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An experimental optical WDM ring network is proposed. It uses a proper add/drop multiplexer based on a fibre grating filter. Both-way transmission using a wavelength reuse scheme is successfully demonstrated without any crosstalk.
Inspec keywords: wavelength division multiplexing; optical filters; diffraction gratings; optical fibre networks; multiplexing equipment; synchronous digital hierarchy
Other keywords:
Subjects: Photonic switching systems; Optical communication; Optical coatings and filters