Abstract
Fiber Bragg grating (FBG) technology is being rapidly developed because it supplies essential filter devices for both telecommunication and sensor applications. Multichannel FBG’s are especially attractive for wavelength-division multiplexing (WDM) systems because of their comb filter response, 1,2,3 thus they are applied to many devices such as multichannel multiplexers-demultiplexers, 4 multichannel dispersion compensator5 and so on.As the capacity of WDM systems increases, multichannel FBG’s used in the dense WDM (DWDM) systems have to be broader and more densely spaced.
© 2002 Optical Society of America
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