A novel optical add-drop multiplexer based on an arrayed-waveguide wavelength multiplexer is proposed. The foldback configuration is employed to avoid the bit error rate degradation caused by the light crosstalk common in arrayed-waveguide multiplexers. Penalty free transmission is demonstrated.
Inspec keywords: wavelength division multiplexing; diffraction gratings; multiplexing equipment; optical crosstalk; optical fibre communication
Other keywords:
Subjects: Communication switching; Switching centres and equipment; Optical communication
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