Integrated-optic eight-channel OFDM demultiplexer and its demonstration with 160 Gbit/s signal reception
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An integrated-optic demultiplexer is realised for use with 8 × 10 Gbaud orthogonal frequency division multiplexed subcarrier channels. The device is composed of an 8 × 8 optical fast Fourier transform circuit and an array of optical gates, and is used to demultiplex a 160 Gbit/s polarisation multiplexed signal in the optical domain.
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