CWDM DFB Pigtailed Laser Diode
Feature
MQW DFB LD
Low threshold current
Built-in InGaAsP monitor PD
Wide temperature range operation (Tc=-45 to +85℃)
Application
CATV Reverse Transmission
Wireless WDMA/GSM/PHS Fiber-Optical Repeaters
Light Source
Other Analog or Digital Optical Transmission
Absolute maximum ratings
Parameter |
Symbol |
Min. |
Max. |
Unit |
Test condition |
Storage temperature |
Tst |
-40 |
+100 |
℃ |
- |
Operating temperature |
Top |
-40 |
+85 |
℃ |
- |
Reverse voltage |
VR |
|
30 |
V |
CW |
Soldering temperature/time |
|
|
260/10 |
℃/S |
- |
Optical & electrical characteristics
Parameter |
Symbol |
Min. |
Typ. |
Max. |
Unit |
Test condition |
Center wavelength |
Λc |
1290 |
1310 |
1330 |
nm |
- |
1530 |
1550 |
1570 |
Λc-3 |
Λc |
Λc+3 |
|
*O+S+C+L |
Threshold current |
Ith |
- |
10 |
15 |
mA |
1310nm,25℃ |
Spectral width |
Δλ |
- |
0.5 |
1 |
nm |
CW,Ith+20mA |
Side mode suppression ratio |
SMSR |
30 |
40 |
- |
dB |
|
Output power |
P |
- |
1.0 |
2.0 |
mW |
CW,Ith+20 mA |
Operating voltage |
Vop |
- |
1.1 |
1.5 |
V |
CW,Ith+20 mA |
Bandwidth(3dB) |
Bw |
5 |
1000 |
2500 |
MHz |
Rl=50Ω |
Rise/ Fall time |
Tr/Tf |
- |
0.3 |
0.7 |
nS |
CW,Ith+20mA |
Monitor current |
Im |
0.1 |
0.7 |
- |
mA |
CW,Ith+20mA |
Optical Isolation |
Iso |
30 |
- |
- |
dB |
25℃ |
Relative intensity Noise |
Rin |
- |
-135 |
- |
dBm/Hz |
CW,2mW,50MHz-100MHz |
Second-Order
Intermodulation |
IMD2 |
- |
-40 |
- |
dBc |
@2stone,0dBm |
Third-Order
Intermodulation |
IMD3 |
- |
-58 |
- |
dBc |
@2stone,0dBm |
With isolator (Single stage isolator or Dual stage Isolator) or without isolatoravailable

