Fiber Bragg gratings can be used for making all fiber demultiplexers. AWG Demultiplexer.osd (see Figure 1) shows an Array waveguide grating (AWG) demultiplexer.
Figure 1 AWG Demultiplexer
The OSA at the AWG output shows the selected WDM channel. For the first channel, the results are shown in Figure 2.
Figure 2 AWG OSA Input
The AWG transmission is shown in Figure 3.
Figure 3 AWG transmission