1,550nm Continuous
Wave DFB Laser
FLD5F15CX-H
OPTICAL AND ELECTRICAL CHARACTERISTICS (T =T , T =25°C, BOL, unless otherwise specified)
set
L
c
Limits
Typ.
Parameter
Symbol
Test Conditions
Unit
Min.
Max.
Laser Set Temperature (BOL)
Optical Output Power
Threshold Current
-
-
-
15
-
-
-
35
°C
mW
mA
T
set
P
40
3
-
f
I
45
th
V
Forward Voltage
Slope Efficiency
-
-
-
-
-
3.0
-
V
F
η
0.15
mW/mA
I
Operating Forward Current
Peak Wavelength
-
-
-
350
mA
nm
pm
op
λ
Note (3)
-
ORL>40dB
20 Years
p
∆λ
-
200
1
Wavelength Drift
Wavelength Stability with
Case Temperature
-
-1
-
pm/°C
Tc=0 to +70°C
Spectral Width (-3dB)
∆λ
-
5
-
10
-
MHz
dB
ORL>40dB
Pf=40mW
Side Mode Suppression
Sr
35
I
Monitor Current
0.1
-
-
-
2.0
100
10
mA
nA
pF
m
Idm
V
=5V
PD
Monitor Dark Current
Monitor Capacitance
-
-
C
t
V
=5V, f=1 MHz
PD
Im=constant,
Tc=0 to +70°C
Tracking Error (Note 1)
TE
-0.5
-
+1.0
dB
I
Optical Isolation
Tc=0 to +70°C
22
20
-
-
-
-
dB
dB
S
PER
RIN
Polarization Extinction Ratio
CW, ORL>40dB
average of f=DC to 7.5GHz
Relative Intensity Noise
-
-
-140
dB/Hz
Cooler Current
Cooler Voltage
Cooler Power
Ic
Vc
Pc
-
-
-
-
-
-
1.4
4.2
5.9
A
V
T =Tset, Tc=+70°C,
L
W
9.5
10.0
10.5
Thermistor Resistance
kΩ
Rth
B
Tc, T =25°C
L
Thermistor B Constant (Note 2)
3,270
3,450
3,630
K
Note 1. TE=10*log[Pf(Tc)/Pf(25)]
Note 2. Relation between resistance and temperature (°K) is: Rth (T) = Rth (25)*exp[B(1/T-1/298)]
Note 3. The selected wavelength is available in accordance with Table 1.
2