Abstract

The subject of the paper are big hollow core (capillary) photonic optical fibers (HC-PCF) or photonic band gap optical fibers (PBG). There are considered potential applications of these fibers in trunk, single mode optical cable telecommunication systems as compared with classical erbium doped glass core fibers. There are discussed the following problems: the origins of optical fiber transmission channel information capacity confinements, hypothetical transmission channel parameters based on photonic capillary optical fiber, basic construction solutions for optical capillaries. The paper debates the perspectives of further development of optical capillaries for trunk telecommunications, and examples of research carried now in this domain.

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