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1550nm SM Ultra High power Narrow Linewidth Laser Diodes
The 1550 nm ultra-narrow linewidth single-frequency laser is a high-performance semiconductor laser thatintegrates silicon photonic chip technology, precise optical path design, and advanced packaging processes.
Product features:Optical output 100mW; Narrow linewidth < 1MHz; with TEC; Optical Isolation 30dB; Pigtail Length 1.0±0.1m; SM Fiber; FC/APC
Part Number:MP-HP-NL-1550-B-A81-SA
Application area:LiDAR | Coherentdetection | Fiberopticsensing | Biomedicalphotonics | Scientificresearchequipment | 3Dmapping
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Wavelength Output Power Linwidth
1550nm 100mW 500kHz

Optical and electrical parameters (TLD=25℃)
Parameter | Symbol | Condition | Min. | Typical | Max. | Unit |
Center Wavelength | λc | TL=15~35℃ CW | 1549.62 | 1550.12 | 1550.62 | nm |
Peak Optical Output Power | PO | - | 100 | - | mW | |
Spectral linewidth | LW | - | - | 0.5 | 1 | MHz |
Side-mode Suppression Ratio | SMSR | CW | 30 | 40 | - | dB |
Optical Isolation | - | -10 < TC < +70 ºC | 30 | - | - | dB |
Polarization Extinction Ratio | ER | - | 20 | - | - | dB |
Relative Intensity Noise | RIN | CW, output power 5mW | - | - | -135 | dB |
Wavelength drift with case (-10 to 70 ºC) temperature | △λ | TL=15~35℃ | - | - | ±30 | pm |
Electrical Characteristics (at 25 °C laser temperature)
Parameter | Symbol | Condition | Min. | Typical | Max. | Unit |
Threshold Current | ITH | - | - | 40 | 50 | mA |
Slope Efficiency | ƞ | CW output power 100 mW | 0.064 | 0.1 | - | mW/mA |
Operating current | Iop | CW | - | 500 | 700 | mA |
TEC set temperature | Ts | - | 15 | - | 35 | ℃ |
Laser Forward Voltage | VF | CW output power 100 mW | - | 1.3 | 1.8 | V |
Monitor Dark Current | ID | - | - | - | 0.1 | μA |
Input Impedance | ZIN | - | 22 | 25 | 28 | Ω |
Thermistor Current | ITC | - | 10 | - | 100 | μA |
Thermistor Resistance | RTH | TL = 25 °C | 9.5 | 10 | 10.5 | KΩ |
TEC Current | ITEC | TL = 25 °C, TC = 70 °C | - | - | 1.8 | A |
TEC Voltage | VTEC | TL = 25 °C, TC = 70 °C | - | - | 3.5 | V |
TEC capacity | ΔT | Tc = 70℃ | - | - | 50 | °C |
Thermistor temperature | - | - | - | - | 100 | °C |
Dimensions and Pin definitions


Pin | Function | Pin | Function |
1 | TEC + | 8 | NC |
2 | Thermistors | 9 | NC |
3 | PD - | 10 | LD+ |
4 | PD + | 11 | LD- |
5 | Thermistors | 12 | NC |
6 | NC | 13 | Case |
7 | NC | 14 | TEC - |
Absolute Maximum Ratings
Parameter | Symbol | Min. | Typical | Max. | Unit |
Storage temperature | Ts | -40 | - | 85 | ℃ |
Operating case temperature | Top | -15 | - | 75 | ℃ |
Forward Current | If | - | - | 900 | mA |
Reverse Voltage | VR | - | - | 2 | V |
Photodiode Forward Current | IFPD | - | - | 2 | mA |
Photodiode Reverse Voltage | VRPD | - | - | 10 | V |
TEC current | ITEC | - | 0.8 | 1.4 | A |
TEC voltage | VTEC | - | 1.5 | 3.5 | V |
Fiber Pigtail Specifications
Parameters | Description |
Fiber Type | SM fiber |
Jacket Type | 900μm loose tube |
Pigtail Length | 1.0±0.1m |
Connector Type | FC/APC |
PM fiber Connector Orientation | Please see the right figure |
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