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- Directional dependence of spectra of fiber Bragg gratings due to excess loss
- Kitcher, Daniel J.; Nand, Anbhawa; Wade, Scott A.; Jones, Rhys; Baxter, Greg W.; Collins, Stephen F.
- The reflectance spectra of chirped fiber Bragg gratings can depend substantially on the direction from which the measurement is taken. The measured difference between forward and backward reflectance spectra measured in a linearly chirped grating was shown to be due to the measured excess loss. Simulation using the popular transfer-matrix model demonstrated that the observed asymmetric behavior could be obtained only when excess loss has an asymmetric spectral shape about the local Bragg wavelengths. Application of cladding mode excess losses to the result of a transfer-matrix model accounted for the experimental observation.
- Publication type
- Journal article
- Journal of the Optical Society of America A, Vol. 23, no. 11 (Nov 2006), pp. 2906-2911
- Publication year
- FOR Code(s)
- 0205 Optical Physics; 1113 Ophthalmology and Optometry
- Excess losses; Fiber Bragg gratings; Spectra
- Optical Society of America
- Publisher URL
- Copyright © 2006 Optical Society of America. This paper was published in Journal of the Optical Society of America A and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://dx.doi.org/10.1364/JOSAA.23.002906. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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