Spectral analysis of bent fiber Bragg gratings: theory and experiment

Lim, K.S. and Yang, H.Z. and Becir, A. and Lai, M.H. and Ali, M.M. and Qiao, X.G. and Ahmad, Harith (2013) Spectral analysis of bent fiber Bragg gratings: theory and experiment. Optics Letters, 38 (21). pp. 4409-4412. ISSN 0146-9592, DOI https://doi.org/10.1364/OL.38.004409.

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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.

Item Type: Article
Uncontrolled Keywords: Spectral analysis; Bent fiber Bragg gratings
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Department of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 27 Oct 2015 01:02
Last Modified: 11 Oct 2018 02:47
URI: http://eprints.um.edu.my/id/eprint/14343

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