All-optical OFDM demultiplexing with optical partial Fourier transform and coherent sampling

Zihan Geng; Deming Kong; Bill Corcoran; Pengyu Guan; Francesco da Ros; Edson Porto da Silva; Leif Katsuo Oxenløwe; Arthur James Lowery

doi:10.1364/OL.44.000443

All-optical OFDM demultiplexing with optical partial Fourier transform and coherent sampling

Zihan Geng, Deming Kong^*, Bill Corcoran, Pengyu Guan, Francesco da Ros, Edson Porto da Silva, Leif Katsuo Oxenløwe, Arthur James Lowery

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

Abstract

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 × 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.

Original language	English
Pages (from-to)	443-446
Number of pages	4
Journal	Optics Letters
Volume	44
Issue number	2
DOIs	https://doi.org/10.1364/OL.44.000443
Publication status	Published - 15 Jan 2019
Externally published	Yes

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Geng, Z., Kong, D., Corcoran, B., Guan, P., da Ros, F., da Silva, E. P., Oxenløwe, L. K., & Lowery, A. J. (2019). All-optical OFDM demultiplexing with optical partial Fourier transform and coherent sampling. Optics Letters, 44(2), 443-446. https://doi.org/10.1364/OL.44.000443

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abstract = "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 × 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.",

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AU - da Ros, Francesco

AU - da Silva, Edson Porto

AU - Oxenløwe, Leif Katsuo

AU - Lowery, Arthur James

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AB - 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 × 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.

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All-optical OFDM demultiplexing with optical partial Fourier transform and coherent sampling

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