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We propose a novel general-chirp-sequence based orthogonal circulant multiplexing (OCM) that can whiten both noise and ISI across the subcarriers, and demonstrate in 117.8-Gbit/s IM/DD experiments with 10-GHz-class devices that the proposed scheme outperforms conventional OFDM, DFT-spread OFDM, OCDM and CLPS-based OCM.
© 2022 The Author(s)
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