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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 21 — Nov. 1, 2013
  • pp: 4409–4412

Spectral analysis of bent fiber Bragg gratings: theory and experiment

Kok-Sing Lim, Hang-Zhou Yang, Ahmed Becir, Man-Hong Lai, Muhammad M. Ali, Xueguang Qiao, and Harith Ahmad  »View Author Affiliations


Optics Letters, Vol. 38, Issue 21, pp. 4409-4412 (2013)
http://dx.doi.org/10.1364/OL.38.004409


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Abstract

This Letter presents a simple mathematical model developed from coupled-mode theory to describe the relationship between Bragg transmission loss (BTL), grating length, coupling coefficients, and bending loss in a bent fiber Bragg grating. In our investigation, the finding indicates that the decrement of BTL can be attributed to the increasing bending loss and degradation of both dc and ac coupling coefficients as the bending radius decreases. Besides, the center wavelength shifts as a result of coupling coefficients degradation. The validity of the proposed model is supported by experimental result.

© 2013 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(230.1150) Optical devices : All-optical devices
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: August 9, 2013
Revised Manuscript: September 18, 2013
Manuscript Accepted: September 26, 2013
Published: October 28, 2013

Citation
Kok-Sing Lim, Hang-Zhou Yang, Ahmed Becir, Man-Hong Lai, Muhammad M. Ali, Xueguang Qiao, and Harith Ahmad, "Spectral analysis of bent fiber Bragg gratings: theory and experiment," Opt. Lett. 38, 4409-4412 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-21-4409


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