| 摘要 |
An optical transmission system using an optical fiber as an optical transmission path includes a holey fiber and a dispersion-compensating optical fiber. The holey fiber includes a core region that is formed at a center of the holey fiber, and a cladding region that is formed around the core region and that has a plurality of holes around the core region at regular intervals. The dispersion-compensating optical fiber is connected close to the holey fiber and collectively compensates wavelength dispersion of the holey fiber at operation wavelengths in at least two wavelength bands out of the O band, the E band, the S band, the C band, and the L band within a predetermined range depending on a transmission rate, thereby achieving broadband and large capacity long-haul optical transmission.
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