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Dynamic Control of a Phase-Shifted FBG through Acousto-Optic Modulation

Marques, C. ; Oliveira, R.A. ; Pohl, A. ; Canning, J. ; Nogueira, R.N.

Optics Communications Vol. 284, Nº 5, pp. 1228 - 1231, March, 2011.

ISSN (print): 0030-4018
ISSN (online):

Journal Impact Factor: 1,552 (in 2008)

Digital Object Identifier: 10.1016/j.optcom.2010.11.023

When an acoustic wave excites a phase-shifted fiber Bragg grating (PSFBG) several properties of the transmission/reflection spectrum, such as transmission notch depth and spectral bandwidth are influenced. In this work, a study on the effect of acoustic waves in PSFBGs is presented. The results are supported by theoretical simulation and experimental work. The technique can be used for different applications, such as in a fast tunable optical notch filter.