Journal
OPTICS LETTERS
Volume 44, Issue 2, Pages 443-446Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.44.000443
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Funding
- Australian Research Council (ARC) [CE110001018]
- ARC Laureate Fellowship [FL130100041]
- National Natural Science Foundation of China (NSFC) [61505011]
- Villum Fonden [19158]
- H2020 European Research Council (ERC) [771878]
- Danmarks Grundforskningsfond (DNRF) [DNRF123]
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We propose a novel scheme with a time-lens-based partial optical Fourier transform (OFT) and coherent sampling for high-speed complex orthogonal frequency-division multiplexing (OFDM) signal detection. Compared with all-optical OFDM demultiplexing with a matched optical filter, our proposed method replaces specialized optical filters with commercially available equipment, which relaxes stringent manufacturing and operational requirements. Our simulation shows that even with a partial OFT, theoretically, close to inter-channel interference-free performance is possible. In addition, we performed a proof-of-concept experiment of 16 x 10 Gbaud quadrature phase-shift keying (QPSK) all-optical OFDM detection, with all the bit error rates far below the 7% hard-overhead forward error correction limit. (C) 2019 Optical Society of America
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