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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 31 — Nov. 1, 2004
  • pp: 5832–5837

Analysis of nonuniformities of sampled fiber Bragg gratings

Qiang Wu, Chong-Xiu Yu, Kui-ru Wang, Xiang-jun Xin, Xu Wang, and Zhi-hui Yu  »View Author Affiliations


Applied Optics, Vol. 43, Issue 31, pp. 5832-5837 (2004)
http://dx.doi.org/10.1364/AO.43.005832


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Abstract

We have analyzed the effects of various normally distributed nonuniformities of sampled fiber Bragg gratings on the reflective spectra and group time delay. Through numerical simulations we have drawn the following conclusions: (1) the magnitude of nonuniformity with normal distribution of the fiber’s average refractive-index modulation δ̅ neff greatly influences the characteristics of both reflective spectra and group time delay, whose suggested precision varies from 20% to 10%; (2) the nonuniformities of sampling periods P and sampling lengths L are important factors that influence the characteristics of the group time delay, and the accepted tolerance of dimensional precision of both P and L are ±4 μm; and (3) the tolerance of nonuniformity of the sampling period’s chirp coefficient is high, and its precision can be as great as 100% with few adverse effects.

© 2004 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.2340) Fiber optics and optical communications : Fiber optics components

History
Original Manuscript: November 14, 2003
Revised Manuscript: March 16, 2004
Manuscript Accepted: March 23, 2004
Published: November 1, 2004

Citation
Qiang Wu, Chong-Xiu Yu, Kui-ru Wang, Xiang-jun Xin, Xu Wang, and Zhi-hui Yu, "Analysis of nonuniformities of sampled fiber Bragg gratings," Appl. Opt. 43, 5832-5837 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-31-5832


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References

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