CWDM Laser Diode Module
Features
MQW 1270~1610nm DFB LD Built-in InGaAsP monitor PD Excellent reliability
High Linearity
Applications
SONET OC-3/12/24/48 SDH STM-1/4/8/16 WDM System
Laser Source at Specific Wavelengths
Absolute maximum ratings
Parameter | Symbol | Min. | Max. | Unit | Test condition |
| | | | | |
Storage temperature | Tst | -40 | +100 | °C | - |
| | | | | |
Operating temperature | Top | -40 | +85 | °C | - |
| | | | | |
Reverse voltage | VR | | 2 | V | CW |
Solder temperature/time | | | 260/10 | °C /S | - |
| |
Optical & electrical characteristics(T=25°C) | |
| Parameter | | Symbol | | Min. | Typ. | Max. | | Unit | Test condition |
| | | | | | | | | | |
| Center wavelength | | λc | | λ-3 | λ○ | λ+3 | | nm | - |
| | | | | | 1 | | | | |
| | | | | | | | | | |
| Threshold current | | Ith | - | 10 | 15 | | mA | |
| | | | | | | | | | |
| Side mode suppression ratio | | SMSR | 30 | 40 | - | | dB | |
| | | | | | | | | | |
| Spectral width | | Δλ | - | 1 | 2 | | nm | Ith+20mA,-20dB |
| | | | | | | | | | |
| Output power | | P | 2 | - | - | | mW | CW,Ith+20mA |
| | | | | | | | | | |
| Operating voltage | | Vop | - | 1.1 | 1.5 | | V | CW,Ith+20mA |
| | | | | | | | | | |
| Rise/ Fall time | | Tr/Tf | - | 0.3 | 0.7 | | nS | 10%~90%,Ib=Ith |
| | | | | | | | | | |
| Monitor current | | Im | 0.1 | 0.7 | - | | mA | CW,Ith+20mA |
| | | | | | | | | | |
| Optical Isolation○ | | Iso | 30 | - | - | | dB | Single stage |
2 | | | | | | | | | |
| | | | | | | | | | |
| | | | 50 | - | - | | dB | Dual stage |
| | | | | | | | | | |
1 | | | | | | | | | |
Note: ○λ=1270nm~1610nm,step=20nm | | | | | | | |
○2temperature range:-20~70°C