40Gbit/s high performance filtering for DWDM networks employing dispersion-free fibre Bragg gratings

摘要

Near penalty-free filtering with high bandwidth utilisation at 40Gbit/s is demonstrated for the first time using fibre Bragg gratings. When tested in a typical add-drop configuration a 100GHz dispersion-free Bragg grating show Q-penalty variations of less than 1.0dBQ over most of the 1dB reflection-bandwidth confirming its superior performance.