Formation of the refractive index profile in the graded index polymer optical fiber for gigabit data transmission

Takaaki Ishigure, Masataka Satoh, Osamu Takanashi, Eisuke Nihei, Takayuki Nyu, Shuntaro Yamazaki, Yasuhiro Koike

Research output: Contribution to journalArticle

66 Citations (Scopus)

Abstract

Bandwidth characteristics of the large core graded index polymer optical fiber (GI-POF) are theoretically and experimentally clarified in this paper. The refractive index profile of the GI-POF was controlled by the interfacial-gel polymerization to investigate the relation between the index profile and the bandwidth characteristics. It was experimentally confirmed that the maximum bandwidth of the poly methyl methacrylate (PMMA) base GI-POF is at most 3 GHz for 100 m transmission with using the typical laser diode emitting at 650-nm wavelength (3 nm source spectral width) when its refractive index profile is optimized. The maximum bandwidth theoretically estimated by considering both modal and material dispersions is approximately 3 GHz which is exactly the same as the measured value, while higher than 10 GHz for 100 m was expected if only modal dispersion was taken into account. The optimum refractive index profile of the PMMA base GI-POF is theoretically and experimentally clarified by further considering the profile dispersion.

Original languageEnglish
Pages (from-to)2095-2100
Number of pages6
JournalJournal of Lightwave Technology
Volume15
Issue number11
DOIs
Publication statusPublished - 1997 Nov

Fingerprint

Plastic optical fibers
data transmission
Data communication systems
Refractive index
optical fibers
refractivity
Bandwidth
polymers
bandwidth
profiles
Polymethyl methacrylates
polymethyl methacrylate
Dispersions
Semiconductor lasers
Gels
Polymerization
Wavelength
polymerization
semiconductor lasers
gels

Keywords

  • Graded index polymer optical fiber
  • Interfacial-gel polymerization process
  • Material dispersion
  • Modal dispersion
  • Profile dispersion
  • WKB method

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics

Cite this

Formation of the refractive index profile in the graded index polymer optical fiber for gigabit data transmission. / Ishigure, Takaaki; Satoh, Masataka; Takanashi, Osamu; Nihei, Eisuke; Nyu, Takayuki; Yamazaki, Shuntaro; Koike, Yasuhiro.

In: Journal of Lightwave Technology, Vol. 15, No. 11, 11.1997, p. 2095-2100.

Research output: Contribution to journalArticle

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AU - Yamazaki, Shuntaro

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