

High power 1550nm DFB laser diode with narrow linewidth and TO package, delivering stable output and high SMSR for optical sensing, measurement, and precision photonic applications. The 1550nm High Power Narrow Linewidth DFB Laser Diode is designed for high-performance optical applications requiring excellent spectral purity and stable output. This DFB laser diode features a TO package structure, offering reliable thermal performance and easy integration into various optical systems.
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Description
1550nm High Power Narrow Linewidth DFB Laser Diode TO Package Overview
The 1550nm High Power Narrow Linewidth DFB Laser Diode is designed for high-performance optical applications requiring excellent spectral purity and stable output. This DFB laser diode features a TO package structure, offering reliable thermal performance and easy integration into various optical systems.
With high output power and ultra-narrow linewidth characteristics, this device ensures superior signal stability and precision, making it ideal for demanding applications such as optical sensing and precision measurement. The laser operates at a central wavelength of 1550nm, a key telecom and sensing band known for low transmission loss and high system compatibility.
Optimized for long-term reliability and consistent performance, this DFB laser diode delivers excellent side mode suppression ratio (SMSR) and stable operation under continuous working conditions. It is an ideal choice for engineers and system integrators seeking high-quality DFB laser sources for advanced photonic systems.
Key Features
- High output power up to 90 mW
- Narrow linewidth as low as 100 kHz
- Stable 1550nm wavelength operation
- High SMSR up to 51 dB
- TO package for reliable thermal performance
- Excellent spectral stability and precision
Applications
- Optical sensing systems
- Optical measurement and instrumentation
- Fiber optic communication systems
- LiDAR and detection systems
- Scientific research and photonics experiments
Technical Parameters
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Output Power | Pf | If = 500 mA | 50 | 90 | – | mW |
| Forward Voltage | Vf | Pf = 90 mW | – | – | 2.0 | V |
| Threshold Current | Ith | – | – | – | 24 | mA |
| Forward Current | If | Pf = 90 mW | – | – | 500 | mA |
| Center Wavelength | λc | Pf = 60 mW | – | 1550 | – | nm |
| Linewidth | Δλ | If = 200 mA | 100 | 150 | – | kHz |
| SMSR | SMSR | – | – | 51 | – | dB |
All specifications are measured at 25°C
Product Size

DFB Laser Integration
For DFB laser selection, specify the target wavelength, required optical power, package, spectral characteristics and temperature-control requirements. Match the available wavelength-tuning conditions to the absorption line or optical system in the stated application.
Frequently Asked Questions
What type of photonic device is 1550nm High Power Narrow Linewidth DFB Laser Diode TO Package?
1550nm High Power Narrow Linewidth DFB Laser Diode TO Package belongs to the DFB product family and is used for laser emission applications.
What wavelength or spectral range does 1550nm High Power Narrow Linewidth DFB Laser Diode TO Package use?
The specified wavelength or spectral range is 1550 nm. Refer to the technical specifications above for operating conditions and applicable tolerances.
What package is available for 1550nm High Power Narrow Linewidth DFB Laser Diode TO Package?
The product is listed in TO Package format. Check the package drawing and pin or fiber details above before integration.
What applications are associated with 1550nm High Power Narrow Linewidth DFB Laser Diode TO Package?
The product is listed for LiDAR & Ranging, Optical Communications, Optical Test & Measurement. Suitability should be evaluated against the required optical and electrical specifications.
Related Technical Resources
Additional information
| Device Technology | DFB |
|---|---|
| Wavelength Band | 1400–1599 nm |
| Application | LiDAR & Ranging, Optical Communications, Optical Test & Measurement |
| Package Type | TO Package |
| Device Function | Laser Emission |
| Wavelength / Spectral Range | 1550 nm |
