Abstract
The amount of information that a fiber optic cable can transmit depends on the number of fiber cores installed.
However, a simple increase in the number of cores would require a thicker cable diameter, which
does not contribute to an efficient network construction. New cable structures, different from conventional
loose tube-type or slotted core-type cables, have been developed and have been put into practical
use. This paper introduces high-density optical fiber cables that utilize single-core fibers.