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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 29, Iss. 36 — Dec. 20, 1990
  • pp: 5343–5352

Dispersion studies of a single-mode triangular-index fiber with a trench by the vector mode analysis

Gar Lam Yip and Jingwen Jiang  »View Author Affiliations


Applied Optics, Vol. 29, Issue 36, pp. 5343-5352 (1990)
http://dx.doi.org/10.1364/AO.29.005343


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Abstract

A Runge-Kutta procedure was used for investigating the dispersion characteristics of single-mode triangular- index fibers with a trench in the cladding. Numerical results on the total dispersion, its sensitivities to the core radius, wavelength, index difference variations, and its influence on the fiber’s bandwidth–length product are presented. Some interesting features, due to the presence of a trench, are pointed out. One salient feature is the appearance of dispersion flattening over a certain wavelength range near 1.55 μm for b/a = 2 and c/a > 2.7 (a = core radius, b = inner trench radius, c = outer trench radius) where the total dispersion is low, yielding a bandwidth–length product as high as 104 GHz · km. The presence of a trench has not been investigated previously.

© 1990 Optical Society of America

History
Original Manuscript: January 22, 1990
Published: December 20, 1990

Citation
Gar Lam Yip and Jingwen Jiang, "Dispersion studies of a single-mode triangular-index fiber with a trench by the vector mode analysis," Appl. Opt. 29, 5343-5352 (1990)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-29-36-5343


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