We
demonstrate
an
on-chip
integrated
Fabry-Perot
(FP)
resonator
laser
with
high
output
power
and
narrow
linewidth.
The
chip
is
fabricated
on
monolithically
active
(i.e.,
Er3+-doped)
passive
non-doped)
thin
film
lithium
niobate
(TFLN)
substrate
in
which
the
cavity
constructed
two
Sagnac
loop
reflectors
TFLN.
FP
achieves
of
126.35
μW
a
linewidth
33.6
kHz.
We
demonstrate
an
on-chip
integrated
Fabry-Perot
(FP)
resonator
laser
with
high
output
power
and
narrow
linewidth.
The
chip
is
fabricated
on
monolithically
active
(i.e.,
Er3+-doped)
passive
non-doped)
thin
film
lithium
niobate
(TFLN)
substrate
in
which
the
cavity
constructed
two
Sagnac
loop
reflectors
TFLN.
FP
achieves
of
126.35
μW
a
linewidth
33.6
kHz.
We
demonstrate
an
on-chip
integrated
Fabry-Perot
(FP)
resonator
laser
with
high
output
power
and
narrow
linewidth.
The
chip
is
fabricated
on
monolithically
active
(i.e.,
Er3+-doped)
passive
non-doped)
thin
film
lithium
niobate
(TFLN)
substrate
in
which
the
cavity
constructed
two
Sagnac
loop
reflectors
TFLN.
FP
achieves
of
126.35
μW
a
linewidth
33.6
kHz.