1550nm Butterfly Laser Diode
Features
1. Optimized for 2.5 Gb/s Modulation Rates
2. 14-pin butterfly cooled package
3. Single mode FC/APC connector or customized
4. High linearity high power MQW DFB LD chip
5. Built-in isolator, TEC,hermistor and Monitor PD
6. Output power 2~16mW
Applications
1550nm broadcast and point-to-point applications
CATV forward-path
Optical & Electrical Characteristics
|
Parameter |
Symbol |
Test Conditions |
Min. |
Typ. |
Max. |
Unit |
|
Center Wavelength |
λc |
CW |
1540 |
1550 |
1560 |
nm |
|
Spectral Width (-3 dB) |
Δλ |
CW |
- |
0.5 |
1 |
nm |
|
Optical Output Power |
Po |
CW, TL=25 °C |
- |
- |
16 |
mW |
|
Optical Isolation |
IS |
T=25 °C |
30 |
35 |
- |
dB |
|
Side-mode Suppression Ratio |
SMSR |
CW |
35 |
- |
- |
dB |
|
Threshold Current |
Ith |
TL=25 °C |
- |
10 |
15 |
mA |
|
Operating Current |
Iop |
CW |
- |
- |
100 |
mA |
|
Forward Voltage |
VF |
CW |
- |
1.2 |
2.0 |
V |
|
Monitor Current |
Imon |
Vrpd=5 V |
100 |
- |
1500 |
μA |
|
Monitor Dark Current |
ID |
Vrpd=5 V |
- |
- |
100 |
nA |
|
Operating Case Temperature |
T |
- |
-20 |
- |
60 |
°C |
|
Tracking Error |
γ |
TE=10log(Po(Tc)/Po(25°C) |
-1 |
- |
1 |
dB |
|
Thermistor Resistance |
Rt |
T=25 °C |
9.5 |
- |
10.5 |
KΩ |
|
Thermistor B Constant |
B |
T=25 °C |
|
3900 |
|
K |
|
TEC Current |
IC |
ΔΤ=40°C |
- |
- |
1.0 |
A |
|
TEC Voltage |
VC |
ΔΤ=40°C |
- |
- |
2.0 |
V |
|
Cut-off Frequency |
Fc(-3dB) |
If=Iop |
4 |
- |
- |
GHz |
|
RIN |
Nr |
CW, If=Iop, f=2.5GHz, ORL=24dB |
- |
-155 |
-150 |
dB/Hz |
|
Frequency Range |
F |
- |
45 |
- |
2500 |
MHz |
|
Carrier Noise Ratio |
CNR |
Note 1 |
51 |
- |
- |
dB |
|
Composite Second Order |
CSO |
|
- |
- |
-57 |
dBc |
|
Composite Triple Beat |
CTB |
|
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