WDM Combo Double Laser BOSA
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The WDM combo BOSA double laser features a bidirectional transmission which is ideal for use in light source detection, OTDR systems, and other analog transmission systems. We use FP, DFP, and CWDM bidirectional lasers according to customer requirements. This laser features a low noise and high isolation with an output power range of 1 to 4mw.
Absolute Maximum RatingsParameter | 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 | ℃ |
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 |
Operating Current | If | | 30 | 40 | mA | CW |
Operating 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 |
Operating Current | If | | 30 | 40 | mA | CW |
Operating 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 |
Operating Current | If | | 30 | 40 | mA | CW |
Operating 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 |
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