What does "cross-talk" refer to in the context of fiber optics?

In the context of fiber optics, "cross-talk" specifically refers to interference that occurs between adjacent fibers. This phenomenon can happen when signals traveling through one fiber influence or bleed into another fiber, potentially leading to data degradation or loss of signal integrity. Cross-talk is particularly critical in dense cable configurations or systems where multiple fibers are placed close together, as the risk of interference increases with proximity.

Understanding cross-talk is crucial for fiber optic installers, as it can impact the overall performance of a network. Proper installation techniques, including appropriate spacing and using cables with lower susceptibility to interference, are essential in minimizing cross-talk.

The other choices do not accurately reflect the concept of cross-talk. Signal amplification pertains to methods used to boost signal strength, which is not related to interference. A method of fiber installation refers to the techniques used to physically lay and connect fibers, while fiber optic cleaning procedures focus on maintaining the cleanliness of fiber ends to ensure optimal transmission but do not involve cross-talk.