5
μm
spectroscopy,
proof
concept
scaling
kilowatt-class
pump
lasers.
total
output
17
W
(signal
plus
idler)
achieved,
this
high
photon
flux
opens
novel
statistics-driven
spectroscopy
rare
events
strong-field
physics.
