High-bandwidth plastic optical fiber with W-refractive index profile

Takaaki Ishigure, Hideki Endo, Kunihiro Ohdoko, Yasuhiro Koike

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


A plastic optical fiber having a W-shaped refractive index profile [W-shaped plastic optical fiber (POF)] was prepared for the first time to realize a higher bit rate transmission than those of the conventional silica-based multimode fiber and graded-index (GI) POF links. Since the W-shaped POF has a valley of the refractive index at the boundary of the core and cladding of the conventional GI POF, the group delay of higher order modes is strongly influenced, thus compensating the modal dispersion that exists in the GI POF. The modal dispersion compensation effect by the W-shaped index profile was theoretically and experimentally confirmed.

Original languageEnglish
Pages (from-to)2081-2083
Number of pages3
JournalIEEE Photonics Technology Letters
Issue number9
Publication statusPublished - 2004 Sept

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering


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