High-stability 1550nm DFB laser diode with TEC control and SM fiber output, designed for optical testing, communication systems, and OEM integration. The 1550nm DFB Butterfly Laser Diode is a compact and stable optical source designed for fiber optic systems and precision measurement applications. Integrating a DFB laser chip with a butterfly package and single-mode fiber output, this module ensures reliable performance and consistent optical output.
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- Description
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Description
1550nm 10mW DFB Butterfly Laser Diode Overview
The 1550nm DFB Butterfly Laser Diode is a compact and stable optical source designed for fiber optic systems and precision measurement applications. Integrating a DFB laser chip with a butterfly package and single-mode fiber output, this module ensures reliable performance and consistent optical output.
With integrated TEC, thermistor, and monitor photodiode, the module provides accurate temperature control and long-term wavelength stability. Operating at the 1550 nm wavelength, it is optimized for low-loss transmission and high compatibility with fiber optic communication systems.
This module is ideal for optical testing instruments, sensing systems, and OEM integration where stable output and high reliability are required.
Key Features
- Stable 1550 nm DFB laser output
- Butterfly package for reliable integration
- Integrated TEC for precise temperature control
- Built-in monitor photodiode (MPD)
- High SMSR ≥45 dB
- Low threshold current (12–18 mA)
- SM fiber output for easy system connection
- Telcordia GR-468-CORE compliant
Applications
- Optical communication systems
- Optical test and measurement equipment
- Fiber optic sensing systems
- Laser source modules for OEM integration
- Laboratory and research applications
Optical/Electrical Parameters
| Parameter | Symbol | Test Conditions | Min. | Typ | Max. | Unit |
|---|---|---|---|---|---|---|
| Threshold Current | Ith | @25℃,CW | – | 12 | 18 | mA |
| Operation Current | Iop | – | – | – | 120 | mA |
| Optical Output Power | P | @25℃, IF=Iop | 10 | – | – | mW |
| Center Wavelength | λc | @25℃, IF=Iop | λ-3 | λ | λ+3 | nm |
| Side Mode Suppression Ratio | SMSR | @25℃, IF=Iop | 45 | – | – | dB |
| Isolation | ISO | @25℃, CW | 30 | – | – | dB |
| Monitor Operation Current | IMON | @25℃, CW | 50 | – | 4000 | μA |
| TEC Current | ITEC | – | – | – | 1.6 | A |
| Wavelength temperature coefficient | △λ/△T | – | – | 0.1 | 0.12 | nm/°C |
| Thermistor Resistance | RT | @25℃ | 9.5 | 10 | 10.5 | kΩ |
| Thermistor B-Value | β | 25℃/85℃ | – | 3950 | – | K |
| Fiber Length | – | – | – | 1 | – | m |
| Fiber Core/Cladding/Buffer | – | – | – | 9/125/90 | – | μm |
Absolute Maximum Ratings
| Parameter | Symbol | Min | Max | Unit |
|---|---|---|---|---|
| Storage Temperature | Tstg | -40 | 85 | ℃ |
| Relative Humidity | RH | 0 | 85 | % |
| LD Forward Current | ILF | – | 120 | mA |
| LD Reverse Voltage | VLR | – | 1.8 | V |
| PD Reverse Voltage | VR | – | 10 | V |
| TEC Current | Itec | – | 1.8 | A |
| TEC Voltage | Vtec | – | 4.0 | V |
| Lead Soldering Temperature and Time | Tsold/t | – | 260/10 | ℃ /s |
| Fiber bend radius | r | 30 | – | mm |
Product Size
Dimensions are in millimeters and (inches)
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 | – | Cooled | – | Fiber | Connector | Optical power | PIN Description |
|---|---|---|---|---|---|---|---|---|
| LTBF | 1310
1550 |
– | 0:without TEC
1:with TEC |
– | SM | 2：SC/APC
5：FC/APC |
10:10mW
20:20mW |
A: Type A |
Example:
| Family Name | Wavelength | – | Cooled | – | Fiber | Connector | Optical power | PIN Description |
|---|---|---|---|---|---|---|---|---|
| LTBF | 1550 | – | 1 | – | SM | 5 | 10 | 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 10mW DFB Butterfly Laser Diode?
1550nm 10mW DFB Butterfly Laser Diode belongs to the DFB product family and is used for laser emission applications.
What wavelength or spectral range does 1550nm 10mW DFB Butterfly Laser Diode 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 10mW DFB Butterfly Laser Diode?
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 10mW DFB Butterfly Laser Diode?
The product is listed for Optical Communications, Optical Test & Measurement, OEM Optical Integration. 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 | OEM Optical Integration, Optical Communications, Optical Test & Measurement |
| Package Type | Butterfly |
| Device Function | Laser Emission |
| Wavelength / Spectral Range | 1550 nm |
