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Optical Engineering

Switchable narrow-bandwidth comb filters based on an acousto-optic superlattice modulator in sinc-sampled fiber gratings
Author(s): Wen-Fung Liu; Po-Jen Tu
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Paper Abstract

We report the acousto-optic induced multiband reflection in sinc-sampled fiber gratings, in which the induced-wavelength-channels at both sides of each existing channel can be switched by applying an acoustic wave propagating along the fiber. This novel comb filter can redirect a large number of wavelength channels at the same time in a wavelength division multiplexing (WDM) system and will offer a new functionality in the evolution of the current WDM network toward a more complex future system with automated routing functions.

Paper Details

Date Published: 1 August 2001
PDF: 3 pages
Opt. Eng. 40(8) doi: 10.1117/1.1386370
Published in: Optical Engineering Volume 40, Issue 8
Show Author Affiliations
Wen-Fung Liu, Chung Cheng Institute of Technology (Taiwan)
Po-Jen Tu, Chung Cheng Inst. of Technology (Taiwan)

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