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We verified the insertion effect of a cyclic prefix (CP) in an all-optical fractional orthogonal frequency division multiplexing (FrOFDM) system. CP is an essential technique for reducing inter-channel interference in conventional OFDM. Because a FrOFDM signal is generated by a fractional Fourier transform, which is a generalization of the Fourier transform, a CP is also effective for a FrOFDM signal...
We experimentally demonstrate the feasibility of implementing a cost effective all-optical fractional orthogonal frequency division multiplexing (AO-FrOFDM) receiver using an arrayed waveguide grating (AWG). The all-optical fractional Fourier transform at the receiver is implemented by modifying the second slab coupler from a conventional all-optical discrete Fourier transform AWG. The open eye diagrams...
We experimentally demonstrate a cost effective fractional OFDM receiver using an arrayed waveguide grating. The eye diagrams of the demodulated 12×10 Gbit/s DBPSK fractional OFDM signals are clearly open.
We have proposed a Fr-OFDM based serial-to-parallel conversion scheme and experimentally verified the preliminary operation using a 10 GHz serial signal. The experimental results show that a serial data is successfully received in parallel.
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