Professional Certifications
We have obtained ISO 9001 quality management system and ISO 14001 environmental management system certifications and are actively pursuing IATF 16949 International Automotive Task Force quality management system certification, laying a solid foundation for the application of LiDAR products in the automotive field.
Customized Services
We can provide customized production services for optical fiber products according to customer needs. We implement strict quality control at every stage of the manufacturing process to ensure stable and reliable product performance.
Production Equipment
We have established advanced chip packaging production lines and automatic coupling production lines. Key equipment includes: eutectic die bonding machines, fully automatic eutectic machines, parallel sealing welding machines, TO automatic sealing machines, OSA automatic transmitter coupling machines, and OSA automatic receiver coupling machines.
Professional Team
We maintain close collaborations with renowned research institutions and universities such as the Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Xiamen University, Shenzhen University, Fuzhou University, and Mingde Innovation Laboratory, bringing together a group of experts and technical personnel with long-term experience in optical device research and development.
|
Model Number |
909D-XX101-14XX |
|
Brand Name |
Belycomm |
|
Mounting Type |
Universual type |
|
Description |
14PIN 1550nm DWDM CATV Laser Diode |
|
Type |
Laser Diode |
|
Place of Origin |
Fujian, China |
|
Package Type |
Surface Mount |
|
Package / Case |
Universual type |
|
Operating Temperature |
-20-+70℃ |
|
Series |
Laser diode |
|
D/C |
Unniversual |
|
Application |
Optical fiber communication |
|
Supplier Type |
Retailer, Other |
|
Media Available |
Datasheet, Photo |
|
Max. Forward Voltage |
2V |
|
Max. Reverse Voltage |
100mA |
|
Max. Forward Current |
Customized |
|
Max. Reverse Current |
Customized |
|
Diode Type |
Unniversual type |
|
Technology |
Customized |
|
Voltage - Peak Reverse (max) |
Customized |
|
Current - Average Rectified (Io) |
Customized |
|
Voltage - Forward (Vf) (Max) @ If |
Customized |
|
Current - Reverse Leakage @ Vr |
Customized |
|
Diode Configuration |
Customized |
|
Voltage - DC Reverse (Vr) (Max) |
Customized |
|
Current - Average Rectified (Io) (per Diode) |
Customized |
|
Speed |
Not Applicable |
|
Reverse Recovery Time (trr) |
Customized |
|
Capacitance @ Vr, F |
Customized |
|
Current - Max |
Customized |
|
Resistance @ If, F |
Customized |
|
Power Dissipation (Max) |
Customized |
|
Capacitance Ratio |
Customized |
|
Capacitance Ratio Condition |
Customized |
|
Q @ Vr, F |
Not Applicable |
|
Configuration |
Customized |
|
Power - Max |
10mW |
|
Impedance (Max) (Zzt) |
Customized |
|
Wevelength |
1550nm |
|
Connector |
FC/APC, SC/APC |
|
Power |
10mW |
|
TEC voltage |
2.6V |
|
TEC Current |
1.5A |
|
Threshold Current |
8mA |
|
Thermistor Resistance |
10KΩ |
|
Optical Isolation |
30dB |
|
MPD Dark Current |
50nA |
|
Application |
Optical instrument |

● ITU Grid Wavelength Compliance for DWDM (C-band, 100GHz/0.8nm spacing) systems.
● High-Performance DFB Laser Diode Core ensuring single-mode, narrow-linewidth output with superior side-mode suppression.
● Integrated Stabilization Components including a Thermoelectric Cooler (TEC), thermistor, monitor photodiode, and optical isolator within the package.
● Hermetic 14-Pin Butterfly Package ensuring long-term reliability and performance stability in demanding environments.
● Flexible Output Configurations with customer selection of output power, and optional single-mode or polarization-maintaining (PM) output fibers.
Optical transponder: Converts wavelength light signals.
Optical multiplexer and splitter: Combines and splits fixed wavelength light signals.
Optical amplifier (OLA): Located in the middle of the optical transmission section, the OLA amplifies the optical signal.
Optical supervisory channel: Used to carry the management and monitoring of DWDM system, so that the network management system can effectively manage the DWDM system.

|
Parameter |
Symbol |
Test Condition |
Min |
Typ. |
Max |
Unit |
|
Peak Optical Output Power |
Pp |
|
10 |
|
|
mW |
|
Threshold Current |
Ith |
CW |
|
14 |
25 |
mA |
|
Driving Current |
|
Po=10mW |
60 |
70 |
100 |
mA |
|
Laser Forward Voltage |
Vlf |
Po=10mW |
|
1.1 |
2.0 |
V |
|
Laser Operating Temperature |
Tld |
|
15 |
|
35 |
℃ |
|
Monitor Reverse Voltage |
VRMON |
|
3 |
5 |
10 |
V |
|
Monitor Current |
IRMON |
Po=10mW |
0.1 |
|
2 |
mA |
|
Monitor Dark Current |
ID |
IF=0mA,VRMON=5V |
|
0.01 |
0.1 |
µA |
|
Input Resistance |
ZIN |
|
|
25 |
|
Ω |
|
Thermistor Current |
ITC |
|
10 |
|
100 |
µA |
|
Thermistor Resistance |
RTH |
TL =25℃ |
9.5 |
|
10.5 |
kΩ |
|
TEC Current |
ITEC |
TL =25℃, Taround =70℃ |
|
0.8 |
1.5 |
A |
|
TEC Voltage |
VTEC |
TL =25℃, Taround =70℃ |
|
1.5 |
3.5 |
V |
Telecommunications
In modern optical communication networks, the 14-PIN DWDM Laser serves as a critical light source for transmitting high-speed data over single-mode fiber. This wavelength experiences minimal attenuation in silica-based optical fibers—typically around 0.2 dB/km—enabling signal transmission over hundreds of kilometers without frequent amplification.
Satellite and Free-Space Optical Communications
Satellite communication (SATCOM) and inter-satellite links increasingly rely on 14-PIN DWDM lasers due to their atmospheric transmission efficiency and eye-safety advantages. Unlike shorter wavelengths, 1550 nm light suffers less scattering in the atmosphere and is less affected by weather conditions such as fog and dust.
Optical Sensing and Metrology
The coherence and narrow spectral width of 14-PIN DWDM lasers make them indispensable in high-precision sensing applications requiring accurate phase and frequency control.
Medical and Biophotonics Applications
The 1550 nm wavelength lies within the "therapeutic window" of biological tissue, where optical absorption is low and penetration depth is high—making it ideal for non-invasive imaging and therapeutic procedures.
|
Quantity (pieces) |
1 - 100 |
101 - 1000 |
1001 - 10000 |
> 10000 |
|
Lead time (days) |
17 |
20 |
30 |
To be negotiated |
|
Selling Units |
Single item |
|
Single Package Size |
29X22.5X5.5 cm |
|
Single Gross Weight |
1.000 KG |


As one of the most professional 14-pin dwdm laser manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy customized 14-pin dwdm laser from our factory.
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