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Richerlink > News > Industry News > Principle and advantages of optical communication

Principle and advantages of optical communication

Optical communication is a communication method in which light waves are used as carriers.

Advantages of optical communication

1. Long transmission distance, economical and energy saving

2. Transfer huge amount of information at one time

3. Communication speed is fast

Four technologies of optical communication

1.ASON

ASON (Automatically Switched Optical Network) is a concept for the evolution of transport networks which allows for dynamic policy-driven control of an optical or SDH network based on signaling between a user and components of the network.Its aim is to automate the resource and connection management within the network. The IETF defines ASON as an alternative/supplement to NMS based connection management.

2.FTTH

FTTH (fiber-to-the-home): Fiber reaches the boundary of the living space, such as a box on the outside wall of a home. Passive optical networks and point-to-point Ethernet are architectures that are capable of delivering triple-play services over FTTH networks directly from an operator’s central office.

3.WDM

In fiber-optic communications, wavelength-division multiplexing (WDM) is a technology which multiplexes a number of optical carrier signals onto a single optical fiber by using different wavelengths of laser light. This technique enables bidirectional communications over one strand of fiber, as well as multiplication of capacity.

4.RPR

Resilient Packet Ring (RPR), also known as IEEE 802.17, is a protocol standard designed for the optimized transport of data traffic over optical fiber ring networks.

Optical communication equipment

OLT equipment:

OLT optical communication equipment

ONT equipment:

ONT optical communication equipment

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