sampling
mixer
SAW
1 GHz
PLL
YIG
9.25
GHz
YIG
9.15
GHz
/2
/4
/10
PLL
PLL
sampling
mixer
phase noise
&stability analysis
REMOTE
2x43-km link
(25 dB loss)
100 MHz
100 MHz
50 MHz
100 MHz
250 MHz
EAM-DFB
LD 1.55
µm
polarization
scrambler
EAM-DFB
LD 1.55
µm
polarization
scrambler
correction
fast
slow
EDFAs
negative
dispersion
fiber (-11 dB)
LOCAL
X2
LNE
SYRTE
11
Figure 3
0
1
2
3
4
-1,0
-0,5
0,0
0,5
1,0
time [d]
O
p
en
l
o
o
p
p
ro
p
a
g
at
io
n
d
el
ay
[n
s]
-100
-50
0
50
100
C
lo
se
d
lo
o
p
p
ro
p
a
g
at
io
n
d
el
ay
[
fs
]
Figure 4
10
0
10
1
10
2
10
3
10
4
10
5
10
-19
10
-18
10
-17
10
-16
10
-15
10
-14
(c)
(b)
measurement time [s]
F
ra
ct
io
n
a
l
fr
eq
u
en
cy
s
ta
b
il
it
y
(a)
12
Figure 5
10
0
10
1
10
2
10
3
10
4
10
5
10
-19
10
-18
10
-17
10
-16
10
-15
F
ra
ct
io
n
al
f
re
q
u
en
cy
s
ta
b
il
it
y
measurement time [s]
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