Difference between physical reach and logical reach of fibre optic

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SUMMARY

The discussion clarifies the distinction between "physical reach" and "logical reach" in fiber optic technology. Physical reach refers to the distance over which light can travel through fiber optic cables before significant attenuation occurs. In contrast, logical reach pertains to the effective distance over which data packets can be transmitted reliably, taking into account factors such as signal processing and error correction. Understanding both concepts is crucial for optimizing fiber-to-the-home internet services.

PREREQUISITES
  • Basic knowledge of fiber optic technology
  • Understanding of signal attenuation in optical fibers
  • Familiarity with data packet transmission
  • Knowledge of error correction techniques in data communication
NEXT STEPS
  • Research "fiber optic signal attenuation" to understand physical reach
  • Explore "data packet transmission in fiber optics" for insights on logical reach
  • Study "error correction techniques in optical communication" to enhance understanding of logical reach
  • Investigate "fiber-to-the-home network design" for practical applications of these concepts
USEFUL FOR

This discussion is beneficial for undergraduate physics students, telecommunications engineers, and network designers involved in fiber optic technology and data transmission optimization.

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Difference between "physical reach" and "logical reach" of fibre optic

Undergrad physics student here, working with fibre optic cables for my final year project, specifically to do with amplifying signals for fibre-to-the-home internet service.

I understand the physical reach of fibre optics - the light attenuates as it passes along the fibre.

But what is the "logical reach" of the fibre? I understand it is something to do with sending actual packets of information, but not much else.

I have a practically no knowledge of data transmission, and a basic knowledge of photonics. Any help is appreciated.
 
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