Impact of polarization and gain control in the optimization of output pulse properties in ultralong ultrafast ring fibre lasers
Results in Physics,
Journal Year:
2024,
Volume and Issue:
64, P. 107936 - 107936
Published: Aug. 28, 2024
The
application
of
limited
polarization
and
gain
control
to
the
recently
demonstrated
mode-locked
ultralong
ultrafast,
EDFA-based
Raman-assisted
pulsed
ring
fibre
lasers
is
shown
reduce
output
pulse
duration
noise,
as
well
increase
peak
power
in
cavities
10
km
with
repetition
rates
low
38
kHz
durations
below
200
fs
FWHM,
which
remain
effectively
depolarized
at
optimized
case,
accompanied
by
improved
mode-locking
stability.
impact
state
optimization
prior
doped-fibre
amplification
section
on
these
devices
studied
for
different
lengths
fibre,
harmonic
modes,
Raman
values.
Peak
nearly
doubled
thanks
temporal
compression
spectral
broadening,
a
wide
choice
regimes
operation
dynamically
available
given
cavity
length,
allowing
modification
laser
towards
targeted
characteristics.
Language: Английский
Timing jitter in ultralong ultrafast ring fiber lasers
Published: July 14, 2024
Recent progress in femtosecond pulsed ultralong fiber ring laser sources
Published: May 31, 2023
Ultrafast-ultralong
ring
fiber
lasers
represent
a
new
passively
mode-locked
laser
architecture
reliant
on
the
use
of
Raman-assisted
nonlinearity
management
over
cavities
extending
tens
kilometers
and
fast,
polarization-insensitive
saturable
absorption.
These
sources
are
capable
supporting
generation
stable
pulses
shorter
than
200
fs
with
ultra-low
repetition
rates
few
kHz,
overcoming
previous
limitations
to
pulse
duration
peak
power
imposed
by
dispersive
effects.
The
unique
characteristics
this
family
ultrafast
oscillators
makes
them
suitable
for
broad
range
applications.
In
invited
talk
we
will
review
some
latest
advances
topic,
focusing
optimal
design
implementation
such
lasers.
Language: Английский