
Our internet speeds have increased dramatically in recent years, thanks to the widespread deployment of fiber optic networks. So, what are fiber-optic networks? Follow me into the world of fiber-optic networks.
What are fiber-optic networks?
A fiber optic network is a communication network that uses optical fibers to transmit information. It is a communication system composed of fiber optic links. Fiber optic networks are known for their high speed, stability, and ability to communicate over long distances. They enable efficient data transmission by converting data into optical signals, transmitting them through optical fibers, and then converting them into electrical signals.
A fiber optic network is a communication system consisting of a number of fiber optic links and other components. It enables data transmission from any node in the network to any other node. This technology is implemented based on fiber optics. It mainly uses glass optical fibers, but for short-distance transmission, it may also contain plastic fibers.

Classification of fiber optic networks
According to the area it covers:
- Local area network (LAN): used to connect two or more points within a small area, such as within a building or between several buildings;
- Metropolitan Area Network (MAN): covering a larger area, such as a city:
- Wide Area Network (WAN): extends over a larger area, such as an entire country, or even more.
Often, larger-scale networks are realized by connecting smaller-scale networks. For example, a WAN can be realized by connecting metropolitan area networks.
According to the components used:
- Active optical networks: active optical networks include active components such as fiber optic amplifiers.
- Passive optical networks: Passive optical networks (PON) use only passive components, such as optical filters and beam splitters.
Technologies that can be implemented
Fiber optic networks can implement the so-called fiber-to-the-home (FTTH) technology, which provides data connections to private homes via optical fibers instead of cables.
Fiber to the Home (FTTH) (or FTTP: Fiber to the Premises) refers to the provision of broadband data connections (e.g., to provide Internet access, telephony, video-on-demand, and sometimes triple-play services) over optical fiber to private users and small offices.
Rate of Fiber Optic Network
The data rate of a fiber optic network is a crucial metric. GPON (gigabit PON) is a passive optical network with a downstream data rate of 2.5 Gbit/s and an upstream data rate of 2.5 Gbit/s. 10G GPON (10G gigabit PON) is a passive optical network with a downlink data rate of 10 Gbit/s and an uplink data rate of 10 Gbit/s.
Conclusion
A fiber optic network is a communication network that uses optical fibers to transmit information and is classified differently. Fiber-optic networks have high rates and high stability and can achieve long-distance transmission.
They have a wide range of applications, connecting metropolitan area networks to realize wide-area networks, providing great convenience for information communication.
Through the fiber optic network, people can enjoy high-speed, stable network services, promoting the development of digital society and the convenience of information transmission.
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Reference
https://www.photonicsbook.com/encyclopedia/6962598816716165124/6961212832642539521.html