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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.
|
Item |
Content |
|
Model Number |
BLBD-PSA-D3105B-55B-2R |
|
Brand Name |
Belycomm |
|
Mounting Type |
Universal type |
|
Description |
Pigtail BOSA module |
|
Type |
Laser Diode |
|
Place of Origin |
Fujian, China |
|
Package Type |
Through Hole |
|
Package / Case |
Coaxial |
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Operating Temperature |
-20~+70℃ |
|
Application |
GPON ONU CATV |
|
Supplier Type |
original manufacturer, ODM, agency, retailer |
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Media Available |
Datasheet, Photo |
Compact Design
Integrates TX and RX into a single module, reducing space requirements.
High Efficiency
Enables data transmission over long distances without signal degradation.
High-Quality Customized Services
Cost-Effective: Reduces the need for additional optical components, lowering infrastructure costs.
Standardized Production
Scalability: Supports future upgrades to higher-speed PON technologies.
The primary function of the BOSA is to facilitate bidirectional communication in optical transmission systems. By housing both the transmit and receive elements in one component, the BOSA streamlines the optical communication process, resulting in enhanced performance and reduced complexity. Its ability to handle signals in both directions makes it an indispensable component in various applications, from fiber optic networks to telecommunications infrastructure.
|
Component |
Function |
|
Laser Diode (LD) |
Transmits optical signals for upstream communication (1310 nm in GPON, 1270 nm in XGS-PON). |
|
Photodiode (PD) |
Receives optical signals for downstream communication (1490 nm in GPON, 1577 nm in XGS-PON). |
|
Wavelength Division Multiplexer (WDM) Filter |
Separates and combines different wavelengths for bidirectional communication. |
|
Transimpedance Amplifier (TIA) |
Converts weak optical signals from the photodiode into electrical signals. |
|
Thermoelectric Cooler (TEC, optional) |
Maintains stable laser diode temperature to ensure wavelength consistency. |
The Basic Principle Of BOSA
BOSA integrates multiple optical components to achieve bi-directional communication:
Transmitter (TOSA)
Generates continuous-wave or modulated light at a specific wavelength (e.g., 1310 nm upstream).
Receiver (ROSA)
Detects incoming light at a different wavelength (e.g., 1490 nm downstream) using a PIN or APD photodiode.
Wavelength Multiplexer/Demultiplexer (WDM Filter)
Combines transmit and receive wavelengths into a single fiber and separates them at the receiver side.
Signal Flow
Electrical transmit signal → TOSA → WDM multiplexer → Single fiber → WDM demultiplexer → ROSA → Electrical output
Fiber-to-the-Home (FTTH): Reduces fiber deployment costs by using a single fiber per subscriber.
Passive Optical Networks (PON/GPON/XG-PON): Upstream and downstream full-duplex transmission.
Enterprise Networks: Short-reach links with minimal fiber cabling.
Data Center Interconnects: Compact, low-power optical links in rack-to-rack connections.
Metro and Access Networks: Cost-effective deployment where fiber availability is limited.
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Quantity (pieces) |
1 - 10 |
11 - 100 |
101 - 1000 |
> 1000 |
|
Lead time (days) |
10 |
16 |
18 |
To be negotiated |
|
Selling Units |
Single item |
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Single Package Size |
29X22.5X5.5 cm |
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Single Gross Weight |
1.000 KG |
As one of the most professional bosa manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy customized bosa from our factory.
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