High Channel Isolation Using Two FBG Filter Connected Back to Back for HDWDM System

High Channel Isolation Using Two FBG Filter Connected Back to Back for HDWDM System

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Wavelength division multiplexing (WDM) is a new technology for migrating the core optical transmission network to higher bandwidths. The ability to transfer multiple optical carriers over the same span of fiber promises almost unlimited bandwidth. The multiplexer (mux)/combiner couples together different wavelengths then combines them for transmission into a single mode fiber maintaining the wavelength integrity of each optical carrier. The receive side employs a demultiplexer (demux) or splitter to distribute the optical signal to the wavelength selectors. These devices define the optical ban...