Hangzhou Brandnew Technology Co., Ltd. is one of China's leading manufacturers and premier suppliers of advanced 1550nm fiber coupling laser diodes. Operating a state-of-the-art factory, we specialize in the entire production spectrum—from high-performance chips, TO/F/C Mounts, COS, and MCC bars, to robust stacks and advanced fiber-coupled solutions.
20W 1550nm Fiber Coupling Laser Diodes For Optic Communication System
Features:
- 1550nm central wavelength
- Compact design, easy to use
- High reliability and stability
- 12 months warranty time
Applications:
- End-pumped solid-state laser production
- light source
- Photonic Integrated Circuits

Optical communication is a new method of global communication, which provides a variety of communications, a new reality in multiple technology systems, and a comprehensive optical dual control system. Super light two-way pipe is one kind of precision technology, it has many kinds of use, it is light communication medium key technology.
Data Sheet
Item No: FC1550DL20
Item Name: 1550nm Fiber Coupling Laser Diodes
| Optic | |
|
Center Wavelength |
1550nm |
|
Wavelength Tolerance |
±20nm |
|
Output Power |
20W |
| Working Mode | CW |
|
Fiber |
|
|
Fiber Core |
200um |
|
Fiber Numerical Aperture |
0.22NA |
|
Fiber Length |
1m |
|
Fiber Connector |
SMA905 |
|
Electrical |
|
|
Operating Current Iop |
7A |
|
Threshold Current Ith |
0.5A |
|
Operating Voltage Vop |
15V |
|
Thermal |
|
|
Testing Temperatur |
25℃ |
|
Storage Temperature |
-30-70℃ |
Drawing:

In addition to optical fibers and optical receivers, one of the key components of any fiber-optic communication system is the optical transmitter. The transmitter is used to convert electrical signals into optical signals and usually takes the form of a laser diode - a semiconductor device that produces a laser beam at a junction.
This principle can also be applied in photonic integrated circuits to create externally modulated lasers (EMLs). This type of device combines an external modulator with a distributed feedback (DFB) laser diode on a single chip.
An optical transceiver combines the transmitter and receiver in a single housing and can also be designed with DML or EML optics.
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