1310nm high power DFB Pigtailed Components
Features
1. Built - in optical isolator
2. capacitance and dark current are low
3. High stability of DFB lasers chip
4. threshold current and operating current are low
5. Integrated high isolation , and insertion loss is low
Applications
CATV Reverse Transmission/GSM Transmission
Other Analog or Digital Optical Transmission
Optical & Electrical Characteristics
|
Parameter |
Symbol |
Min. |
Typ. |
Max. |
Unit |
Test Condition |
|
Rated Power |
Po |
8 |
10 |
|
mW |
Ith+40mA |
|
Slope Efficiency |
SE |
|
0.25 |
0.30 |
mW/mA |
|
|
Threshold Current |
Ith |
|
10 |
15 |
mA |
- |
|
Operating Current |
Iop |
|
45 |
50 |
mA |
|
|
Forward Voltage Drop |
Vop |
- |
1.0 |
1.2 |
V |
CW, Ith+40mA |
|
Cent Wavelength |
λc |
1300 |
1310 |
1320 |
nm |
- |
|
Spectrum Width(-3dB) |
Δλ |
- |
0.5 |
1 |
nm |
Ith+40mA |
|
Side-mode Suppression Ratio |
SMSR |
35 |
|
- |
dB |
- |
|
Bandwidth |
Bw |
|
2.5 |
|
GHz |
|
|
Monitor Current |
Im |
100 |
|
1200 |
uA |
CW, Ith+40mA |
|
Dark Current of Monitor |
Id |
- |
- |
100 |
nA |
5V |
|
Optical Isolation(Single stage) |
ISO |
35 |
40 |
- |
dB |
|
|
Optical Isolation(Double stage) |
ISO |
45 |
50 |
- |
dB |
|
|
Return loss |
RL |
|
|
-45 |
dB |
|
|
Analog Characteristic index |
||||||
|
Relative Intensity Noise |
RIN |
- |
-155 |
-150 |
dB/Hz |
- |
|
RF Bandpass Flatness |
BF |
|
±1.5 |
|
dB |
|
|
Third-order Distortion |
IMD3 |
- |
-55 |
- |
dBc |
|
|
Carrier Noise Ratio |
CNR |
51 |
- |
- |
dB |
Note 1 |
|
Composite Second Order |
CSO |
- |
- |
-57 |
dBc |
|
|
Composite Triple Beat |
CTB |
- |
- |
-65 |
dBc |
|
Note 1: If=Iop, Optical Modulation, Index=3.2%/channel (minimum), 60 PAL-D unmodulated carries (47 to 550MHz), 10km singlemode fiber, -1dBm received power, Receiver responsivity=0.85A/W.
If=Iop, Optical Modulation Index=3.2%/channel (minimum), CNR, CSO, CTB tested value at worst case over all test frequencies. NTSC 120ch., 10km singlemode fiber, -1dBm received power, Receiverresponsivity=0.85A/W
Absolute Maximum Ratings
