High power 1550nm DFB laser diode in butterfly package with SM/PM fiber, delivering 50mW stable output for optical communication, testing, and sensing applications. The 1550nm High Power DFB Butterfly Laser Diode is designed for applications requiring stable, high optical output and reliable performance. Featuring a DFB laser chip integrated into a butterfly package, this module provides excellent wavelength stability and high spectral purity.
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Description
1550nm Laser Diode High Power DFB Butterfly Package (50mW Output, SM/PM Fiber) Overview
The 1550nm High Power DFB Butterfly Laser Diode is designed for applications requiring stable, high optical output and reliable performance. Featuring a DFB laser chip integrated into a butterfly package, this module provides excellent wavelength stability and high spectral purity.
With output power up to 50 mW, this module is suitable for demanding optical systems such as testing equipment, sensing systems, and fiber optic applications. The integrated TEC, thermistor, and monitor photodiode ensure precise temperature control and stable output performance.
Available with SM or PM fiber options, the module supports flexible system integration and meets Telcordia GR-468 standards for long-term reliability.
Key Features
- High output power up to 50 mW
- Stable 1550 nm DFB laser source
- Butterfly package with fiber output
- SM and PM fiber options available
- Integrated TEC, thermistor, and MPD
- High SMSR ≥40 dB
- Telcordia GR-468 compliant
Applications
- Optical test instruments
- Fiber optic communication systems
- Laser source modules
- Optical sensing systems
Optical/Electrical Parameters
| Parameter | Symbol | Test Conditions | Min. | Typ | Max. | Unit |
|---|---|---|---|---|---|---|
| Threshold Current | Ith | @25℃,CW | – | – | 30 | mA |
| Operation Current with TEC | Iop | @25℃ | – | 325 | 500 | mA |
| Optical Output Power | P | @25℃, IF=Iop | 50 | – | – | mW |
| LD Forward Voltage | Vf | IF<=300mA | – | – | 2 | V |
| Center Wavelength | λc | @25℃, IF=Iop | 1545 | 1550 | 1555 | nm |
| Side Mode Suppression Ratio | SMSR | @25℃, IF=Iop | 40 | – | – | dB |
| Isolation | ISO | @25℃, CW | 30 | – | – | dB |
| Monitor Operation Current | IMON | @25℃, CW | 50 | – | 4000 | μA |
| TEC Current | ITEC | – | – | – | 1.8 | A |
| Wavelength Temperature Coefficient | △λ/△T | – | – | 0.095 | 0.12 | nm/°C |
| Thermistor Resistance | RT | @25℃ | 9.5 | 10 | 10.5 | kΩ |
| Thermistor B-Value | β | 25℃/85℃ | – | 3950 | – | K |
| Spectral Linewidth | – | @25℃, I=Iop | – | – | 100 | KHz |
| Fiber | – | – | – | SM / PM | – | – |
| Polarization Extinction Ratio (PM Fiber) | PER | @25℃ | 20 | – | – | dB |
Absolute Maximum Ratings
| Parameter | Symbol | Min | Max | Unit |
|---|---|---|---|---|
| Storage Temperature | Tstg | -40 | 85 | ℃ |
| Ambient Operating Temperature | Tc | -20 | 70 | ℃ |
| Relative Humidity | RH | 0 | 85 | % |
| LD Forward Current with TEC | ILF | – | 500 | mA |
| LD Reverse Voltage | VLR | – | 2 | V |
| PD Reverse Voltage | VR | – | 3.9 | V |
| TEC Current | Itec | – | 1.8 | A |
| TEC Voltage | Vtec | – | 4 | V |
| Lead Soldering Temperature and Time | Tsold/t | – | 260/10 | ℃ /s |
| Fiber bend radius | r | 30 | – | mm |
Product Size
Dimensions are in millimeters
Pin Configuration
| Pin | Description | Pin | Description |
|---|---|---|---|
| 1 | Thermistor | 8 | Case Ground |
| 2 | Thermistor | 9 | Case Ground |
| 3 | Laser (-) | 10 | Null |
| 4 | MPD (+) | 11 | Laser (+) |
| 5 | MPD (-) | 12 | Laser (-) |
| 6 | TEC (+) | 13 | Laser (+) |
| 7 | TEC (-) | 14 | Null |
Ordering Information
| Family Name | Wavelength | – | Fiber | Connector | Optical power | PIN Description |
|---|---|---|---|---|---|---|
| LTBF | 1550 | – | SM / PM | 2：SC/APC5：FC/APC | 50:50mW | A: Type A |
Example:
| Family Name | Wavelength | – | Fiber | Connector | Optical power | PIN Description |
|---|---|---|---|---|---|---|
| LTBF | 1550 | – | SM | 5 | 50 | A |
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 Laser Diode High Power DFB Butterfly Package (50mW Output, SM/PM Fiber)?
1550nm Laser Diode High Power DFB Butterfly Package (50mW Output, SM/PM Fiber) belongs to the DFB product family and is used for laser emission applications.
What wavelength or spectral range does 1550nm Laser Diode High Power DFB Butterfly Package (50mW Output, SM/PM Fiber) 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 Laser Diode High Power DFB Butterfly Package (50mW Output, SM/PM Fiber)?
The product is listed in Butterfly format. Check the package drawing and pin or fiber details above before integration.
What applications are associated with 1550nm Laser Diode High Power DFB Butterfly Package (50mW Output, SM/PM Fiber)?
The product is listed for 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 | Optical Communications, Optical Test & Measurement |
| Package Type | Butterfly |
| Device Function | Laser Emission |
| Wavelength / Spectral Range | 1550 nm |
| Optical Interface | PM Fiber |
