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Crosstalk Improvement of Array Waveguide Grating Based on Different Channels (64) Spacing

Salah Elrofai and AbdeenAbdelkareem

This paperintroducedthe cascading configurations of thelarge scale AWGs filters in the multiplexer/demultiplexerbased on different channels spacing designs under usages of the power full software named WDM_ Phasar simulation. The cascade connectionimproved its capability in solving the accumulated crosstalk problemin AWGwhich it becomes the major limiting factor in the sensitivity of the array in long distance DWDM optical communication link.Acceptableresults are obtained of AWGs filters with cascaded connectionafterusing differentchannels spacing designs of 64 channels (0.708nm, 0.925nm, and 1.233nm). First computed the most significant results of all input information and thenrunning the simulation resulted in the graphical displays of the output power from which the corresponding channels crosstalk are obtained.