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Acousto-optic superlattice modulator using Fibre Bragg grating

Liu, W.F., Russell, P.St.J. and Dong, L. (1997) Acousto-optic superlattice modulator using Fibre Bragg grating Optics Letters, 22, (19), pp. 1515-1517. (doi:10.1364/OL.22.001515).

Record type: Article


A modulator is reported in which an extensional acoustic wave is launched along a fiber Bragg grating. The acousto-optic superlattice effect causes an enhancement in reflectivity within a narrow spectral region on both sides of the Bragg wavelength. For a fixed acoustic propagation direction, the Doppler shift can be either positive or negative, depending on whether the wavelength of the incident light lies above or below the Bragg condition. The device can function as a Bragg cell and a tunable filter.

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Published date: 1997


Local EPrints ID: 77967
ISSN: 0146-9592
PURE UUID: 3c6e00f0-586b-4ce2-a4a3-805929851261

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:28

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Author: W.F. Liu
Author: P.St.J. Russell
Author: L. Dong

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