WDM combo double laser module Series use InGaAsP/InP MQW FP/DFB chip.They have features as follows: low noise,low distortion,high isolation excellent, reliability, high linearity and wide communication band. The laser diode is mounted into a coaxial package with single mode fiber pigtail, FC/UPC output.
Features
- High-reliability MQW DFB laser chips
- Built-in InGaAsp monitor PD
- Low noise, low distortion Low threshold current
- Integrated Optical Isolator
- Coaxial Pigtail Package
Applications
Light source
Absolute Maximum Ratings
| Parameter | Symbol | Min. | Type. | Max. | Unit |
| Reverse voltage(LD) | Vrl | - | - | 2 | V |
| Forward Current (LD) | LfL | - | - | 150 | mA |
| Reverse voltage (monitor) | Vrl | - | - | 15 | V |
| Reverse Current (monitor) | Lrp | - | - | 2 | mA |
| Soldering Temperature(< 10sec.) | Stemp | - | - | 260 | ℃ |
| Storage Temperature | Tstg | -40 | - | 85 | ℃ |
| Operating Temperature | Top | -20 | - | 80 | ℃ |
Electrical and optical characteristics
| Parameter | Symbol | Min. | Typical | Max. | Unit | Notes |
| 1310nm FP Laser | ||||||
| Output Power | Po | 1 | 2 | - | mW | CW,If=Ith 20mA |
| Slope Efficiency | SE | 0.05 | - | - | mW/mA | - |
| Threshold Current | Ith | - | 10 | 15 | mA | CW |
| Opersting Current | If | - | 30 | 40 | mA | CW |
| Opersting Voltage | Vf | - | 1.2 | 1.5 | V | CW |
| Monitor Current | Im | 100 | - | 900 | uA | Vrd=5V, If=Ith 20mA |
| Monitor Dark Current | Id | - | 0.5 | 1 | nA | Vrd=5V |
| Cent Wavelength | λc | 1300 | 1310 | 1320 | nm | CW, If=Ith 20mA |
| Spectral Width | Δλ | - | - | 4 | nm | -3dB |
| Spectral Shift | Δλ/ΔT | - | - | 0.1 | nm/℃ | CW, If=Ith 20mA |
| Tracking Error | TE | -1.5 | - | 1.5 | dB | Im=const, TE=10log(P/2.0) |
| Return Loss | ER | 40 | 45 | - | dB | CW |
| Isolation | ISO | 30 | 35 | - | dB | Single Stage |
| 1490nm DFB Laser | ||||||
| Output Power | Po | 1 | 2 | - | mW | CW,If=Ith 20mA |
| Slope Efficiency | SE | 0.05 | - | - | mW/mA | - |
| Threshold Current | Ith | - | 10 | 15 | mA | CW |
| Opersting Current | If | - | 30 | 40 | mA | CW |
| Opersting Voltage | Vf | - | 1.2 | 1.5 | V | CW |
| Monitor Current | Im | 100 | - | 900 | uA | Vrd=5V, If=Ith 20mA |
| Monitor Dark Current | Id | - | 0.5 | 1 | nA | Vrd=5V |
| Cent Wavelength | λc | 1480 | 1490 | 1550 | nm | CW, If=Ith 20mA |
| Spectral Width | Δλ | - | 0.2 | 1 | nm | -20dB |
| Side-Mode Suppression Ratio | SMSR | 35 | - | - | dB | Po=2mW, |
| Spectral Shift | Δλ/ΔT | - | - | 0.1 | nm/℃ | CW, If=Ith 20mA |
| Tracking Error | TE | -1.5 | - | 1.5 | dB | Im=const, TE=10log(P/2.0) |
| Return Loss | ER | 40 | 45 | - | dB | CW |
| Isolation | ISO | 30 | 35 | - | dB | Single Stage |
| 1550nm FP Laser | ||||||
| Output Power | Po | 1 | 2 | - | mW | CW,If=Ith 20mA |
| Slope Efficiency | SE | 0.05 | - | - | mW/mA | - |
| Threshold Current | Ith | - | 10 | 15 | mA | CW |
| Opersting Current | If | - | 30 | 40 | mA | CW |
| Opersting Voltage | Vf | - | 1.2 | 1.5 | V | CW |
| Monitor Current | Im | 100 | - | 900 | uA | Vrd=5V, If=Ith 20mA |
| Monitor Dark Current | Id | - | 0.5 | 1 | nA | Vrd=5V |
| Cent Wavelength | λc | 1540 | 1550 | 1560 | nm | CW, If=Ith 20mA |
| Spectral Width | Δλ | - | - | 4 | nm | -3dB |
| Spectral Shift | Δλ/ΔT | - | - | 0.1 | nm/℃ | CW, If=Ith 20mA |
| Tracking Error | TE | -1.5 | - | 1.5 | dB | Im=const, TE=10log(P/2.0) |
| Return Loss | ER | 40 | 45 | - | dB | CW |
| Isolation | ISO | 30 | 35 | - | dB | Single Stage |
Pin Assignment
Dimensions
