1,550nm Modulator
Integrated DFB Laser
FLD5F20NP-E
OPTICAL & ELECTRICAL CHARACTERISTICS (T = T
T = 25°C, BOL, unless otherwise specified)
set, c
L
Limits
Type
Parameter
Peak Wavelength
Symbol
Unit
Test Condition
Min.
Max.
λ
Note (4)
-
nm
mA
p
I
CW, V =Vo
m
Threshold Current
Operating Current
Forward Voltage
-
30
th
I
40
-
-
100
2.0
mA
V
op
V
F
CW, I =I
F op
1.4
Optical Output Power
(Avg. Power)
Pf
-2.0
-
-
dBm
Note (1)
Dispersion Penalty
dP
-
-
-
2
-
dB
dB
Sidemode Suppression Ratio
Wavelength Drift
SSR
Note (2)
35
-
-
after 20 years
-0.1
-
-
-
0.1
1.0
nm
Wavelength Stability with
Case Temperature
-
pm/°C
I
Optical Isolation
Tc=-20 to +70°C
25
35
-
-
dB
V
s
V
o
On Level Modulation
-
-0.7
0
V
Modulator Drive Voltage
(Vo-Vmod)≥-3.3V, Rext=10dB
-
-
2.6
V
mod
I =I , V =Vo (at On Level)
F op
m
R
Extinction Ratio
10
-
-
dB
ext
V =Vo-Vmod (at Off Level)
m
Rise Time
Fall Time
T
r
-
-
20
20
25
25
ps
ps
I =I V =Vo, 20 to 80%
F op, m
T
f
-3dB bandwidth,
Cut-off Frequency
In-Band Ripple
10
-
-
-
-
-
-
-
GHz
dB
S
21
V =Vo-0.5|Vmod |, I =I
m
F op
I =I
F op, f=0.1-10GHz,
∆G
1.0
V =Vo-0.5|Vmod |
m
f=DC-5GHz, 50Ω Test Set,
S
dB
dB
RF Return Loss
8
5
-
-
-
11
11
V =Vo, I =I
m
F op
f=5-10GHz, 50Ω Test Set,
S
RF Return Loss
V =Vo, I =I
m
F op
f=10 MHz to 8.5 GHz,
Relative Intensity Noise
RIN
-120
dB/Hz
V =Vo, I =I
m
F op, 8% Reflection
=3.3W, I =I
∆T
P
TEC
TEC Capacity
70-Tset
-
-
°C
A
F op
I
I =I
TEC Current
-
-
-
1.3
2.5
3.3
10.5
TEC
F op, ∆T=(70-Tset)[°C]
V
TEC
P
TEC
I =I
TEC Voltage
-
-
V
F op, ∆T=(70-Tset)[°C]
I =I
F op
TEC Power Dissipation
Thermal Resistance
-
W
kΩ
R
9.5
10.0
th
T =25°C , Tc=+25°C
L
Thermistor B Constant (Note 3)
B
3,270 3,450
3,630
K
Note (1) Eudyna Test System
9.95328Gb/s, PRBS=223-1, IF=Iop, V =Vo and (Vo-Vmod)
m
Dispersion=1600ps/nm, Dispersion penalty at
Bit Error Rate = 1.0E-10
Note (2) Eudyna Test System
9.95328Gb/s, PRBS=223-1, IF=Iop, V =Vo and (Vo-Vmod)
m
Note (3) Relation between resistance and temperature (°K) is: Rth (T) = Rth (25°C)*exp[B(1/T-1/298)]
Note (4) Reference Table 1 for Wavelength Table
2